|Publication number||US5701044 A|
|Application number||US 08/599,385|
|Publication date||Dec 23, 1997|
|Filing date||Feb 9, 1996|
|Priority date||Aug 9, 1993|
|Also published as||DE4326680C1, EP0713580A1, EP0713580B1, WO1995004936A1|
|Publication number||08599385, 599385, US 5701044 A, US 5701044A, US-A-5701044, US5701044 A, US5701044A|
|Inventors||Horst-Werner Emshoff, Lutz Intichar, Hermann Scheil|
|Original Assignee||Siemens Aktiengesellschaft|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (9), Referenced by (30), Classifications (16), Legal Events (4)|
|External Links: USPTO, USPTO Assignment, Espacenet|
This application is a Continuation of International Application PCT/DE94/00863, filed Jul. 26, 1994.
The invention relates to a process for monitoring the temperature of an electric generator, in which the temperatures of a plurality of winding rods of a stator winding of the generator being cooled by a coolant, preferably a stator winding being cooled by water, are detected.
The invention also relates to a device for monitoring the temperature of an electric generator, having a stator winding being cooled with a coolant, preferably a stator winding being cooled by water, and having a plurality of winding rods, including a first component for detecting and processing a measured temperature value for each winding rod.
One such process and one such device are known from German Published, Non-Prosecuted Patent Application DE 35 35 550 A1, corresponding to U.S. Pat. No. 4,733,225 as well as
Published European Patent Application 0 192 373 A3, corresponding to U.S. Pat. No. 4,602,872.
In individual hollow conductors of winding rods of water-cooled generator windings, in which water flows though the conductors, partial conductor breakages or plugging up of partial conductors can occur. The consequence is severe local heating (hot-point temperature) that threatens insulation. Since no statement about individual courses in winding rods can be made from a simple measurement of the total water heating, a temperature sensor must be disposed on the warm-water side of each winding rod. However, even a rise in the water heating of an individual winding rod caused by a flow disruption, in which the initial volumetric flow becomes less and thus the heating becomes greater, is still slight in comparison with the change in a local heating. For instance, plugging up of 10% of the number of hollow conductors in a winding rod can cause only a slight rise in water heating of from 3 to 4K, although if the stopped-up hollow conductors are unfavorably located, for instance if a plurality of hollow conductors located directly next to one another are stopped up, the allowable heating of the insulation will already be locally exceeded.
While an allowable temperature band is defined in the monitoring system known from German Published, Non-Prosecuted Patent Application DE 35 35 550 A1, corresponding to U.S. Pat. No. 4,733,225, by the fact that a maximum allowable temperature value and a minimum allowable temperature value are each defined by a second degree polynomial, in the monitoring system known from Published European Patent Application 0 192 373 A3, corresponding to U.S. Pat. No. 4,602,872, a standardized averaged temperature and a correction influencing variable for each winding rod, are initially ascertained from a reference measurement. In a current or present monitoring, even a slight rise in temperature of an individual winding rod then leads to a relatively major deviation from a currently or presently ascertained average temperature which is referred to the standardized average temperature. However, in that monitoring system, operationally dictated influencing variables that influence the coolant temperature are taken into account solely in the reference measurement.
It is accordingly an object of the invention to provide a process and a device for monitoring the temperature of an electric generator, which overcome the hereinafore-mentioned disadvantages of the heretofore-known processes and devices of this general type and which take operation-dictated influencing variables into account in an especially simple manner.
With the foregoing and other objects in view there is provided, in accordance with the invention, a process for monitoring the temperature of an electric generator, which comprises detecting temperatures of a plurality of winding rods of a stator winding of a generator being cooled by a coolant, preferably a water-cooled stator winding; ascertaining a temperature deviation for each winding rod by comparing a measured actual value of the temperature of the winding rod with a reference value for the winding rod; forming the reference value from characteristic variables ascertained previously for the winding rod from a reference measurement and from currently detected operation-relevant parameters of the generator; ascertaining the characteristic variables for each winding rod from a temperature of the winding rod detected in the reference measurement and from a number of functions being identical to a number of characteristic variables, the functions being dependent on the operation-relevant parameters and operation-relevant parameters detected at different operating states of the generator being evaluated therefor in the reference measurement; and both the currently detected operation-relevant parameters and the operation-relevant parameters detected in the reference measurement each including a stator current of the generator as well as at least one of the following parameters: a terminal voltage of the generator, a reactive output, a temperature of the coolant before and after passage through the winding rods, and a temperature of a generator coolant, especially hydrogen, contained in the generator.
The invention is based on the recognition that the coolant temperature or the coolant heating and thus the heating of the winding rods depend not only on flow disruptions in individual winding rods but also on operation-relevant parameters of the generator. The operation-relevant parameters are those physical variables (influencing variables) that influence the heating of the winding rods, such as the generator voltage, the generator current, and/or the reactive power output.
The functions of each parameter are determined from a number of load points, preferably more than three different load points, to which the generator is driven or adjusted for the reference measurement. The characteristic variables are suitably the coefficients of a polynomial formed for each winding rod, having functions which represent the course of the operation-relevant parameters as a function of the load or of operating states of the generator. The operation-dictated influencing variables are thus taken into account through the use of the functions.
In accordance with another mode of the invention, in a current or present monitoring, the reference value for each winding rod is suitably likewise calculated from a polynomial formed for that winding rod. The polynomial is formed from function values of the parameters being presently or currently detected for an arbitrary operating state, and the characteristic variables derived from the reference measurement are used as coefficients.
In accordance with a further mode of the invention, as further operation-relevant parameters, which are detected both in the reference measurement and currently or presently, it is expedient to detect, in addition to the stator current or stator currents of the generator, the terminal voltage of the generator, the reactive power (reactive power output of the generator), the temperature of the coolant before and after passage through the winding rods, and the temperature of a coolant, such as hydrogen, contained in the generator, and one or more of the following variables are also detected: the coolant volumetric flow or the difference between the pressure of the coolant before and the pressure of the coolant after passage through the winding rods. Detecting the plurality of measured temperature values of the winding rods both in the reference measurement and in a present or current monitoring requires a not inconsiderable period of measurement time. For instance, up to 216 measured temperature values must be detected for a corresponding number of winding rods. Within this period of measurement time, the generator should be in a state of so-called thermal persistence, in which the operation-relevant parameters or influencing variables must remain virtually constant and can be allowed to fluctuate only within a predeterminable tolerance range. The operation-relevant parameters used to form the reference values are therefore preferably measured periodically within an adjustable measurement cycle in a present or current operating state. Each measured value of a parameter is compared with the value of a previous period of the measuring cycle, in order to ascertain any deviation. A thermal persistence is attained whenever at the end of the measuring cycle, for each parameter, no deviations or deviations located only within the tolerance range are found between the measured values of this parameter.
With the objects of the invention in view, there is also provided a device for monitoring the temperature of an electric generator having a stator winding being cooled with a coolant, preferably with water, and having a plurality of winding rods, comprising a first component for detecting and processing a measured temperature value for each of a plurality of winding rods of an electric generator; a data bus; and a second component being connected through the data bus to the first component for ascertaining a temperature deviation of a measured rod-specific actual value of a rod-specific reference value for each winding rod, the second component having a first computer unit for calculating characteristic variables formed from a reference measurement and a second computer unit for calculating the rod-specific reference values from the characteristic variables and from currently detected operation-relevant parameters; the first component detecting a stator current and at least one of the following parameters as current operation-relevant parameters: a terminal voltage of the generator, a reactive output, a temperature of the coolant before and after passage through the winding rods, and a temperature of a generator coolant, preferably hydrogen, contained in the generator.
In accordance with a concomitant feature of the invention, the second component includes a memory for storing the rod-specific characteristic variables.
The advantages attained with the invention are in particular that a precise and at least virtually continuous monitoring of the temperature of the winding rods of the generator is possible through the use of an evaluation process with the aid of polynomials, taking operation-relevant parameters or operation-dictated influencing variables into account.
Other features which are considered as characteristic for the invention are set forth in the appended claims.
Although the invention is illustrated and described herein as embodied in a process and a device for monitoring the temperature of an electric generator, it is nevertheless not intended to be limited to the details shown, since various modifications and structural changes may be made therein without departing from the spirit of the invention and within the scope and range of equivalents of the claims.
The construction and method of operation of the invention, however, together with additional objects and advantages thereof will be best understood from the following description of specific embodiments when read in connection with the accompanying drawing.
The FIGURE of the drawing is a function diagram with components provided for performing a monitoring process according to an exemplary embodiment of the invention.
Referring now to the single FIGURE of the drawing in detail, there is seen a diagrammatic, longitudinal-sectional view of a generator 2 to be monitored that includes a rotor 6 on a shaft 8 and a stator winding 10, all of which are disposed in a generator housing 4. Winding bars or rods Si of the water-cooled stator winding 10, only some of which have been singled out to be shown in the drawing, are connected electrically in series in order to form the stator winding 10. Coolant KW flows through each winding rod Si, that is through a number of non-illustrated partial conductors of each winding rod Si. To that end, the winding rods Si communicate on the inflow side through insulating plastic hoses 12 with a common ring line 14, into which cold coolant KWk flows. Coolant KWW that is warmed in the winding rods Si is collected on the outflow side in a further ring line 16, which likewise communicates with the individual winding rods Si through plastic hoses 18. The warm coolant KWw is returned to a coolant loop 20 which is represented by arrows, and is recooled there in a non-illustrated manner.
