引用本文:何召兰,王 茂,崔 阳.一类切换系统基于观测器的滑模降阶控制[J].控制理论与应用,2009,26(6):704~708.[点击复制]
HE Zhao-lan,WANG Mao,CUI Yang.Sliding mode control for a class of switched systems based on reduced-order observer[J].Control Theory and Technology,2009,26(6):704~708.[点击复制]
一类切换系统基于观测器的滑模降阶控制
Sliding mode control for a class of switched systems based on reduced-order observer
摘要点击 1440  全文点击 1268  投稿时间:2008-02-12  修订日期:2008-10-07
查看全文  查看/发表评论  下载PDF阅读器
DOI编号  
  2009,26(6):704-708
中文关键词  切换系统  Lyapunov函数  滑模控制  降阶观测器
英文关键词  switched systems  Lyapunov function  sliding mode control  reduced-order observer
基金项目  哈尔滨市青年科技创新人才研究专项资金项目项目(2007RFQXG052).
作者单位E-mail
何召兰 哈尔滨工业大学 空间控制与惯性技术研究中心, 黑龙江 哈尔滨 150001
哈尔滨理工大学 自动化学院, 黑龙江 哈尔滨 150080 
hezhaolan@sina.com 
王 茂 哈尔滨工业大学 空间控制与惯性技术研究中心, 黑龙江 哈尔滨 150001 wangmao0451@sina.com 
崔 阳 哈尔滨理工大学 自动化学院, 黑龙江 哈尔滨 150080 cuiyang97@126.com 
中文摘要
      针对一类状态不可测的切换系统, 研究了其基于观测器的滑模控制问题. 设计了一类降阶观测器, 并用观测到的状态设计了滑模面函数以及滑模控制器, 使得闭环系统的状态能够到达滑模面上, 产生滑动模态. 并应用Lyapunov函数的方法给出了切换系统的滑动模态可达条件以及确保闭环切换系统渐近稳定的离散切换律. 最后,数值仿真验证了本文所提方法的有效性.
英文摘要
      The sliding mode control for switched systems with unmeasured states is addressed. Firstly, a reduced-order observer is designed to estimate the unmeasured states, and then a sliding surface function is chosen and a sliding mode control law is synthesized based on the estimated states. The sliding mode control law ensures the reachability of the predefined sliding surface, and thus the sliding mode dynamics is resulted. A sufficient condition is also derived to guarantee the existence of the sliding mode dynamics, and a set of switching laws are then devised to insure asymptotic stability of the overall switched closed-loop system. Finally, a numerical example is provided to demonstrate the effectiveness of the proposed approaches.