大加减速轴向移动系统的振动控制  

Vibration control of an axially moving system with high ac-/deceleration

作　　者：刘屿[1] 翁轩[1] 吴忻生[1] 刘伟东[1] 

机构地区：[1]华南理工大学自动化科学与工程学院,广东广州510640

出　　处：《振动工程学报》2014年第6期878-884,共7页Journal of Vibration Engineering

基　　金：国家自然科学基金资助项目(61203060);高等学校博士学科点专项科研基金资助项目(20120172120033);2013年广东省省级科技计划项目;华南理工大学中央高校基本科研业务费资助项目(2013ZG010;2013ZM0098)

摘　　要：针对具有大加减速轴向移动结构,为抑制结构振动和避免控制溢出,采用广义Hamilton原理建立了结构无限维模型,并基于该无限维模型,运用边界控制技术和Lyapunov直接法设计了边界控制器,用于轴向移动结构的振动主动控制。所设计边界控制器避免了控制溢出问题,并能保证控制系统的稳定性和一致有界性。仿真结果表明,边界控制方法能有效抑制结构的振动。To suppress structure vibration and avoid control spillover,a boundary controller is proposed for active vibration control of an axially moving system with high ac-/deceleration.The proposed boundary controller,which is based on the infinitedimensional model of the axially moving system derived from generalized Hamilton＇s principle,employs the boundary technique and Lyapunov＇s direct method to reduce the axially moving system vibration.With the proposed boundary control method,the control spillover is avoided,and control system stability and uniform boundary are both achieved under external disturbances.Simulation results indicate that the proposed boundary control method effectively suppresses the vibration of the axially moving structure.

关 键 词：振动控制 轴向移动结构 大加减速 边界控制 稳定性 

分 类 号：TB535[理学—物理] TP273[理学—声学]