【作者】 曾振平； 陈增强； 袁著祉；

【Author】 ZENG Zhenping, CHEN Zengqiang, YUAN Zhuzhi (Automation Department, College of Information Technology and Science, Nankai University, Tianjin, 300071)

【机构】 南开大学信息技术科学学院自动化系；

【摘要】 经典,H_∞控制理论不适用于求取PID结构的控制器。但是鲁棒稳定性和鲁棒性能的思想应该而且可以引入到PID控制系统设计中。在频域中,混合灵敏度的无穷范数即可作为PID控制器的鲁棒设计指标,但需要适当地选取权函数,然后可用简单的单纯形法搜索出控制器的优化参数。更多还原

【Abstract】 The classical H∞ control theory is not applicable for designing PID controllers. However, the theory of robust stability and robust performance is still useful and can be introduced into the synthesis of PID controllers. Choosing weighting functions carefully, we can take the H-infinite norm of the mixed sensitivity as an objection index for the PID controller design. Then the simplex searching algorithm can be applied to obtain the sub-optimized parameters for the controller.更多还原