基于限幅的最优PID控制器  

Optimized PID controller based on amplitude limiting

作　　者：李颖宏[1] 甘泉[2] 

机构地区：[1]北方工业大学现场总线及自动化北京市重点实验室,北京100041 [2]中科院高能物理研究所,北京100080

出　　处：《仪器仪表学报》2006年第8期973-976,共4页Chinese Journal of Scientific Instrument

摘　　要：本文提出了一种允许PID控制器输出达到限幅的非线性控制策略,探讨了寻求PID最优参数的搜索算法,并对搜索算法进行了改进。仿真表明,本文所提出的基于限幅的PID控制策略与传统的线性PID控制策略相比,能使系统的调节时间、超调量、鲁棒性等性能指标有着显著的提高。A non-linear control method is presented, which allows the output of the PID controller to reach its largest amplitude limit. The searching algorithm was investigated, which seeks the PID optimum parameters. The searching algorithm was improved also. Simulation result indicates that comparing with traditional linear PID control method, the proposed method can notably improve the system performances of regulation time, overshoot and robustness.

关 键 词：PID控制器 限幅 参数整定 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]