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.654 北京科技大学学报 第31卷 可以看出,系统在发生故障的情况下仍能可以保证 [2]Yao B.Wang F Z.Zhang Q L.LMI-based design of reliable 系统的渐近稳定性,更进一步说明本文给出的动态 tracking controller.Acta Autom Sin,2004.30(6):863 (姚波,王忠福,张庆灵,基于LM可靠跟踪控制器设计.自 输出反馈控制器的有效性 动化学报,2004,30(6):863) 1.5 [3]Jin X Z.Yang G H.Robust fault tolerant control via linear frac- tional transformations//16th IEEE International Conference on Control Applications.CCA 2007:Part of IEEE Multi-confer- 1.0 ence on Systems and Conrol.,Singapore,Kent Ridge,2007: 640 6 [4]Zhou K M.Zhang R.A new controller architecture for high per- 0.5 formance robust and fault-tolerant control.IEEE Trans A utom Control..2001,46(10):1613 [5]Seo C J.Kim B K.Design of robust reliable Hoooutput feedback control for a class of uncertain linear systems with sensor failure- s 1 nt J Syst Sei,1996.27(10):963 [6]Seo C J.Kim B K.Robust and reliable Hoo control for linear sys- 图1故障时张力σ和套高的响应曲线 tems with parameter uncertainty and actuator failure.A utomati- FigI Response curves of tension and looper height 0 with faults ca,1996,32(3):465 [7]Liao F.Wang J L.Yang G H.Reliable robust flight tracking 4结论 control:an LMI approach.IEEE Trans Control Syst Technol, 2002,10(1):76 本文研究了线性不确定系统在执行器失效情况 [8]Li X,De SouzaC E.Delay-dependent stability and stabilization of 下的动态输出反馈H∞鲁棒容错控制设计问题,利 uncertain linear delay systems:A linear matrix inequalities ap 用线性矩阵不等式LMI提出了系统动态输出反馈 proach.IEEE Trans Autom Control.1997.42(8):1144 H∞容错控制器存在的充分条件,并给出了控制器 [9]Zhang G.Han X L.Wang Z Q.Dynamic output feedback reliable control with pole and state variance constraints.Control Decis, 的设计方法,文中所获得的控制器不仅能使故障系 2007,22(3):289 统鲁棒稳定,并且能达到给定的H∞性能指标,仿 (张刚,韩祥兰,王执铨·极点与状态方差约束下的动态输出 真示例验证了所提出设计方法的有效性, 反馈可靠控制.控制与决策,2007,22(3):289) [10]Mita T.Hee Control.Tokyo:Shokodo Co Ltd,1995 参考文献 [11]Fu X J.Tong C N.Zong S Y.Hoo control and simulation study [1]Fahmida A F,Chowdhury N.A robust fault tolerant control for loop system of hot strip rolling mill.JSyst Simul.2006. strategy for a class of nonlinear uncertain systems//Proceedings of 18(1):162 the 2006American Control Conference Minneapolis.Minnesota. (付兴建,童朝南,宗胜悦,带钢热连轧活套系统的H∞控制 2006,5474 及仿真研究.系统仿真学报,2006,18(1):162)可以看出‚系统在发生故障的情况下仍能可以保证 系统的渐近稳定性‚更进一步说明本文给出的动态 输出反馈控制器的有效性. 图1 故障时张力 σ和套高θ的响应曲线 Fig.1 Response curves of tension σand looper height θwith faults 4 结论 本文研究了线性不确定系统在执行器失效情况 下的动态输出反馈 H∞鲁棒容错控制设计问题.利 用线性矩阵不等式 LMI 提出了系统动态输出反馈 H∞容错控制器存在的充分条件‚并给出了控制器 的设计方法.文中所获得的控制器不仅能使故障系 统鲁棒稳定‚并且能达到给定的 H∞ 性能指标.仿 真示例验证了所提出设计方法的有效性. 参 考 文 献 [1] Fahmida A F‚Chowdhury N.A robust fault tolerant control strategy for a class of nonlinear uncertain systems∥ Proceedings of the2006A merican Control Conference Minneapolis.Minnesota‚ 2006:5474 [2] Yao B‚Wang F Z‚Zhang Q L.LMI-based design of reliable tracking controller.Acta A utom Sin‚2004‚30(6):863 (姚波‚王忠福‚张庆灵.基于 LMI 可靠跟踪控制器设计.自 动化学报‚2004‚30(6):863) [3] Jin X Z‚Yang G H.Robust fault-tolerant control via linear frac￾tional transformations∥16th IEEE International Conference on Control Applications‚CCA 2007:Part of IEEE Multi-confer￾ence on Systems and Control.‚Singapore‚Kent Ridge‚2007: 640 [4] Zhou K M‚Zhang R.A new controller architecture for high per￾formance robust and fault-tolerant control.IEEE T rans A utom Control‚2001‚46(10):1613 [5] Seo C J‚Kim B K.Design of robust reliable H∞ output feedback control for a class of uncertain linear systems with sensor failure. Int J Syst Sci‚1996‚27(10):963 [6] Seo C J‚Kim B K.Robust and reliable H∞ control for linear sys￾tems with parameter uncertainty and actuator failure.A utomati￾ca‚1996‚32(3):465 [7] Liao F‚Wang J L‚Yang G H.Reliable robust flight tracking control:an LMI approach.IEEE T rans Control Syst Technol‚ 2002‚10(1):76 [8] Li X‚De Souza C E.Delay-dependent stability and stabilization of uncertain linear delay systems:A linear matrix inequalities ap￾proach.IEEE T rans A utom Control‚1997‚42(8):1144 [9] Zhang G‚Han X L‚Wang Z Q.Dynamic output feedback reliable control with pole and state variance constraints.Control Decis‚ 2007‚22(3):289 (张刚‚韩祥兰‚王执铨.极点与状态方差约束下的动态输出 反馈可靠控制.控制与决策‚2007‚22(3):289) [10] Mita T.H∞ Control.Tokyo:Shokodo Co Ltd‚1995 [11] Fu X J‚Tong C N‚Zong S Y.H∞ control and simulation study for loop system of hot strip rolling mill.J Syst Simul‚2006‚ 18(1):162 (付兴建‚童朝南‚宗胜悦.带钢热连轧活套系统的 H∞控制 及仿真研究.系统仿真学报‚2006‚18(1):162) ·654· 北 京 科 技 大 学 学 报 第31卷
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