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基于数字信号处理器(DSP)的移相调频
- :介绍了一种基于数字信号处理器(DSP)的移相调频(Phase-Shifted and Frequency-Varied,PSFV)PWM控制 逆变电源,给出了主电路拓扑结构,分析了其控制原理并设计了其控制程序流程图。新颖的PSFV 控制能够实现输出 电压90%的调整率,输出电流波动小于单纯移相调功PWM方式,并在轻载时保持连续。功率开关器件零电压零电流 通断(Zero-Voltage-Zero-Current Switching,ZVZCS)软开关的实现,有利于进一步提高开关
dainlu
- 此开关稳压电源由AT89S52单片机作为控制核心。系统包括AD采样,PID控制,PWM输出,构成闭环系统。交流电源输入到整流模块,经整流滤波后输出平稳的直流电压。该直流电压直接输出至IGBT全桥变换器模块。高精度AD转换器将后端输出的电压电流信号由模拟信号量变为数字量供给单片机进行数字PlD运算,经过PID控制运算后,由控制模块输出PWM调制波形至IGBT栅极,构成一个闭环系统,控制电压稳定输出,从而实现开关稳压电源控制系统。此外,可由键盘输入欲得电压值,从LCD显示实际电压值,人机交互界面友好
rectifier-model
- PWM rectifier model in matlab
UC3844
- uc3846 current mode pwm generator
pwm
- 直流电机驱动芯片采用L298.支流电机驱动就是利用PWM脉宽控制L298电流输出大小,从而达到控制电机的目的-Motor Driver IC using L298. Tributaries is the use of motor-driven PWM pulse width control L298 current output size, so as to achieve the purpose of the electrical control-DC motor driver chip L2
123
- 本文介绍了基于可控电流源的高精度高细分数步进电机细分驱动方法,采用 PwM(脉冲宽度调制)和5阶巴特沃斯低通滤波器实现了双14位精度较高的DAc,用 于控制精密可控电流源的电流输出,使得励磁线圈中流经的电流为稳定的直流,实现 了步进电机低噪声,高稳定度的细分驱动运行。 -This article describes the controlled current source based on the subdivision number of high precision ste
Current-error-space-vector-based-hysteresis-PWM.r
- paper helpful in understanding hysteresis current control methods
T6322A
- 是一款降压型LED恒流驱动IC,SOT23-6封装,,输入电压为5到38V,输出电流最大为1A,效率高达97 ,含有PWM调光功能。主用在12V/24V LED MR16恒流板,LED手电筒板,LED背光驱动等等产品上-A buck type constant current LED driver IC, SOT23-6 package, input voltage of 5 to 38V, output current up to 1A, efficiency up to 97 , with
UC3843
- Descr iption The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a
1451-48691001057S
- Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in
cospiacd
- Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in
JPtpenov95p680
- Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in
DC-motor-(5)
- 关于直流无刷马达PWM控制,包括电流走向,速度反馈,结合XE164单片机的驱动器开发文档-About brushless DC motor PWM control, including the current trend, speed feedback, combined with the XE164 microcontroller drive development documents
hly
- pwm波恒流源程序,输出1khz的矩形波,可调范围为10 到80 ,步进为5 -pwm wave constant current source, the output of a rectangular wave of 1khz, the adjustable range of 10 to 80 , the stepping to 5
A-Bit-Stream-Based-PWM-Technique-for
- A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM
Control-Scheme-for-Three-Phase-PWM
- A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM.zip
An-SVPWM-Based-Switching-Pattern-for
- A New Vector-Based Hysteresis Current Control Scheme for Three-Phase PWM.zip
(Renesas-Electronics)
- BLDC motor control is required to understand the motor rotor position and steering mechanism of rectifier. For the closed-loop speed control, there are two additional requirements, namely for the rotor speed \ / or motor current and PWM signals were
PWM
- 直流电源通过PWM发生器经由单相逆变器输出交流,示波器测量输出电压电流波形-DC power supply by single phase inverter AC output through the PWM generator, output voltage and current waveform by scope
PWMrectfier
- In this paper, simulation and practical implementation of direct power control is presented for a PWM Rectifier application. The proposed DPC control has several advantages, including the grid current very close to sinusoidal waveforms (TDH <1