PID控制器的参数整定是控制系统设计的核心内容。它是根据被控过程的特性确定PID控制器的比例系数、积分时间和微分时间的大小。-PID controller tuning parameters control system design is the core content. It is charged with determining the characteristics of the process PID controller ratio coefficient, integration time and the size of the time differential.