找到约 11528 条相关结果
... 速范围大、精度高等特点。PWM is a very effective technology to control analog ... uses Freescale MC9S12XS128 as controller,uses its internal PWM module and external motor driver chip MC33886 to ...
... 应用与推广。This paper describes the PWM flip-flop based on the multi-level class ... the FPGA. Based on the carrier phase-shifted PWM technology, the internal structure of the circuit realized ...
... 流动,实现了能量回馈,对四象限PWM整流器的研制有重要的理论指导 ... 。A simplified mathematical model of four-quadrant PWM rectifier in dq coordinate system was given.The ...
... ,提出了一种改进的电流型PWM像素驱动电路,保持了对OLED ... 文章中分析了改进的电流型PWM驱动电路结构,及其对OLED衰退补偿 ... 电阻Roled小于40MΩ时,该电流型PWM驱动电路电流衰退度与传统2T1C ... phenomenon.Therefore,this article proposes an improved current PWM pixel driving circuit which make compensations for ...
... 稳定,并且波动不大。Three-phase Bridge PWM rectifying circuit is transient and nonlinear, which makes ... finding out its drawbacks, this paper proposes a PWM control strategy, based on the load current of ...
... 详细介绍了移相全桥电压PWM软开关电路谐振工作的全过程， ... resonance process of phase-shifted full bridge voltage PWM soft-switching circuit is presented in details. Besides ...
... and full-bridge DC/DC zero-vohage switching PWM circuit, and realizes the zero-vohage opening for ... and full- bridge DC/DC zero-voltage switching PWM circuit makes the four switch tubes of main ...
... power supply in practical engineering,a kind of PWM inverter ac variable frequency preheating power supply is ... by IR2132 chip driving IGBT and circuit through PWM signal. The results show that the power supply ...
... 试验,在IGBT栅极获得了需要的PWM信号。According to the driving need of ... full-bridge soft switch inverter welding machine,the PWM generating circuit was designed,with the duty cycle ...
... resonant converters,the proposed converter adopts constant frequency PWM control.Thus,ZVZCS is realized in full input ...
