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基于辅助输出构造的未知输入观测器设计

朱芳来 王昆 韩冬

朱芳来, 王昆, 韩冬等 . 基于辅助输出构造的未知输入观测器设计[J]. 北京航空航天大学学报, 2013, 39(3): 349-354.
引用本文: 朱芳来, 王昆, 韩冬等 . 基于辅助输出构造的未知输入观测器设计[J]. 北京航空航天大学学报, 2013, 39(3): 349-354.
Zhu Fanglai, Wang Kun, Han Donget al. Unknown input observer design based on auxiliary outputs[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(3): 349-354. (in Chinese)
Citation: Zhu Fanglai, Wang Kun, Han Donget al. Unknown input observer design based on auxiliary outputs[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(3): 349-354. (in Chinese)

基于辅助输出构造的未知输入观测器设计

基金项目: 国家自然科学基金资助项目(61074009);高等学校博士学科点专项科研基金资助项目(20110072110015);广西制造系统与先进制造技术重点实验室资助项目(PF110289);同济大学基础高等研究院基金资助项目;上海市重点学科资助项目(B004)
详细信息
    作者简介:

    朱芳来(1965-),男,广西桂林人,教授,zhufanglai@tongji.edu.cn.

  • 中图分类号: TP13

Unknown input observer design based on auxiliary outputs

  • 摘要: 研究了观测器匹配条件不满足之前提下,状态和未知输入同时估计的未知输入观测器的设计方法.基于可测输出相对于未知输入的相关度的概念,给出了可以满足匹配条件的辅助输出的构造方法.考虑了一种高阶滑模观测器,根据原系统的可测输出不仅能给出辅助输出、还能给出其微分在有限时间内的精确估计.基于辅助输出,提出一种能对状态渐近估计的降维观测器设计方法.基于状态和辅助输出之微分的估计,提出了一种未知输入的重构方法,该方法具有不必用到系统微分信息的优点.最后通过一仿真实验验证方法的可行性.

     

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出版历程
  • 收稿日期:  2012-03-13
  • 网络出版日期:  2013-03-31

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