PWM timing is the most advanced one among all 3-phase asynchronous motor timing methods. This article introduces the essential components of PWM control loop, and the key parts of the loop.
PWM调速是当前三相异步电动机调速中最有前途的一种方法。本文在介绍了PWM调速方法的基础上，对其中的关键环节进行了较深入的研究。
The capacitor in the rc timing network also determines a user-selectable blanking window that prevents false triggering of the PWM current-control circuitry during switching transitions.
RC计时网络中的电容器也可以确定用户可选择的空白窗口，该窗口在开关转换过程中可防止对PWM电流控制电路的误触发。
It is digital servo timing control system which is driven by PWM, direct current moment motor.
采用了脉冲调宽功放装置(PWM)，直流力矩马达直接驱动转台框架的数字伺服调速体制。
This paper firstly introduced the principle of switched reluctance motor; the working principle and control of PWM converter, which USES timing and compare of instantaneous value, is described.
本文对开关磁阻电机发电运行原理，对采用定时瞬时值比较方式的PW M变流器的原理与控制进行分析。
The numeral timing systems driven by PWM are set up for the direct current servo motor model by using the PI. and IP contrail ers respectively.
本文分别用PI控制器和IP控制器对直流伺服电机模型建立PWM驱动数字型调速系统。
The wire feeder timing system consists of MOSFET switch control circuit, PWM circuit and control circuit.
送丝调速系统由功率MOSFET开关控制电路、脉宽调制电路及控制电路构成。
On the basis of relevant analyses such as running principle, timing characteristic and control method, the control policy-PWM chopping is introduced.
在分析开关磁阻电机运行原理、调速特性和控制方法的基础上，提出了PWM斩波与角度控制相结合的控制策略。
PWM mode was analyzed, and a kind of variable-resistance timing Winch being of simple structure and large power supply was put forward by using wire-wound motor and series resistance timing principle.
分析了PWM的调整方式，利用绕线式电机和串电阻调速的原理，提出了一种结构简单、功率强的变阻调速绞车。
Control mode adopted voltage PWM, regulating open time to timing.
采用电压pwm的调速方式，通过调节pwm波的占空比实现调速。
Control mode adopted voltage PWM, regulating open time to timing.
采用电压pwm的调速方式，通过调节pwm波的占空比实现调速。
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