单片机控制变频器的闭环交流调速系统

Closed loop AC Speed Adjusting System of Inverter Based on Single Chip Microcomputer

介绍了一种单片机控制变频器的闭环交流调速系统，叙述了系统的硬件结构和软件设计方案，探讨了实现ＰＩＤ参数自整定的方法。实验运行表明，该系统具有较高的响应速度和良好的控制效果。单片机的应用，使系统具有结构简单、操作方便和运行可靠的特点。

The paper describes a closed loop AC speed adjusting system of inverter controlled by single chip microcomputer,and introduces the system hardwares constitution and softwares design project,then gives a detailed discussion of procedure which regulates the PID parameters by itself.The experiments show that the system gets high response speed and good control effect.With single chip microcomputer,the system has the features of simple structure,convenient for manipulation and running reliability.