【摘要】 介绍了一个用微机实现的反电动势负反馈直流调速系统，并详细讨论了反电动势运算器的算法、参数Ｒａ变化的影响与解决措施以及系统的控制策略。实验结果表明，该系统设计合理，控制策略恰当，取得了满意的控制效果。更多还原

【Abstract】 Introduces a DC speed control system for microcomputers using negative feedback of back electro motive force. It concludes the algorithm of arithmetic unit of back electro motive force, the influence and solution of the varition of parament R a , and the control method of the system. The experiment shows that the system design and control method is reasonable. Desirable control effect is attained.更多还原