In theoretical derivation, the on-time of SVPWM tube is: X=sqrt(3)Ubeta*TS/Ud; Y=sqrt(3)Ubeta*TS/Ud+3Ualpha*Ts/Ud; Z=sqrt(3)Ubeta*TS/Ud-+3Ualpha*Ts/Ud; ---------------------------------------------(1)...
I'm looking for a comprehensive PCB example of USB flash drive design. If you have one, please share one to the email address [url=mailto:qf__chen@163.com]qf__chen[/url][url=mailto:qf__chen@163.com][/...
1.When testing the pulse with an oscilloscope, the waveform cannot be stabilized. I used Dingyang SDS1102C, has anyone ever encountered this problem?...
[i=s]This post was last edited by zjw5000 on 2015-8-23 23:35[/i] [color=#000000] I saw many forum users complaining that Renesas IDE is awkward to use. In fact, CubeSuite+ is quite easy to use, and it...
I customized an emulator on wince 6.0 r2, but it can't display Chinese characters. Chinese characters are displayed as empty boxes. I don't know why? Please give me some advice!...
1. Connect the PC serial port to the 9-pin serial interface J5_232 of the TEST44X learning board// 2. For the slide switches P_232, P1, and U_USART, only the P2 and P5 pins of the slide switch U_USART...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]