A temperature Ti of each winding rod Si is detected on the outflow side. To that end, the temperature Ti of the warmed coolant water KWw flowing out of the respective winding rod Si is measured through the use of a number of temperature sensors 21 corresponding to the number of winding rods Si, only one of which sensors is schematically shown for the sake of simplicity. Thermocouples or resistance thermometers are provided as the temperature sensors 21 for up to 216 winding rods Si that are present. Measured temperatures Ti =T1, . . . , Tn of the n winding rods Si are supplied to a measurement value detecting and processing component 22. The component 22 is supplied with further measured values in the form of a temperature TWk of the cold coolant KWk which is measured on the inflow side of the winding rods Si through the use of a temperature sensor 24; a temperature TWw which is measured through the use of a temperature sensor 26 for the warmed coolant KWw flowing out of all of the winding rods Si to the ring line 16; pressures Pk and Pw which are measured through the use of pressure sensors 28, 30 for the cold coolant KWk on the inflow side and the warmed coolant KWw on the outflow side of the respective winding rods Si ; and temperatures TGk and TGw which are measured at various points inside the generator housing 4 by temperature sensors 32 measuring an additional coolant gas, such as hydrogen, that cools the generator 2. The temperatures TGk and TGw are the respective temperatures of the cool and the warmed coolant gas.
The component 22 is also supplied with further measurement signals or measured values in the form of values of three stator phase currents Iu, Iv and Iw, a generator terminal voltage U, and a reactive power Q, which are filtered through isolation amplifiers 34 out of existing non-illustrated measurement circuits that communicate with connection terminals 36 of the stator winding 10. These measured values Iu, Iv, Iw, U, Q, the temperatures TWk, TWw and the pressure pk, pw of the coolant KW and the temperatures TGk, TGw of the coolant gas form m operation-relevant parameters Pj =P1, . . . , Pm.
The component 22 serves to monitor the limit value or control plausibility and also serves the purpose of analog/digital conversion of the measured values of the rod temperatures Ti and the parameters Pj. It also serves to build up data telegrams and to form signals for warnings and malfunctions.
The component 22 communicates through a data bus 38 with a further component 40 for monitoring the temperatures Ti of the winding rods Si. This further component includes a first computer unit 42 for calculating rod-specific characteristic variables Kij. These variables are derived from a reference measurement for each of the I=1, . . . , n winding rods Si through the use of a polynomial of the form ##EQU1## In the polynomial, TiR is the temperature, which is detected upon the measurement, of the ith winding rod Si, and fj (P*j) is m functions of the j=1, . . . , m operation-relevant parameters P*j. The functions fj of the influencing variables or parameters Pj are derived from empirical values and defined on the basis of technical relationships, where m=6 functions, for instance, f1 =1, f2 =I2, f3 =I2 ·TWw, f4 =U2, f5 =TWk -TGk, and f6 =Q. The positions of the functions fj in the polynomial can also be transposed, such as if a technical relationship can be made more precise by stating that f2 =U2 and f4 =I2. In the factor a, the volumetric flow V of the coolant KW or the differential pressure Δp=pw -pk of the coolant KW, standardized to the highest operating pressure, through the stator winding 10, respectively, is taken into account, for which a=(1/V)b and a=(Δpstandardized /Δpc), respectively. In these equations, b31 <2- and c<3, for instance b=c=1/2. The polynomial for the ith winding rod Si is thus proportional to the temperature TiR detected for this rod in the reference measurement. In other words, ##EQU2## In the reference measurement, the function courses of the individual operation-relevant parameters P*j for different operating or load states are picked up from the "healthy generator". In other words, this is done on the understanding that a malfunction-free or error-free operation of the generator, such as prior to its being placed into service, prevails. The ascertainment of the function courses in carried out in a computer unit 44. The coefficients Kij of the polynomial, which represent the respective m characteristic variables of the n winding rods Si and are ascertained in the computer unit 42 from these functions fj (P*j) and from the temperatures TiR of the winding rods Si, are stored in a memory 46. The characteristic variables kij and their relative magnitudes RG are illustrated in a bar diagram 48.
In a present or current monitoring, for an arbitrary operating state of the generator 2, the operation-relevant parameters Pj are first measured within an adjustable measurement cycle, for instance within a period of from 3 to 15 minutes. The length of the period of time depends substantially on the time constants of the temperature sensors 21. If these measured values of the parameters Pj are constant within this measurement cycle, or are within a predeterminable tolerance range, then the generator 2 has reached a status of thermal persistence. In the case of each parameter Pj, the periodically written-in measured values are compared with those of a previous period of the measurement cycle. If no deviation is found or if the deviations are within the tolerance range, thermal persistence exists. At the end of the measurement cycle, the temperatures Ti of the n winding rods Si are written in. After the writing in of the temperature Ti, the measured values of the parameters Pj are memorized once again and checked. If the measurement values of the parameters Pj continue to be constant, then they are made the basis of a so-called static assessment. Conversely, if deviations are found in one or more of the operation-relevant parameters Pj, then the most recently detected measured values can be made the basis of a so-called dynamic assessment. Both in the static assessment and the dynamic assessment, the corresponding function values fj (Pj) are formed from the measured values of the present parameters Pj in the computer unit 44. In a further computer unit 50, a reference value TiRS is ascertained from these function values fj (Pj) for each winding rod Si. To that end, the reference value TiRS of the ith winding rod Si is calculated from a polynomial of the following form ##EQU3## in which the function values fj (Pj) of the presently ascertained parameters Pj and the coefficients kij ascertained from the reference measurement are used from the memory 46. The reference value TiRS of the ith winding rod Si is thus proportional to the polynomial formed from the coefficients kij stored in memory and from an arbitrary data set of function values fj (Pj).
In order to ascertain a temperature deviation ΔTi, the reference value TiRS of the ith winding rod Si ascertained in the computer unit 50 is compared in a comparison stage 52 with the presently measured real or actual value of the temperature TiM of the ith winding rod Si. If the measured real or actual value TiM deviates from the reference value TiRS, and if this deviation ΔTi is outside a predeterminable tolerance range, then a report or a signal S is generated, which is output to a control panel in a non-illustrated manner. A change in warming Δ(ΔTi) of the corresponding winding rod Si can also be ascertained from a change over time of a temperature deviation ΔTi or from a deviation compared with a prior value ΔTi.
Through the use of this process, in which monitoring of the temperature of each winding rod Si is carried out while taking the operation-relevant parameters Pj or operation-dictated influencing variables into account, conclusions can be drawn for each winding rod Si about the cause of the deviation or change, from an ascertained temperature deviation ΔTi or a change in warming Δ(ΔTi).
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|US6367311||Sep 30, 1999||Apr 9, 2002||Trilok C. Garg||Method for testing a water-cooled stator of a generator for leaks, and test skid for use in the method|
|US6737767 *||Apr 5, 2001||May 18, 2004||Abb Ab||Synchronous compensation|
|US6825580 *||Feb 7, 2001||Nov 30, 2004||Mirae Corporation||Apparatus and method for controlling cooling of gantry having linear motor|
|US6909989||Feb 24, 2003||Jun 21, 2005||Siemens Westinghouse Power Corporation||Method and system for establishing operational stability prior to determining temperature correction factors for a generator|
|US6959585 *||Nov 14, 2001||Nov 1, 2005||Environment One Corporation||Skids, modules, and modular system for monitoring hydrogen-cooled generators|
|US6962435 *||Dec 14, 2001||Nov 8, 2005||Abb Technology Ltd.||Condition diagnosing|
|US6995544 *||Nov 7, 2003||Feb 7, 2006||Mitsubishi Denki Kabushiki Kaisha||Generator control apparatus|
|US7121718 *||Apr 27, 2005||Oct 17, 2006||Sensoplan Aktiengesellschaft||Method and device for detecting defects in sheet metal segments of electric generators and motors|
|US7448252||Sep 28, 2005||Nov 11, 2008||Environment One Corporation||Skids, modules, and modular system for monitoring hydrogen-cooled generators|
|US7755230||Jul 13, 2010||Hitachi, Ltd.||Rotary electric machine having cooling device and electric generating system including the machine|
|US7944077 *||Mar 23, 2009||May 17, 2011||Amsc Windtec Gmbh||Generator, nacelle, and mounting method of a nacelle of a wind energy converter|
|US8080887 *||Dec 20, 2011||Brad Radl||Closed loop control of hydrogen cooling of an electric power generator|
|US8129873 *||Apr 5, 2010||Mar 6, 2012||General Electronic Company||Stator coil coolant flow reduction monitoring|
|US20030090164 *||Nov 14, 2001||May 15, 2003||Environment One Corporation||Skids, modules, and modular system for monitoring hydrogen-cooled generators|
|US20030146731 *||Apr 5, 2001||Aug 7, 2003||Bertil Berggren||Synchronous compensation|
|US20040057491 *||Dec 14, 2001||Mar 25, 2004||Bengt-Olof Stenestam||Condition diagnosing|
|US20040167746 *||Feb 24, 2003||Aug 26, 2004||Siemens Westinghouse Power Corporation||Method and system for establishing operational stability prior to determining temperature correction factors for a generator|
|US20040239295 *||Nov 7, 2003||Dec 2, 2004||Mitsubishi Denki Kabushiki Kaisha||Generator control apparatus|
|US20050243891 *||Apr 27, 2005||Nov 3, 2005||Sensoplan Aktiengesellschaft||Method and Device for Detecting Defects in Sheet Metal Segments of Electric Generators and Motors|
|US20060156793 *||Sep 28, 2005||Jul 20, 2006||Brosnihan Ronald F||Skids, modules, and modular system for monitoring hydrogen-cooled generators|
|US20090195091 *||Feb 6, 2008||Aug 6, 2009||Akihito Nakahara||Rotary Electric Machine Having Cooling Device and Electric Generating System Including the Machine|
|US20090254308 *||Oct 24, 2006||Oct 8, 2009||Christoph Lehmann||Method for Automatic Monitoring of Generator Operation|
|US20100071889 *||Sep 19, 2008||Mar 25, 2010||Brad Radl||Closed loop control of hydrogen cooling of an electric power generator|
|US20100127503 *||Mar 23, 2009||May 27, 2010||Amsc Windtec Gmbh||Generator, nacelle, and mounting method of a nacelle of a wind energy converter|
|CN101300726B||Oct 24, 2006||May 14, 2014||西门子公司||Method for automatically monitoring generator operation|
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|CN102012483B||Oct 15, 2010||Nov 21, 2012||上海科泰电源股份有限公司||Test cabin for extreme high and low-temperature environments|
|CN102590747A *||Mar 2, 2012||Jul 18, 2012||北京理工大学||Test system of temperature rise of motor winding and test method of the test system|
|EP1780885A1 *||Oct 31, 2005||May 2, 2007||Siemens Aktiengesellschaft||Method for automatically monitoring a generator operation|
|EP2372882A1 *||Apr 4, 2011||Oct 5, 2011||General Electric Company||Stator coil coolant flow reduction monitoring|
|U.S. Classification||310/54, 374/152, 310/68.00C, 374/E01.005, 310/53, 702/130|
|International Classification||G01R31/34, H02P9/00, H02H7/06, H02K9/24, G01K1/02, H02K11/00|
|Cooperative Classification||G01K1/026, G01R31/343|
|European Classification||G01R31/34B, G01K1/02D|
|Jul 25, 1997||AS||Assignment|
Owner name: SIEMENS AKTIENGESELLSCHAFT, GERMANY
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:EMSHOFF, HORST-WERNER;INTICHAR, LUTZ;SCHEIL, HERMANN;REEL/FRAME:008626/0160
Effective date: 19960216
|May 18, 2001||FPAY||Fee payment|
Year of fee payment: 4
|May 12, 2005||FPAY||Fee payment|
Year of fee payment: 8
|May 7, 2009||FPAY||Fee payment|
Year of fee payment: 12


