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第11期 邵彭真等:轧机液压伺服系统多模型切换自适应反步控制 ·1351· techniques to an electrohydraulic velocity servomechanism./EEE 4结论 Trans Control Syst Technol,2004,12(2):303 本文从工程实际出发,针对轧机液压伺服控制 [5]Xiang Z R,Xiang W M.Design of controllers for a class of switched nonlinear systems based on backstepping method.Control 工作过程中存在的参数跳变问题,建立了与其相应 Deri,2007,22(12):1373 的多模型集.通过反步法设计各个子系统的状态反 (向峥嵘,向伟铭.基于反步法的一类非线性切换系统控制器 馈控制器,在满足一定条件下,选取反步递推设计中 设计.控制与决策,2007,22(12):1373) 用到的Lyapunov函数作为公共Lyapunov函数,并证 [6]Lian J,Zhao J.Robust H control of uncertain switched systems: 明了整个切换系统在任意切换情况下的稳定性.仿 a sliding mode control design.Acta Autom Sin,2009,35 (7):965 [7]Hespanha J P,Morse A S.Switching between stabilizing control- 真结果表明所设计控制器对轧机液压伺服系统工作 lers.Automatica,2002,38(11)1905 过程中存在的参数跳变和参数慢时变具有鲁棒性, [8]Liu Z F,Su B L.A robust and adaptive control approach based on 能够保证系统具有良好的跟踪性能 backstepping for uncertain switched systems.Comput Simul, 2009,26(10):166 参考文献 (刘志峰,苏佰丽.切换系统基于反演递推法的鲁棒自适应控 [Guan C,Pan S X.Sliding mode adaptive control of electro-hy- 制.计算机仿真,2009,26(10):166) draulic system with nonlinear unknown parameters.Control Theory [9]Fang Y M,Wang Z J,Xie Y P,et al.Sliding mode variable 4d,2008,25(2):261 structure control of multi-model switching for rolling mill hydraulic (管成,潘双夏.含有非线性不确定参数的电液系统滑模自适 servo position system.Electr Mach Control,2010,14(5):91 应控制.控制理论与应用,2008,25(2):261) (方一鸣,王志杰,解云鹏,等.轧机液压伺服位置系统多模型 Guan C.Zhu S A.Multiple cascade backstepping adaptive control 切换滑模变结构控制.电机与控制学报,2010,14(5):91) of a hydraulic position tracking system.Mach Tool Hydraul,2004 [1o] Fan Z Y,Fang Y M,Ou F S,et al.Hydraulic servo position (7):47 system of mill based on multiple models fuzzy switching control. (管成,朱善安.液压位置跟踪系统的多级反演自适应控制 Metall Equip,2009 (2):18 机床与液压,2004(7):47) (范志远,方一鸣,欧发顺,等.基于多模型模糊切换的轧机 B3]Duraiswamy S,Chiu GT.Nonlinear adaptive nonsmooth dynamic 液压伺服系统位置控制.治金设备,2009(2):18) surface control of electro hydraulic systems//Proceedings of Amer- [11]Chou C H,Cheng CC.Design of adaptive variable structure con- ican Control Conference.Denver,2003:3287 trollers for perturbed time-varying state delay systems.Franklin 4]Garagic D,Srinivasan K.Application of nonlinear adaptive control lmt,2001,338(1):35第 11 期 邵彭真等: 轧机液压伺服系统多模型切换自适应反步控制 4 结论 本文从工程实际出发,针对轧机液压伺服控制 工作过程中存在的参数跳变问题,建立了与其相应 的多模型集. 通过反步法设计各个子系统的状态反 馈控制器,在满足一定条件下,选取反步递推设计中 用到的 Lyapunov 函数作为公共 Lyapunov 函数,并证 明了整个切换系统在任意切换情况下的稳定性. 仿 真结果表明所设计控制器对轧机液压伺服系统工作 过程中存在的参数跳变和参数慢时变具有鲁棒性, 能够保证系统具有良好的跟踪性能. 参 考 文 献 [1] Guan C,Pan S X. Sliding mode adaptive control of electro-hy￾draulic system with nonlinear unknown parameters. Control Theory Appl,2008,25( 2) : 261 ( 管成,潘双夏. 含有非线性不确定参数的电液系统滑模自适 应控制. 控制理论与应用,2008,25( 2) : 261) [2] Guan C,Zhu S A. Multiple cascade backstepping adaptive control of a hydraulic position tracking system. Mach Tool Hydraul,2004 ( 7) : 47 ( 管成,朱善安. 液压位置跟踪系统的多级反演自适应控制. 机床与液压,2004( 7) : 47) [3] Duraiswamy S,Chiu G T. Nonlinear adaptive nonsmooth dynamic surface control of electro hydraulic systems / / Proceedings of Amer￾ican Control Conference. Denver,2003: 3287 [4] Garagic' D,Srinivasan K. Application of nonlinear adaptive control techniques to an electrohydraulic velocity servomechanism. IEEE Trans Control Syst Technol,2004,12( 2) : 303 [5] Xiang Z R,Xiang W M. Design of controllers for a class of switched nonlinear systems based on backstepping method. Control Decis,2007,22( 12) : 1373 ( 向峥嵘,向伟铭. 基于反步法的一类非线性切换系统控制器 设计. 控制与决策,2007,22( 12) : 1373) [6] Lian J,Zhao J. Robust H∞ control of uncertain switched systems: a sliding mode control design. Acta Autom Sin,2009,35( 7) : 965 [7] Hespanha J P,Morse A S. Switching between stabilizing control￾lers. Automatica,2002,38( 11) : 1905 [8] Liu Z F,Su B L. A robust and adaptive control approach based on backstepping for uncertain switched systems. Comput Simul, 2009,26( 10) : 166 ( 刘志峰,苏佰丽. 切换系统基于反演递推法的鲁棒自适应控 制. 计算机仿真,2009,26( 10) : 166) [9] Fang Y M,Wang Z J,Xie Y P,et al. Sliding mode variable structure control of multi-model switching for rolling mill hydraulic servo position system. Electr Mach Control,2010,14( 5) : 91 ( 方一鸣,王志杰,解云鹏,等. 轧机液压伺服位置系统多模型 切换滑模变结构控制. 电机与控制学报,2010,14( 5) : 91) [10] Fan Z Y,Fang Y M,Ou F S,et al. Hydraulic servo position system of mill based on multiple models fuzzy switching control. Metall Equip,2009( 2) : 18 ( 范志远,方一鸣,欧发顺,等. 基于多模型模糊切换的轧机 液压伺服系统位置控制. 冶金设备,2009( 2) : 18) [11] Chou C H,Cheng C C. Design of adaptive variable structure con￾trollers for perturbed time-varying state delay systems. J Franklin Inst,2001,338( 1) : 35 ·1351·
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