一种新型自校正PID控制器

A New self-tuning PID Controller

针对具有过阻尼特性的过程,提出了一种改进的基于离线优化参数的自校正PID控制算法。该算法采用一种特殊的参数节省模型描述对象脉冲响应,根据对象脉冲响应、等效参数及PID离线优化参数之间的关系获得最佳PID整定参数,可得到在线计算量小,能适应对象参数时变且响应性能好的控制效果。

An improved self-tuning PID control algorithm based on off-line optimum parameters is presented in the paper. This algorithm uses a special parameter model to describe the pulse response. According to the pulse response and the relation between equivalent parameter and off-line PID parameter, optimum PID setting parameters can be obtained. It can decrease the online calculation and suit parameter time-varying system.