24 GHz six-port medical radar for contactless respiration detection and heartbeat monitoring
For numerous medical applications it is of primary interest to monitor the breath rate and heartbeat of a patient over time. Especially important is to observe the respiration of a patient over night to detect potential sleep disorders. Furthermore, heartbeat frequency is also a precious information which can help to improve diverse diagnosis procedures. In order to better analyze these vital parameters an innovative contactless respiration detection and heartbeat monitoring technique has been developed. This novel method is based on the six-port interferometric radar and is capable of detecting breath rate as well as heartbeat frequency without applying sensors or electrodes on the patients body.


Kingston Creates 2400 MHz DDR3 Memory Kit, Certified by Intel
Kingston Technology Company, Inc., the independent world leader in memory products, today announced it has developed the fastest Intel-certified memory in the world. Running at 2400MHz, Kingston's HyperX dual-channel DDR3 memory kit (Kingston part#: KHX2400C9D3T1K2/4GX) gained Intel XMP certification on the Core i7 platform. Intel's certification is posted here.
The 2400MHz kit runs at 9-11-9-27-2 timings at 1.65 volts and was developed for enthusiasts, gamers, and benchmarkers looking to scale new memory heights. As with all Kingston memory, the 2400MHz kit was created with the highest design-engineering principles and subjected to OEM-quality production and testing standards to gain Intel XMP certification. The memory was tested to great success on several P55-based systems including the GIGABYTE GA-P55A-UD4P motherboard.
The 2400MHz kits will be available in Q2. Kingston HyperX memory is backed by a lifetime warranty and free 24/7 technical support.
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ExpoImaging has released three new Rogue Lighting Kits for “strobists,” or small flash enthusiasts. The Rogue Starter Lighting Kit ($99.95, pictured) is an entry-level bundle consisting of light modifiers designed to improve the quality and variety of lighting choices available to photographers using speedlights on- or off-camera. The Rogue Portrait Lighting Kit ($149.95) is a larger collection of light modifiers providing greater light control for portrait and event photographers shooting with multiple speedlights. Finally, the Rogue Master Lighting Kit ($199.95) is for the most advanced speedlight photographers looking to create multiple lighting set-ups using combinations of the kit’s soft box, bounce flash reflectors, flags, honeycomb grids and coloured gel kits
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Discover a wide range of digital cameras at low prices. Buy cheap cameras from Sony and Canon. Share your photos thanks to digital photo frames.
Varnam offers digital photo frame with built-in memory & battery.
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Wire trailer connector wiring diagram plug way vienoulasfo
Insulated cables are rated by their allowable operating voltage and their maximum operating temperature at the conductor surface. A cable may carry multiple usage ratings for applications, for example, one rating for dry installations and another when exposed to moisture or oil.
In a typical electrical code, some colour-coding of wires is mandatory. Many local rules and exceptions exist per country, state or region. Older installations vary in colour codes, and colours may fade with insulation exposure to heat, light and ageing.
In European countries, an attempt has been made to harmonise national wiring standards in an IEC standard, IEC 60364 Electrical Installations for Buildings. Hence national standards follow an identical system of sections and chapters. However, this standard is not written in such language that it can readily be adopted as a national wiring code. Neither is it designed for field use by electrical tradesmen and inspectors for testing compliance with national wiring standards. By contrast, national codes, such as the NEC or CSA C22.1, generally exemplify the common objectives of IEC 60364, but provide specific rules in a form that allows for guidance of those installing and inspecting electrical systems.
In Germany, DKE (the German Commission for Electrical, Electronic and Information Technologies of DIN and VDE) is the organisation responsible for the promulgation of electrical standards and safety specifications. DIN VDE 0100 is the German wiring regulations document harmonised with IEC 60364.
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Wire trailerug wiring diagram diagrams round standard ripping blade connector


Programmable SOC devices can be used in E-Bike applications as a single-board system for motor control, analog measurement, and direct drive LCD display. Programmable SOCs can also support capacitive sensing technology to replace mechanical buttons on the keypad. In addition, SOC devices use internal PWM, MUX, and comparators for driving and controlling the three-phase motor, internal ADC and PGA for sensor inputs battery monitoring, and temperature sensing using a temperature sensing device like a thermistor or RTD. The device can also directly drive the relays for the brake light, headlight, and directional lights, as well as direct drives the LCD display of temperature, battery status, speed, distance travelled, and any error/warning messages.
Using IDE-based tools, all interface and logic can be designed for the SoC. These tools also have readily available component blocks for designing more complex logic such as monitoring a capacitive sensor for the interface, an ADC for analog sensors and other inputs, driving the PWM for a buzzer, DAC, and a segment, character, or graphical LCD display. Thus, with a programmable SOC, the development and product cost of an E-Bike system can be substantially reduced.
Figure 1 shows the block diagram of a basic E-Bike system
Microcontroller: The microcontroller is typically used for different sensor input detection (i.e., throttle inputs, temperature sensor, battery input, fuel sensor, obstacle sensors), A/D conversion, output comparison components, and driving and controlling the three-phase brushless automotive motor. An ultra-low power microcontroller is required as an E-Bike is a battery-operated system. The microcontroller is also part of the central locking system, and can be used to communicate with different external devices used in the vehicle. Using a microcontroller whenever a brake is pulled automatically stops the motor spinning and prevents the motor from wearing down the brake pads faster than a standard human-powered bike.
Hub motor/Wheel motor: Typically, a brushless motor is used, either sensored (Hall Effect) or sensorless, for reliable and efficient


LCS/AI Lab Timeline
This Web-based timeline is meant to document the history of computing research at MIT, which dates back to the 1940's. It is, at the moment, quite incomplete, and needs help from those interested in rounding out the story. Computer-related research at MIT has been conducted by many different Laboratories and Departments, including the Whirlwind project, the Research Lab of Electronics, the Computer-Aided Design project, Project MAC and its descendants (the Lab for Computer Science and the Artificial Intelligence Lab), the Information Technology program at the Sloan School, and the Media Lab. Indeed, at the turn of the millenium, computing is becoming an important focus of many other engineering departments as well.


How can you do when your camera can not connect to Wi-Fi
Please ensure you re-entere WiFi password correctly and the antenna is tight on your camera, please allow us to show you some tips to check the status of WiFi module. Does it work normally? It had broken?
Please refer to below information to check it.
1. Connect your camera to router via a network cable so that you can setup the camera. Please open Anyscene APP and refer to following picture to learn more about how to jump to Advanced Setting Panel.
2. Tap Advanced Setting Option, and then please choose Network Setup. Please refer to below pictures.
3. Please tap the ‘ WIFI networks’ to take a look at the WiFi SSID. If there is a WiFi listing(SSID), it shows that the WiFi module is working normally. And please choose the one you want to connect, tap it to re-enter the password.
5. Please unplug the network cable and go back to the “Edit camera” page to check whether the wifi has been connected successfully, tap Reconnect to check the Wifi has been connected already. If it shows, connected means the WiFi is ok now . But if it shows connecting or connect failed, it means the WiFi password is not correct, plug in network cable again and go back to retype correct wifi password and try again.
If you find the WiFi module works normally, and you have tried the above steps but found that did not work. this problem may be caused by the router. The router have blocked the wifi connecting actions of camera. For this case, please assign a static IP address for your camera. Refer to below steps.
a. Make sure you know network segment of router. e.g. 192.168.(1).x, This will be useful for you to assign the static IP address.
b. This step requires a computer, open Camera live software (You can find out it on the CD-rom, or Click here to download it) and then login the web application of camera. Please Click here to learn more about how to login it.
c. Refer to below figure to make sure the WiFi has been enabled.
d.To change the TCP/IP Setup, assign a static IP address, save it by clicking Apply.
We have a video to show you how to connect the camera to your wifi router. You can also watch our last section video to get to know how to set up the wifi correctly. Here is our video link for your check.


