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...
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
Today, fleet management innovation has made great progress. Whether trucks, buses, taxis or other means of transportation, wireless satellite positioning systems are used to enable dispatchers to u...[Details]
"Multimeter" is the abbreviation of multimeter, which is an indispensable tool in our electronic production. The advantages of multimeter are that it has many uses, a wide range, an...[Details]
With the explosive growth of electronic functions in cars, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of cars. What ...[Details]