In the process of writing this thesis, first, based on the theory of the DC motor, controller and sensors, the control circuit has been designed.
在论文的写作过程中，首先对直流电机、微控制器和传感器等进行了深入的研究，在理论基础上，设计了系统的控制电路。
The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electrical Angle changing phase control of DC brushless motor.
针对电机空间矢量控制和直流无刷电机120电角度换相控制算法的电路实现，采用了控制状态机与PWM发生电路相结合的方法。
A 150a DC TIG welding machine is developed, using specially designed thyristor rectifier and IC control circuit, which is simple, reliable and of high quality.
研制了一种150a直流tig焊机，采用特殊的晶闸管主电路和集成电路控制技术，具有简单、可靠和高性能的特点。
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