摘要
针对大时滞积分过程提出了一种改进Smith预估PI控制算法,该算法引入两个具有明显物理意义的可调参数,一个参数用于调节闭环伺服系统的跟踪速度,另一个用于改变闭环系统对扰动的控制品质。同时,提出了基于这两个参数的PI控制器参数整定方法,在模型失配情况下,对参数的稳定域进行估计,两个仿真实例验证了算法的有效性。
A simple modified Smith predictor controller design was proposed for integrating processes with long dead time. The overall control structure introduced two physically meaningful tuning parameters. One was used to set the speed of the closed-loop servo response and the other was used to set the performance of the load response. A simple controller tuning method was also developed to obtain the PI tuning parameters. With a given estimation of the unmatched model, the stability region of the tuning parameter was estimated. Two examples were used to demonstrate the effectiveness of the method.
出处
《辽宁石油化工大学学报》
CAS
2009年第3期73-76,共4页
Journal of Liaoning Petrochemical University
