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基于多步控制策略的混合H2/H∞鲁棒预测控制器设计

DOI: 10.3724/SP.J.1004.2012.00944, PP. 944-950

Keywords: 鲁棒预测控制,多步控制策略,混合H2/H∞,线性矩阵不等式

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Abstract:

?针对具有外界扰动的线性定常(Lineartimeinvariant,LTI)系统,本文研究了其鲁棒预测控制器(Robustmodelpredictivecontrol,RMPC)的设计方法.设计采用了混合的H2/H∞控制方法以有效地兼顾系统的抗干扰能力和闭环控制性能.同时,为了降低设计的保守性,设计利用闭环多步控制策略以扩大控制器的可行范围,改善系统控制性能.进而,为了便于实际实施,提出该RMPC的简化设计,通过将大部分在线计算量离线完成以降低鲁棒预测控制器的在线计算量.

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