Mayo Clinic and vMocion announce new VR device using Vivonics' GVS technology
Mayo Clinic and vMocion, LLC, an entertainment technology company, today announced it is making available Mayo Clinic's patented Galvanic Vestibular Stimulation (GVS) technology specifically for use in virtual reality and augmented reality. vMocion's 3v™ Platform (which stands for virtual, vestibular and visual) incorporates this patented GVS technology, which adds a complete sense of three-dimensional movement for the first time into a virtual reality or augmented reality environment. vMocion has been granted the exclusive, global, perpetual license for Mayo Clinic's GVS patents and algorithms within all media and entertainment categories and will offer the 3v Platform to other media and entertainment companies through a licensing agreement.
"This is the first fundamental technological development in entertainment in 100 years since the combination of sound and pictures," says Brad Hillstrom, M.D., chairman of vMocion. "By adding this magical sensation of motion in gaming, movies, amusement parks and other entertainment environments, our 3v Platform is enabling a whole new dimension of motion that creates a truly immersive experience well beyond the current virtual or augmented reality technology offerings."


While traditional vehicle testing and design are time-consuming and expensive, AI models have enabled the automotive industry to simulate specific scenarios. AI for cars makes it possible for automotive engineers to develop models that can simulate realistic driving conditions. These models can also be used to improve vehicle performance. But there are some challenges associated with AI for automotive. Here are some of the common challenges faced by the industry. But how can we make AI for cars a reality? Read on to learn more.
In the insurance industry, AI has many benefits. For example, AI helps insurance agents determine the premiums for drivers based on their driving performance, personal life issues, and other factors. AI is even able to help the insurance industry streamline the claims process. By analyzing customer and driver behavior, AI for automotive companies can provide the best driving environment for consumers. But how does AI for automotive companies help insurance companies? Listed below are some examples.
Automakers are making use of AI technology in ADAS systems. These systems include adaptive cruise control and multiple parking assistance versions. New models will likely incorporate more AI in ADAS systems. Meanwhile, limited driving pilots are being developed by several OEMs. These systems are often referred to as L2+. The problem with the autopilot terminology is that it may cause confusion among consumers. And many crashes have already occurred as a result of autopilots.
AI solutions for automotive also aim to address supply chain optimization, which is a difficult task for any industry. The supply chain in the auto industry is highly complex, influenced by political factors. It’s hard to keep track of inventory and raw materials. Furthermore, low-quality production increases the likelihood of product recalls. With the use of AI for automotive, manufacturers can address many of these problems. The following are some examples of AI applications for automotive.
Automakers are adopting AI to varying degrees. AI for automotive includes predictive maintenance. Predictive maintenance involves the use of predictive algorithms to monitor the health of vehicles. It can help car owners determine when to replace parts and mechanics can address issues as soon as they arise. AI for automotive has many benefits. For example, it can improve the efficiency of maintenance planning and reduce the costs of inspections. In addition, AI solutions for automotive can help manufacturers optimize workflows, which in turn can improve quality and reduce total costs of ownership.
AI for automotive uses advanced technologies to improve the experience of passengers. For example, a new car called Waymo is equipped with AI software that crunches data from its vehicle to predict what objects may be in its path. By combining data from multiple sources, the software can also predict if a vehicle is near a pedestrian or a cyclist, which can potentially be a risk to the driver. AI for automobiles can improve the safety of vehicles and reduce accidents.
AI-driven software creates a baseline of a vehicle’s behavior and learns from feedback. AI-powered hardware can inspect different products, including painted car bodies, machined parts, and textured metal surfaces. A company called Safe Ride offers a complete AI solution for vehicles, offering multi-layer monitoring of vehicle applications. The company also developed a web application that helps secure connected apps, identifying potential anomalies or threats.
AI-powered software for cars will analyze data and identify problems, and will alert the driver when something needs attention. It can analyze different scenarios for potential failures and will also prevent accidents by reading driver behavior and heartbeat. In the end, the AI software will help prevent accidents, improve the safety of vehicles, and make the driving experience more enjoyable. However, we shouldn’t expect driverless cars to happen overnight. But it’s only a matter of time.
AI is an increasingly important technology in the automotive industry. Companies are investing heavily in this technology and are eager to use it in their vehicles. According to Tractica, the market for automotive hardware will grow to $27 billion by 2025. However, the technology is still relatively new, and companies need to educate stakeholders about the benefits of AI before incorporating it into their vehicles. And that’s just the beginning of what’s possible. This is an exciting time to implement AI in vehicles, and the future is here!


Helping clients achieve a resilient cyber defense posture to continue operating their businesses regardless of the cyber threats they face.
Accenture Security Cyber Defense capabilities include:
Prepare your business against the most advanced cyber adversaries and reduce your exposure to threats targeting applications, hardware (OT/IOT) and enterprise assets.
Integrate emerging technologies and define the right cyber threat operations center model to grow with confidence.
Protect and monitor applications through data security and privacy, API security, enterprise application security and secure application development. Read more.
Detect, respond and recover from threats and breaches that could impact business operations.
Support decisions with actionable and relevant threat intelligence to improve security maturity for the long-term, adapting to threats as they evolve.
Combining managed security services, market-leading advanced analytics and intelligent automation, our cyber defense incubation centers help organizations out-innovate attackers every single day.
Industrial process control networks remain vulnerable to cyber-attack, where traditional IT equipment must now integrate reliably and securely with aging field systems while fending off increasingly sophisticated attacks.
The Houston-based Accenture Security Industrial Control Systems (ICS) Cyber Range enables oil and gas companies to test and stage the responses of industrial process controls against sophisticated attacks in a risk-free setting.
In addition, the Cyber Range enables clients to better orchestrate changes to their Operational Technology (OT) environment, including threat response exercises to train their teams to more effectively recognize, mitigate and repel attacks.
Accenture's video shows how leading energy companies can train teams at our innovative Industrial Control Systems (ICS) Cyber Range in Houston. See more.View Transcript
Discover the latest thinking on security, threat intelligence and related careers.
At Accenture Security you’ll collaborate with the brightest minds in cybersecurity. Together we’ll build cyber resilience for the world’s leading organizations.


What is Power factor
Power factor is the ratio of active power which is consumed by the load to apparent power supplied by the generating source. The power factor is a unitless no. which is the cosine angle between actual power consumed to apparent power supplied.
The power factor is an indicator of the amount of power that is used to create actual by the load. power factor closer to 1(one) mean power supplied by the source is mostly consumed by the load. And losses as reactive power is minimum. In this article will see the motor power factor table and Capacitor Rating Chart for Motor.
Power Factor Unit
A power factor is a unitless number. its range is between 0 to 1. As it is the ratio of two powers i.e Active Power (KW) and Apparent Power (KVA), there is no unit.
Power factor of motor formula
PF = P / S
PF = power factor = Cos α
P = √3V I cos α =active (true or real) power (Watts)
S = √3V I= Apparent power (VA, volts amps)
hence, Power factor of motor formula is
Cos α =√3 VI Cos α / √3 VI
From the following diagram, you can easily understand why the power factor is cosine between apparent power and a real power.
What is Reactive Power
Reactive Power can best be described as the quantity of “unused” power that is developed by reactive components in an AC circuit or system.
What is Active Power
The power which is actually consumed or utilized in an AC Circuit is called True power Active power or Real power. It is measured in kilowatt (kW) or MW.
What is Apparent Power
The product of the root mean square (RMS) value of voltage and current is known as Apparent Power. This power is measured in kVA or MVA.
symbolically from the following diagram of the glass of beer, we can easily understand what is active power and what is reactive power.
Benefits of Power Factor Corrections
- Lower electricity bills – avoiding low power factor penalty from the electricity company
- An increased rating of electrical equipment – additional loads can be added without overloading the system
- Improved system operating characteristics by reducing line loss – due to less current
- improved system operating characteristics by gaining voltage – excessive voltage drops are avoided
Motor Power Factor Table
The power factor of the motor varies according to the rating of the motor, speed of the motor, and load applied on the load side of the motor. Power Factor Value of motor for different range of motor rating as follows. Motor Power Factor Table :
|Horsepower||Speed||Power factor||Power factor||Power factor|
|(HP)||(RPM)||If Load =1/2 of full load||If Load =3/4 of full load||If the motor is on Full load|
|0 – 5||1800||0.72||0.82||0.84|
|5 – 20||1800||0.74||0.84||0.86|
|20 – 100||1800||0.79||0.86||0.89|
|100 – 300||1800||0.81||0.88||0.91|
Capacitor Rating Chart for Motor
Recommended sizes of capacitor rating for motor in KVAR units needed for correction of induction motors to approximately 95% power factor. hence following is the Capacitor Rating Chart for Motor :
|Induction Motor Rating||Motor Speed = 3600 RPM||Motor Speed = 1800 RPM||Motor Speed= 1200 RPM|
|Capacitor Rating||Capacitor Rating||Capacitor Rating|
Many a time we required to know the power factor at different load at motor output side. hence, in this article, we have discussed Motor Power Factor Table which give power factor (pf) for different rating size motor and at different load at motor. what rating of capacitor will be proper hence we also provide Capacitor Rating Chart for Motor.
Related article :


The formation of magnetic depletions and flux annihilation due to reconnection in the heliosheath
MetadataShow full item record
Citation (published version)JF Drake, M Swisdak, M Opher, JD Richardson. 2017. "The Formation of Magnetic Depletions and Flux Annihilation Due to Reconnection in the Heliosheath." ASTROPHYSICAL JOURNAL, Volume 837, Issue 2. https://doi.org/10.3847/1538-4357/aa6304
The misalignment of the solar rotation axis and the magnetic axis of the Sun produces a periodic reversal of the Parker spiral magnetic field and the sectored solar wind. The compression of the sectors is expected to lead to reconnection in the heliosheath (HS). We present particle-in-cell simulations of the sectored HS that reflect the plasma environment along the Voyager 1 and 2 trajectories, specifically including unequal positive and negative azimuthal magnetic flux as seen in the Voyager data. Reconnection proceeds on individual current sheets until islands on adjacent current layers merge. At late time, bands of the dominant flux survive, separated by bands of deep magnetic field depletion. The ambient plasma pressure supports the strong magnetic pressure variation so that pressure is anticorrelated with magnetic field strength. There is little variation in the magnetic field direction across the boundaries of the magnetic depressions. At irregular intervals within the magnetic depressions are long-lived pairs of magnetic islands where the magnetic field direction reverses so that spacecraft data would reveal sharp magnetic field depressions with only occasional crossings with jumps in magnetic field direction. This is typical of the magnetic field data from the Voyager spacecraft. Voyager 2 data reveal that fluctuations in the density and magnetic field strength are anticorrelated in the sector zone, as expected from reconnection, but not in unipolar regions. The consequence of the annihilation of subdominant flux is a sharp reduction in the number of sectors and a loss in magnetic flux, as documented from the Voyager 1 magnetic field and flow data.


