引用本文:吴淮宁, 蔡开元.混合H2/H参数辨识[J].控制理论与应用,2004,21(1):110~114.[点击复制]
WU Huai-ning, CAI Kai-yuan.Mixed H2/H parameter identification[J].Control Theory and Technology,2004,21(1):110~114.[点击复制]
混合H2/H参数辨识
Mixed H2/H parameter identification
摘要点击 1572  全文点击 1114  投稿时间:2001-12-11  修订日期:2002-12-02
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DOI编号  10.7641/j.issn.1000-8152.2004.1.023
  2004,21(1):110-114
中文关键词  参数辨识  混合H2/H估计  逼近精度  鲁棒性
英文关键词  parameter identification  mixed H2/Hestimation  approximation accuracy  robustness
基金项目  国家自然科学(青年)基金项目(60204011); 国家自然科学基金项目(60274057).
作者单位
吴淮宁, 蔡开元 北京航空航天大学 自动化科学与电气工程学院,北京 100083 
中文摘要
      研究了混合H2/H参数辨识问题.将混合H2/H估计方法应用到系统参数辨识中,给出了混合H2/H参数辨识算法.所得的算法不仅能满足规定的鲁棒性能,且为最小二乘(LS)参数估计误差判据提供了一个最优上界.结果表明:提高辨识的鲁棒性,需要牺牲辨识的精度作为代价.最后,仿真结果也验证了该方法的有效性.
英文摘要
      The paper studies the problem of mixed H-two/H-infinity parameter identification. The mixed H-two/H-infinity estimation method was applied to parameter identification of systems. The algorithm of mixed H-two/H-infinity parameter identification was presented, which was not only guaranteed to satisfy a pre-specified level of robustness, and also provides an optimized upper bound on the least-squares parameter estimation error criterion. The results showed that improving robustness of identification needs to be at the cost of approximation accuracy of identification. Finally, it was also demonstrated, via an example, that the proposed method is effective.