基于AVR单片机的电磁调速电动机控制器的设计

Design of Controller of Electromagnetic Speed Regulating Motor Based on AVR Single-chip Microcomputer

  • 摘要: 针对电磁调速电动机模拟控制器调速精度低、零点调整不方便等问题,文章设计了一种以AVR单片机为核心的全数字式电磁调速电动机控制器,介绍了该控制器的结构、硬件及软件设计,详细阐述了控制器过零检测电路、可控硅触发电路、脉冲转换测量电路的设计要点。该控制器采用频率测速和数字PID算法,可以满足不同负载的调速要求。

     

    Abstract: Aiming at the problems of low precision of speed regulating and inconvenience of zero(adjustment) of analogical controller of electromagnetic speed regulating motor,the paper designed a full-digital controller of electromagnetic speed regulating motor which took AVR single-chip microcomputer as core,introduced structure,hardware and software design of the controller.It also expounded the key point of design of detection circuit of voltage(zero-crossing,) thyristor trigger(circuit) and measurement(circuit) of pulse conversion in details.The controller applied speed measuring with(frequency) and digital(PID algorithm,) and could meet different load.

     

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