- eBook:Artificial Neural Networks with Java: Tools for Building Neural Network Applications
- Author:Igor Livshin
- Edition:1st ed. edition
- Data:June 13, 2019
- Pages:566 pages
The next big topic discussed in the book is using Java for neural network processing. You will use the Encog Java framework and discover how to do rapid development with Encog, allowing you to create large-scale neural network applications.
The book also discusses the inability of neural networks to approximate complex non-continuous functions, and it introduces the micro-batch method that solves this issue. The step-by-step approach includes plenty of examples, diagrams, and screen shots to help you grasp the concepts quickly and easily.
What You Will Learn
- Prepare your data for many different tasks
- Carry out some unusual neural network tasks
- Create neural network to process non-continuous functions
- Select and improve the development model
Intermediate machine learning and deep learning developers who are interested in switching to Java.
Chapter 2: Internal Mechanics of Neural Network Processing
Chapter 3: Manual Neural Network Processing
Chapter 4: Configuring Your Development Environment
Chapter 5: Neural Network Development Using the Java Encog Framework
Chapter 6: Neural Network Prediction Outside the Training Range
Chapter 7: Processing Complex Periodic Functions
Chapter 8: Approximating Noncontinuous Functions
Chapter 9: Approximating Continuous Functions with Complex Topology
Chapter 10: Using Neural Networks to Classify Objects
Chapter 11: The Importance of Selecting the Correct Model
Chapter 12: Approximation of Functions in 3D Space


Conax is to launch a new modular multiscreen service for next generation TV providers.
Deutsche Telekom is working with Zenterio, a Swedish TV technology and services provider, on a project to modernise the TV subscriber experience in Germany with one of the market’s largest deployments of IPTV set-top-boxes.
GTD is to upgrade its set-top box inventory after agreeing to deploy Amino’s ENABLE virtual set-top box software.
Poland’s Cyfrowy Polsat has introduced new software for its proprietary HD set-top boxes.
YouView is to run a pilot scheme that will give viewers a voice controlled TV experience around Amazon Alexa.
BT has begun the process of upgrading its set-top box inventory to the latest version of YouView.
WATCH VIDEO. Vodafone Deutschland has launched Ultra HD/4K platform GigaTV on its cable network today bundling the entertainment services in the customer’s household.
Germany’s third-largest cable operator Tele Columbus will launch its multiscreen platform AdvanceTV combining linear TV, video-on-demand (VOD) and apps on January 16, 2017.
Foxconn, one of the world’s largest consumer electronics manufacturers, will equip its TV devices with white label smart TV portal solutions from German technology and software development company NetRange.
The Warsaw-based TiVo subsidiary Cubiware has entered into a partnership with Ali Corporation.


UGRD_2011_Spring_Follum_Whitman.pdf (600.82 kB)
Sunrise Alarm Clock for the Hearing Impaired
presentationposted on 2021-11-15, 18:37 authored by Jim Follum
The Sunrise Alarm Clock is a device designed to be more effective than standard alarm clocks and more pleasant than specialty devices in waking the hearing impaired. This is accomplished with the inclusion of visual, physical, and audio alarms. The visual alarm stimulus is created by manipulating the light output of a bedside lamp to mimic the sunrise. This is achieved by varying the duty cycle of a pulse width modulated signal supplied through a standard three-prong receptacle located on the side of the alarm clock. Physical alarms are in the form of wristbands containing vibrating motors. Finally, audio alarms are provided with both volume and pitch control to match the user's specific needs. The entire system is designed with two users in mind by providing two independently controlled receptacles, wristbands, and audio systems. At the conclusion of development, a nearly fully functional prototype has been produced. The prototype's audio and physical alarm system along with one visual alarm are fully functional. Shortcomings include poor timekeeping accuracy and problems clearly displaying the time. Even so, this development in sleep technology is capable of performing its task and waking its user with all three alarm systems.
PublisherUniversity of Wyoming. Libraries
- Library Sciences - LIBS


The United States Department of Energy (US DOE) recently announced an investment of $36 Million in a number of projects to improve situational awareness of solar energy systems, especially at critical infrastructure sites. This investment will increase resilience to cyber and physical threats, and strengthen solar integration on the grid.
News and Events
Researchers at the Cockrell School of Engineering have created the first silicon nanomembrane based flexible photonic crystal cavity. This new form of silicon photonic devices is believed to have numerous applications in wearable devices and biomedical instruments.
UT ECE assistant professor and Kilby Endowed Faculty Fellow Deji Akinwande has been named the 2015 recipient of the IEEE Nanotechnology Early Career Award.
Researchers at the Cockrell School of Engineering have created the first transistors out of silicene, the world’s thinnest silicon material. This new “wonder material” could make computers and other electronics more efficient.
UT ECE graduate student Scott Maddox has been named the recipient of the Best Student paper Award from the 2014 MRS Electronic Materials Conference for his talk "Effects of Growth Rate, Substrate Temperature, and a Bi Surfactant on Doping Limits in InAs: Si Grown by Molecular Beam Epitaxy.” Scott


DENSO’s MDrive Car Share Study Reveals Promise For Electric Car Sharing
Study findings will guide development of future vehicles, says DENSO.
DENSO Opens R&D Lab At University of Michigan To Advance Machine Learning And Automated Drive
The DENSO R&D Lab gives DENSO an opportunity to more closely collaborate with the University and North American automotive manufacturers on key safety technologies like machine learning, advanced driver assistance systems and automated drive. As part of the lab, 12 university students have been selected to participate in research projects, which will begin this month and run throughout 2017.


YouTuber ProfessorBoots recently published a comprehensive set of 3D print files for a remote-controlled mini excavator. The STL files for free download on the Printables platform contain all the necessary components to build the functional model yourself.
According to ProfessorBoots, the set is also suitable for beginners. Thanks to the modular design, the individual components such as the boom arm, bucket and chassis are easy to print and then assemble.
The YouTuber recommends compact RC servo motors as the drive. They can be controlled via a special circuit board with a Bluetooth connection to a smartphone or tablet. Alternatively, a commercially available RC remote control can be used.
The building instructions are provided in the form of a detailed video tutorial on YouTube and on the official website. According to ProfessorBoots, the self-assembly takes around 35 hours of printing time. However, experienced makers could also complete the model within a weekend. Alternatively, ProfessorBoots also offers a complete kit with all electrical parts and the 3D-printed parts in its store.


Credible projections of future changes in climate, energy, and related human and natural systems are dependent on realistic scenarios of future electricity system growth. However, electricity capacity expansion models typically do not account for water availability, interconnection costs, regulatory constraints, or other factors that may restrict power plant construction. A team from the U.S. Department of Energy’s Pacific Northwest National Laboratory used the Capacity Expansion Regional Feasibility (CERF) model to evaluate the potential for siting different energy production technologies over the contiguous United States at a resolution of 1 km2.
By accounting for economic, environmental, and practical constraints that influence power plant siting, CERF will improve projections of future energy system growth and, ultimately, attendant changes in the integrated human-Earth system. Improved understanding of electricity capacity expansion constraints can also provide insight into factors that may influence long-term energy system resilience.
The open-source CERF model evaluates the feasibility of electricity capacity expansion plans by considering a wide range of factors that restrict power plant siting, including land use, environmental regulations, water availability, infrastructure access, and net operational costs. By combining this high-spatial-resolution information with larger-scale information about energy supply and demand from an integrated human-Earth system model such as GCAM, CERF can provide a comprehensive assessment of how many power plants of each type can be accommodated across a given region under a given scenario. Power plant siting is first evaluated based on geospatial suitability, which includes 32 base constraint layers and an additional seven layers of technology-specific constraints for 17 different power production technologies. The feasibility of the expansion plan is then further evaluated by considering economic factors such as the distance to existing transmission infrastructure, technology-specific marginal operating costs, and technology- and location-specific marginal energy values. Finally, an economic optimization algorithm is used to assign power plants to each 1 km2 grid cell. CERF thus provides a holistic, multi-sector, multi-scale assessment of the on-the-ground feasibility of a given electricity capacity expansion scenario. This information can be used to evaluate and refine projections of future energy system growth, which is a key factor driving future Earth system changes.


I used a modified Z-wave door/window sensor to setup my firm alarm:
Fire Alarm Panel Monitoring with contact sensor—how to report as a different device class? - Developer Programs / Writing Device Types - SmartThings Community
Now all new z-wave simple open/close door window devices automatically get recognized as a fire alarm.
Is there anyway I can disable it temporarily to add other z-wave open/close sensors?


