范文编号:JD222 字数:14347,页数:45 摘 要 本范文阐述基于单片机的数字直流调速系统的设计。通过8位单片机AT89C52来实现该系统。该系统完成对控制量,被控对象变量进行采样以及内环电流控制器运算、外环速度控制器运算和实现晶闸管数字触发器,对直流电动机进行数字调速。系统利用单片机采用PI算法进行控制,达到了对电动机转速较高的控制精度。 关键词:直流数字调速系统 单片机 PI控制算法
Abstract This paper introduces the design of digital DC speed adjusting system based on single chip microcomputer. The 8 one-chip computers AT89C52 be used to realize this system. This system is finished to the controlling amount, accuse of target variable go on sample and inner loop electric current controller operation, external loop speed controller operation and realize the brilliant floodgate is in charge of the digital trigger, adjust the speed to that the direct current motor carries on figures. The system uses the single chip microcomputer to adopt PI algorithm to control, has reached the precision of control higher in rotational speed to the motor. Keywords: Direct current digital adjusts the speed systematically、One-chip computer、PI control algorithm
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