基于DSP的数字PID控制器设计

Design of Digital PID Controller Based on DSP

基于数字信号处理器(DSP)TMS320LF2407和外接D/A转换芯片,实现数字PID控制器,采用的PID控制算法是增量式PID控制算法,包括其硬件结构和软件设计。对PID控制算法及如何用DSP来实现数字PID控制器做了重点介绍,DSP的高速运算能力从硬件上保证了PID控制策略的实时性,对控制性能要求较高的场合,具有广阔的应用前景。

This paper carries out a digital PID controller based on Digital Signal Processor（DSP） TMS320LF2407 and D/A conversion chip of outer,algorithm adopts increment style PID Control algorithm,it contains hardware configuration and software design. The paper puts stress on PID control algorithm and how to realize digital PID controller with DSP. High speed calculation function of DSP ensures realtime feature of PID control strategy from hardware,in the occasions with higher demand of control capability,which has a potential value for application.