Okay, so I’ve struggled with this ever since I started using Cubase 11 Pro to Cubase 12 Pro it’s cause me so many headaches.
Windows 11 Laptop (current updates)
Cubase 12 Pro (version 12.0.10)
MODX 8 (DI’d to Inputs 5-6 on Focusrite)
Focusrite Clarett+ 4Pre (Current updates)
Pair Yamaha HS8’s (Output 1-2 monitors FR)
Sonarworks SoundID Reference (Ver. 5.2.2)
My main goal is to fully utilise Cubase 12 Pro control room with the following:
Add Sonarworks to Engineer headphone mix (headphone output 1) in control room so that when I mix down I don’t have to disable it (currently it has no affect when I add it) also control headphone volume via green control knob in control room. Using the volume knob in headphones does nothing I’m getting a signal because I can see the level inputs when I enable monitor on the other part of control room.
Also do the same with my HS8’s add the speaker Sonarworks profile just to the HS8’s and obviously listen to DAW output plus MODX output once track and when Cubase shut down like when I’m just playing MODX and not recording or using Cubase.
Obviously Sonarworks profiles for use only in Cubase normal stereo modx when noodling and PC switch off so I can hear it live as I play. I hope this is making sense.
I would also like 1 Cue track setup so l can then control it via control room and the channel strip to send what I’d like to headphones output 2 on focusrite interface.
It all sounds simple in my head but difficult to explain lol.
In a nutshell:
Soundworks profile for headphone output 1 in CB 12 Pro control room without need to disable on mixdown / export control headphone 1 volume via knob in CB control room the green one I see it as.
Soundworks profile for HS8’s monitors on monitor output 1-2 on focusrite CB 12 Pro control room without need to disable on mixdown. Control HS8’s volume via CB control room know the red one I see.
Cue 1 mix to send headphones 2 output on focusrite I can choose mix to send via track strips and CB 12 Pro control room
Ability to use and hear MODX with or without computer currently plugged into inputs 5-6 on focusrite and also able to record inputs 5-6 in Cubase when needed (I’ve set this up as add external instrument in CB12 Pro) which works great.
Being able to keep analog inputs on front 1 to 4 for guitar, bass and two mics.
Thank you to anyone who can help with this, I’m completely lost


International Card Services (ICS), the largest credit card issuer in the Netherlands, is to use Aconite technology to provision customers’ cards onto NFC phones. Aconite’s solution will enable ICS to generate mobile EMV applet data and then deliver it in real-time to NFC handsets via a TSM service. ICS will also be able to manage both card and mobile issuance from a single system.
- Second generation NFC Ring seeks funding
- BNP Paribas pilots cards with dynamic security codes
- Samsung Pay gets seven city US promo tour
- Starbucks takes mobile ordering to the UK
- Clear2Pay adds certified testing solutions for US move to EMV


STMicroelectronics’ IIS2DLPC three-axis MEMS accelerometer can change operating mode on the fly, from ultra-low power to high resolution, enabling high-accuracy measurements within a limited energy budget. The sensor can provide continuous contextual awareness to wake the host system when action is required and take highly accurate measurements before returning to ultra-low power operation.
A choice of four reduced-power modes lets users optimize power consumption in wide-ranging application scenarios. A noise figure down to 90 μg/√Hz in high-resolution mode accounts for impressive measurement accuracy. Additional features include easy-to-use one-shot data conversion and a 32-level FIFO for storing batched data to reduce CPU intervention. An integrated temperature sensor and built-in self-test capability are also provided.
Suited to industrial applications, the IIS2DLPC is specified over an extended temperature range from -40°C to +85°C. In production now, it’s packaged as a 2 mm x 2 mm x 0.7 mm plastic land grid array (LGA) device, priced from $1.10 each/1,000. For greater enlightenment, peruse the IIS2DLPC datasheet.


A1388 EZ GO WIRING DIAGRAM
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Dec 07, 2018EZ GO TXT Wiring diagram? Hi everyone- I have a 1998 TXT I installed a stretch kit on, and I know I have some of the accessories wired wrong, including the key switch and factory battery gauge.
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Hello., I have encountered the same issue previously just like you did. Try this: Goto http://7-zip.org/ Download the 32 or 64bit application as you need and install it. Run the application and navigate to the zip file and click extract. Choose location to extract. THIS TIME IT SHOULD EXTRACT WITHOU...
- Mon Jun 15, 2015 8:31 am
- Forum: Troubleshooting
- Topic: fswebcam Unable to find a compatible palette format
- Replies: 24
- Views: 29752
For the people who are having the problem of fswebcam crapping out after a few shots I have found a work around. https://gist.github.com/x2q/5124616 is a C program that will reset usb devices by bus and device number save the code as usbreset.c in your home folder then compile $ cc usbreset.c -o us...
Am a beginner to Raspberry pi GPIO (not to RPi). I have brought a 12V 8 Channel relay and tried setting it up and later i found some issues. I powered the relay with an 12V DC. My RPi is powered by another 5v 1A power source. Then i connected the GPIO pins to the relay inputs, As of now, relay were ...
- Sun Dec 07, 2014 8:39 am
- Forum: Beginners
- Topic: RPi GPIO to Open & Close Car Doors
- Replies: 1
- Views: 932
I need help setting up Raspberry Pi Model B to control Car Door Lock unit(s). I have connected my Rpi to a relay which looks like this : gpio board.JPG I wish to clarify what is NO, C, NC and how do they operate... Here is the image of the door lock unit. 20141207135528.jpg The 12V DC supply is need...


It appears a very important anniversary passed by recently without anyone realizing. The January 1975 issue of Popular Electronics featured the Altair 8800 on the cover, otherwise known as the blinky box that launched a revolution, the machine that made Microsoft a software powerhouse, and the progenitor of the S-100 bus. The 40-year anniversary of the Altair wasn’t forgotten by [dankar], who built a front panel emulator with the help of some much more modern components.
The build unofficially began with an Intel 8080 emulator written for an Arduino. The 8080 is the brains of the Altair, and while emulators are cool, they don’t have the nerd cred of a panel of switches and LEDs. The hardware began as a bunch of perfboard, but [dankar] wired himself into a corner and decided to make a real schematic and PCB in KiCAD.
Despite the banks of LEDs and switches, there really isn’t much to this front panel. Everything is controlled by shift registers, but there is a small amount of SRAM in the form of an SPI-capable 23LC1024. This comes in handy, because [dankar] is running CP/M 2.2 on this front panel emulator from disk images saved on an SD card. Everything you would want from a computer from 1975 is there; an OS, BASIC, and enough I/O to attach some peripherals.
Everyone loves Top Gear, or as it’s more commonly known, The Short, The Slow, And The Ugly. Yeah, terrible shame [Clarkson] the BBC ruined it for the rest of us. Good News!A show featuring the Dacia Sandero drones will be filling the Top Gear timeslot. And on that bombshell…
Need an ESP8266 connected to an Arduino. Arachnio has your back. Basically, it’s an Arduino Micro with an ESP8266 WiFi module. It also includes a Real Time Clock, a crypto module, and a solar battery charger. It’s available on Kickstarter, and we could think of a few sensor base station builds this would be useful for.
[Ben Heck] gave The Hacakday Prize a shoutout in this week’s episode. He says one of his life goals is to go to space. We’re giving that away to the project that makes the biggest difference for the world. We’re not sure how a [Bill Paxton] pinball machine fits into that category, but we also have a Best Product category for an opportunity to spend some time in a hackerspace… kind of like [Ben]’s 9 to 5 gig…
[Jim Tremblay] wrote a real time operating system for a bunch of different microcontrollers. There are a lot of examples for everything from an Arduino Mega to STM32 Discovery boards. Thanks [Alain] for the tip.
45s – the grammophone records that play at 45 RPM – are seven inches in diameter. Here’s one that’s 1.5 inches in diameter. Does it work? No one knows, because the creator can’t find a turntable to play it on.
Are we betting on the number of people who don’t get the joke in the second paragraph of this post? Decide in the comments.
A word clock – a clock that tells the time with illuminated letters, and not numbers – has become standard DIY electronics fare; if you have a soldering iron, it’s just what you should build. For [Chris]’ word clock build, he decided to build an RGB word clock.
A lot has changed since the great wordclock tsunami a few years back. Back then, we didn’t have a whole lot of ARM dev boards, and everyone’s grandmother wasn’t using WS2812 RGB LED strips to outshine the sun. [Chris] is making the best of what’s available to him and using a Teensy 3.1, the incredible OctoWS2812 library and DMA to drive a few dozen LEDs tucked behind a laser cut stencil of words.
The result is blinding, but the circuit is simple – just a level shifter and a big enough power supply to drive the LEDs. The mechanical portion of the build is a little trickier, with light inevitably leaking out of the enclosure and a few sheets of paper working just enough to diffuse the light. Still, it’s a great project and a great way to revisit a classic project.
While [Drew] was in China for the Dangerous Prototypes Hacker Camp, he picked up some very bright, very shiny, and very cheap LED strips. They’re 5 meter “5050” 12V strips with 20 LEDs per meter for about $15 a spool. A good deal, you might think until you look at the datasheet for the controller. If you want an example of how not to document something, this is it.
A normal person would balk at the documentation, whereas [Drew] decided to play around with these strips. He figured out how to control them, and his efforts will surely help hundreds in search of bright, shiny, glowy things.
The datasheet for the LPD6803 controller in this strip – available from Adafruit here – is hilarious. The chip takes in clocked data in the order of Green, Red, and Blue. If anyone can explain why it’s not RGB, please do so. Choice phrasing includes, “VOUT is saturation voltage of the output polar to the grand” and “it is important to which later chip built-in PLL regernate circuit can work in gear.” Apparently the word ‘color’ means ‘gray’ in whatever dialect this datasheet was translated into.
Despite this Hackaday-quality grammar, [Drew] somehow figured out how to control this LED strip. He ended up driving it with an LPC1768 Mbed microcontroller and made a demo program with a few simple animations. You can see a video of that below.
A while ago, [Kyle] built an automated mushroom cultivator. This build featured a sealed room to keep contaminants out and enough air filtering and environmental controls to produce a larger yield of legal, edible mushrooms than would otherwise normally be possible.
Now, he’s at it again. He’s expanded the hardware of his build with a proper, grounded electrical box for his rig, added more relays, implemented PID for his temperature and humidity controller, and greatly expanded the web interface for his fungiculture setup.
Like the previous versions of his setup, this grow chamber is controlled by a Raspberry Pi with a camera and WiFi module. Instead of the old plastic enclosure, [Kyle] is stepping things up with a proper electrical enclosure, more relays, more humidity and temperature sensors, and a vastly improved software stack. Inside the enclosure are eight relays for heaters and humidifiers. The DHT22 sensors around the enclosure are read by the Pi, and with a proper PID control scheme, controlling both the temperature and humidity is simply a matter of setting a number and letting the machine do all the work.
The fungi of [Kyle]’s labor include some beautiful pink and white oyster mushrooms, although with a setup like this there’s not much fungiculture he can’t do.
The table includes a 32×12 grid of LEDs in the center of the table, with 10 pods for Solo cups at each end of the table. These pods have 20 RGB LEDs each and infrared sensors that react to a cup being placed on them. The outer edge of the table has 12 LED rings for spectators, giving this beer pong table 1122 total LEDs on 608 individual channels.
With that many LEDs, how to drive all of them becomes very important. There’s a very large custom board in this table with a PIC24 microcontroller, TLC5955 PWM drivers, and enough IDC headers to seriously reconsider using IDC headers.
Put enough LEDs on something and it’s bound to be cool, but [Jeff] is taking this several steps further with some interesting features. There’s a Bluetooth module for controlling the table with a phone, a VU meter to give the table some audio-based visualizations, and air baths for cleaning the balls; drop a ball down the ‘in’ hole, and it pops out the ‘out’ hole, good as new. If you’ve ever wondered how much effort can go into building a beer pong table, there you go. Video below.
Building a MAME machine – an arcade cabinet that will play everything from Galaga to Street Fighter II – is surely on the ‘to build’ list of thousands of Hackaday readers around the world. It’s a relatively simple build, provided you can put a sheet of MDF in your car; it’s just an emulator, and if you can find a CRT and have an old computer sitting around, you’re already halfway there.
There is another class of arcade games that can be emulated. This is, of course, pinball machines. [Jan] built a virtual pinball cabinet over the last few months and his build log is incredible. If you’ve ever wanted to build a pinball emulator, this is the guide to reference.
The software is the real star of the show with PinballX serving as the front end, with Future Pinball and Visual Pinball serving as the emulators. These emulators drive the displays, changing out back glasses, and simulating the physics of the ball. The computer running all of this has a few neat electromechanical bits including a shaker motor, an original Williams replay knocker, and some relays or solenoids give the digital table a tremendous amount of force feedback. This is the way to do it, and if you don’t have these electromechanical bits and bobs securely fastened to the machine, you really lose immersion.
You can check out a video of the table in action below.


Here's the new Canon PowerShot G5 IS, 8 megapixels of compact camera with an attitude, and 1:2.7-3.5 lenses with 12x optical zoom. The new camera supports video mode with stereo sound recording, as you can see from the two microphones mounted in the front.
Commanded by Canon's DIGIC III processor, this SLR Mini-Me comes loaded with optical Image Stabilizer and a 2.5-inc LCD screen that you can freely move around. The camera supports face detection for auto-focus, built-in red-eye correction and can even use extra optics for telephoto and wide-angle shots using an optional lens adapter. It also has a flash shoe and support for SDCH/SD and MMC memory cards. Weighting 15.9 oz it looks like the build is solid, although I am not convinced about the 4 alkaline batteries included in the package. We don't have a price yet, but we have a gallery with sample photos and images of the camera for *free*.


Please upgrade to the new Edge browser, or use Chrome, Firefox or Safari, before continuing. Internet Explorer will not support the best shopping experience on the ADI Digital Branch site after March 12, 2021.
Clear imaging against strong back light due to 130 dB WDR technology
Focusing on human and vehicle classification based on deep learning
24/7 colorful imaging
Hikvision ColorVu technology provides 24/7 vivid colorful images with F1.0 advanced lenses, high performance sensors and friendly lighting. F1.0 super-aperture collects more light to produce brighter images. Advanced sensor technology can vastly improve the utilization of available light. In zero-light scenarios, built-in, warm supplemental lighting works to guarantee colorful images.
Category : Bullet Cameras, IP Camera's, IP Video, Products


In addition to iOS 10.2 and tvOS 10.2, Apple has also released watchOS 3.1.1. According to Apple, the update:
The update includes improvements and bug fixes, including:
° Fixes an issue that could prevent contact names from appearing in the Messages app and notifications;
° Fixes an issue that could impact ability to respond to notifications;
° Resolves an issue where the Stocks complication may not update on the watch face;
° Fixes an issue that may prevent the Activity rings from displaying on the Activity watch faces;
° Fixes an issue that prevented the dials on an analog watch face from appearing after changing the temperature unit in the Weather app;
° Resolves an issue that could cause the Maps app to stay launched after navigation has ended;
° Resolves an issue where the incorrect date could be displayed in the Calendar app month view.
You can obtain watchOS 3.1.1 by using the Apple Watch app. The smartwatch must be connected to a power source and have more than 50% battery remaining to do the update.


27C64 datasheet, 27C64 pdf, 27C64 data sheet, datasheet, data sheet, pdf, Microchip, 64K (8K x 8) CMOS EPROM. 27C64 64k (8k X 8) CMOS EPROM FEATURES. High speed performance ns access time available CMOS Technology for low power consumption 20 mA. The 27C64 specified on this data sheet is fully compliant with MIL-STD Revision C. Features. Y Clocked sense amps for fast access time down to. ns .
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Microchip Technology Australia Pty Ltd.
It is ideally suited for micro. Exposure to maximum rating con. The memory matrix is erased to the all. When programming multiple devices in parallel with dif.
Microchip products meet the specification contained in their particular Microchip Data Sheet. The device is organized as 8K words by 8 bits 8K. V CC is at the proper level. A flowchart of the express algorithm is.
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. This is a stress rat.
District, Foshan City, GuangdongChina. Use of Microchip’s products as critical. V PP voltage w. Yokohama, Kanagawa,Japan. These are stress ratings only and operation of the device at these or any other. After the array has been programmed it must be veri.
The FDIP28W window ceramic frit-seal package has transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern.
V CC is brought to the proper voltage.
Address CE or OE. Program Pulse Width 1. When data and address are sta. UnitTower 2, Metroplaza. Far East International Plaza. To order or to obtain information, e. Data is transferred to the output.
Printed on recycled paper. Read Mode is accessed when. All of these methods, to our.
Yusen Shin Yokohama Building 10F. The outputs go into a high impedance state. High speed “express” programming algorithm.
Note the following details of the code protection feature on Microchip devices: The modes of operation of the M27C64A are listed. Output Datawheet G is the output control and should. The Microchip name and logo, the Microchip logo, Accuron. Wan Tai Bei Hai Bldg.


mercury outboard wiring diagram 2004 mercury mountaineer stereo wiring mercury mountaineer electrical problems 2004 mercury mountaineer wiring diagram 1998 mercury mountaineer fuse diagram 1997 mercury mountaineer fuse box diagram mercury mountaineer seats 2003 mercury mountaineer wiring diagram
1998 Mercury Mountaineer Wiring Diagram Description1998 mercury mountaineer wiring diagram
answer i cant speak for a 98 model but on a 95 the diagram is in the owners manual if you need the one for the module under the hood it is on the inside of the lid ans wer hi i have a 98 as. 1998 mercury mountaineer wiring diagram
97 Mercury Mountaineer Stereo Diagram 2000 Mercury Mountaineer Radio Wiring Diagram 1998 Mercury Grand Marquis Wiring Diagram 1997 Mercury Mountaineer Fuse Box Diagram Wiring Diagram for 2002 Mercury Mountaineer 1998 Mercury Mountaineer Vacuum Diagram Mercury Mountaineer Electrical Problems 2007 Mercury Mountaineer Radio Wiring Diagram 2004 Mercury Mountaineer Wiring Diagram 2004 Mercury Mountaineer Stereo Wiring 2003 Mercury Mountaineer Wiring Diagram 1998 Mercury Tracer Wiring Diagram Mercury Mountaineer Engine Diagram Mercury Mountaineer Fuse Box Diagram Wiring diagram is a technique of describing the configuration of electrical equipment installation, eg electrical installation equipment in the substation on CB, from panel to box CB that covers telecontrol & telesignaling aspect, telemetering, all aspects that require wiring diagram, used to locate interference, New auxillary, etc.1998 Mercury Mountaineer Wiring Diagram
This schematic diagram serves to provide an understanding of the functions and workings of an installation in detail, describing the equipment / installation parts (in symbol form) and the connections.1998 Mercury Mountaineer Wiring Diagram
This circuit diagram shows the overall functioning of a circuit. All of its essential components and connections are illustrated by graphic symbols arranged to describe operations as clearly as possible but without regard to the physical form of the various items, components or connections.


Anderson, Betty Lise
Professor Anderson has been at The Ohio State University since 1990. She obtained her Ph.D. in Materials Science and Electrical Engineering at the University of Vermont in 1990 and her MS from there as well in 1988. Her technical area is photonics.
Anderson started her career as a teacher at an experimental elementary school. She earned a BSEE at Syracuse University in 1978, after which she worked in industry for nine years at Tektronix, Inc., C.S. Draper Labs, and GTE Laboratories.
Dr. Anderson runs the K12 Engineering Outreach program at Ohio State. She is also currently the Associate Chair of the Department of Electrical and Computer Engineering. She is co-author of "Fundamentals of Semiconductor Devices," now in its second edition at McGraw Hill.
Prof. Anderson is a Fellow of the SPIE (Society for Photo-Instrumentation Engineers), and a senior member of the Institute of Electrical and Electronics Engineers and the Optical Society of America. In 2022 she was awarded the National Science Board Publics Service Award, and in 2006 she was awarded the Outstanding Woman in Technology: TopCAT (Top Contributors to the Advancement of Technology)” by the Columbus Technology Council (Now Tech Columbus).
Betty Lise Anderson has multiple patents in the areas of optical switching, optical sensing, and optical computing. She teaches courses in fiber optics and the optical effects of materials, as well as semiconductor physics. She also has worked in medical optics and solar energy.


Please use this identifier to cite or link to this item:
|Title:||Robust adaptive transmission of data partitioned video|
|Citation:||Pu, T.Y.,Wong, W.C. (2000). Robust adaptive transmission of data partitioned video. IEEE Region 10 Annual International Conference, Proceedings/TENCON 2 : II-431. ScholarBank@NUS Repository.|
|Abstract:||In this paper, we first propose a new interlayer synchronization scheme for data partitioned video streams. Unlike conventional schemes, synchronization information is represented as bit position differences between layers and placed in the first layer, which is transmitted via a better channel. Based on data partitioning, we design an adaptive transmission scheme where the source code rate, channel code rate and modulation schemes are changed in an optimal way in response to varying channel conditions.|
|Source Title:||IEEE Region 10 Annual International Conference, Proceedings/TENCON|
|Appears in Collections:||Staff Publications|
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Product name: 960Wh Backup Power Station Home Solar Power Station for Laptop / Lighting / TV
Product model: Drivelong DP Series
Backup power station DP series built-in Gen-mate intelligent wireless monitoring system, this allows user monitor and troubleshoot via their smartphone in real time. If the car battery is dead, Backup power station DP series can help you out of the trouble. Backup power station DP series comes with a large capacity battery, make it more powerful. Users can easily replace the battery for Backup power station DP series, extend the use life of the machine. Backup power station DP series is perfectly suited for many applications, such as Camping, Recreational Vehicle, Remote Scientific and Research Sites.
DP Series(DP500i, DP1000i, DP1500i) Specification:
What it Powers:
Suzhou DriveLong Intelligence Technology Co., Ltd. was founded in March 2015. We have manufacturing plant in Jiangsu and Shandong provinces. Our products come with 2 years limited warranty from the date of purchase, providing parts for replacement. Our main products are inverter generators and portable power stations. Innovation drives the future.


[R] Triplet loss for image retrieval
This is an example of image retrieval based on MNIST and fashion-MNIST!
After learning by using typical triplet loss (a type of metric loss), we checked the retrieval results for the query image.
Despite simple learning, the results show fairly accurate retrieval results.
We have also shown the embedding space for the learned network in various ways.
If you are interested in doing research or metric learning, you might want to refer to it.
submitted by /u/kdhht2334


Novel GaN trench MIS barrier Schottky rectifiers with implanted field rings
international electron devices meeting, 2016.
We demonstrate a novel GaN vertical Schottky rectifier with trench MIS structures and trench field rings. The new structure greatly enhanced the reverse blocking characteristics while maintaining a Schottky-like good forward conduction. The reverse leakage current improved beyond 10 4 -fold and the breakdown voltage increased from 400 V t...More
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Factory supplied Air circuit breaker-FTW2 for Juventus Importers
Exterior and dimensions
We not only will try our best to offer excellent services to every customer, but also are ready to receive any suggestion offered by our customers for Factory supplied Air circuit breaker-FTW2 for Juventus Importers, We believe that a passionate, innovative and well-trained team will be able to establish good and mutually beneficial business relationships with you soon. Please feel free to contact us for more details.
|Model:||Rated voltage (V)：||Rated insulation voltage/Rated impulse withstand voltage Uimp(KV):||Installation(poles)：||Frame size rated current(A)||Rated current(A)||Rated breaking Capacity(KA)：||Rated short-time withstand current||Operating performance|
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|FTW2-1600||AC400||690/12000||withdrawable type,stationary type(3 poles,4poles)||1600||200,400,630, 800, 1000||55||42||42||10000||5000|
If you’re looking for schematics and discussion, please check out the thread on HombrewTalk.com:
panel conn RTDCON
63a disconnect SD2-063-RR
black switch GCX3300
red switch GCX3252-120L
30a breaker WMZS2B30
10a breaker WMZS1B10
DIN rail DN-R35S1-2
Panel-mount fuse holders
1A fast-blow fuses
10ga wire (red/black)
Plastic housing and fittings
Copper ground lug
Transistor BJT in Hindi, bipolar junction transistor NPN and PNP working difference are explained in Hindi in video tutorial. Lecture on BJT transistor switch circuit concept. Noise pick up demo, Experience based BJT circuit design tips, application as an amplifier, noise pickup by transistors, how to suppress noise, faster on off operation, are explained. Educational tutorials 49 by G K Agrawal on electronics engineering in Hindi.
Lecture is given by person with industrial experience and useful for electrical, electronic communication .and power electronics engineering students.
Also watch https://www.youtube.com/watch?v=bkFVBNFj1kQ
Also watch https://www.youtube.com/watch?v=B2l6zn_7RoU
Also watch https://www.youtube.com/watch?v=v_xAHOjVE1g
BJT transistor in Hindi, how bipolar junction transistor works, What is concept, NPN vs PNP difference are explained in Hindi. npn Hindi. BJT Hindi. How BJT works Hindi.


In this paper, we propose a line-based SLAM from an image sequence captured by a vehicle in consideration with the directional distribution of line features that detected in an urban environments. The proposed SLAM is based on line segments detected from objects in an urban environment, for example, road markings and buildings, that are too conspicuous to be detected. We use additional constraints regarding the line segments so that we can improve the accuracy of the SLAM.We assume that the angle of the vector of the line segments to the vehicle's direction of travel conform to four-component Gaussian mixture distribution. We define a new cost function considering the distribution and optimize the relative camera pose, position, and the 3D line segments by bundle adjustment. In addition, we make digital maps from the detected line segments. Our method increases the accuracy of localization and revises tilted lines in the digital maps. We implement our method to both the single-camera system and the multi-camera system. The accuracy of SLAM, which uses a single-camera system with our constraint, works just as well as a method that uses a multi-camera system without our constraint.


AirLive, one of the most advanced international IP Surveillance Networking products and solutions provider is announced its participation at Computex 2015 (Taipei, Taiwan World Trade Center Hall 1, A1117). AirLive will showcase its latest Surveillance Networking Solutions innovation products, Live Demo on Objecting by IVS IPCam, Smart Focus IPCam, Speed Dome IPCam, and IVS Standalone IPCam, Fisheye IPCam, Home APPCam series; 4 major topics to complete AirLive Surveillance Network Solution: CoreNVR+CMS, Device Guard PoE Switch + Core Switch, AC & N Top + AirLive Central Wireless, Surveillance Wireless Networking Solution.
AirLive supports vary product lines to provide IP Surveillance Networking Solutions which applied to all applications from Home/Smart Home, Smart Building, Smart Enterprise, Retails, Business (Hotel, Shopping Mall, Restaurant, Bank, and Casino), Public Constructions (Station, Train Station, and Airport), ISP, Telecom, even it’s under the unable-to-place cabling environment.
AirLive Central Wireless for AirLive AC & N Top provide Retails, Restaurants, Coffee Shops, Franchise stores, hotels, etc. an easy way to manage wireless devices from discovering devices, change configurations, firmware upgrades.
Fiber Switch, SNMP-24MGB Plus fulfill the demand of large bandwidth to provide completed the surveillance network solution need.
Smart Focus IPCam Series allows users adjust the focus and zoom remotely. Therefore, there is no need to open the camera case. The camera has 3.5x electric motorized zoom that you can change from the wide angle view to close view. Furthermore, the camera will focus instantly after zoom adjustment.
IVS (Video Analytics) IPCam Series Enhance tracing the video record easily, and increase system’s efficiency and reduce system’s loading. AirLive IVS IPCam is ideal for installation in public spaces such as airports, stadiums, border posts, offices, shopping centers and buildings that need to monitor and analyze the movement of people and objects. Besides detection capabilities and Face recognition, these cameras have built-in intelligent video analytics (IVS) that offer a wide range of capabilities extremely useful for implementing a video surveillance system professional level.
This AirLive Speed Dome Series designed for investigating objects with-in 5 seconds. It will be the best solution for big project such as Train Station, Airport, Highway, and other highly-secure buildings. Additional Smart Tracking Function is the best choose for business off-time security.
Device Guard Switch Series is a PoE switch which plays as a guard for the all system, will automatic re-power the PoE IP camera or AP, when the switch detect that particular IP camera or Access Point is not working or disconnected.


The voting for the #beapirate challenge 2022 ended.
As deaf-blind people can't see as well as hear, this made it challenging for them for getting educational access and being active in social interactions which lead to social isolation.
The project we are creating is a portable AI aided A.T (assistive technology) which translates the voice and text through an AI recognition method and translates them into braille text and vice versa. The translated information would be displayed on the temporary display made up of refreshable Braille cells. A Braille keyboard is used to communicate back. The information is outputted through text and voice on a connected device. This project would makes the social interaction and educational access way easier for them.
-Braille Brains' device can translate content inputted through a device
-Flexible display of translation ,which erases the previous translation accordingly
-Both cord and Solar chargeable device ,which enables the user to use it in anytime, anywhere .Few features like solar chargeable, offline translation (benefit from future collaboration) would save running cost of the device.
We empower them with our device to make them use their full potential.