引用本文:耿立辉,崔世钢,赵丽.多输入多输出变量带误差模型的最坏情况频域辨识[J].控制理论与应用,2016,33(10):1366~1372.[点击复制]
GENG Li-hui,CUI Shi-gang,ZHAO Li.Frequency-domain worst-case identification of multiple input multiple output errors-in-variables models[J].Control Theory and Technology,2016,33(10):1366~1372.[点击复制]
多输入多输出变量带误差模型的最坏情况频域辨识
Frequency-domain worst-case identification of multiple input multiple output errors-in-variables models
摘要点击 3090  全文点击 1757  投稿时间:2015-11-01  
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DOI编号  10.7641/CTA.2016.15128
  2016,33(10):1366-1372
中文关键词  最坏情况辨识  变量带误差(EIV)模型  多输入多输出(MIMO)  频域  v-gap度量
英文关键词  worst-case identification  errors-in-variables (EIV) models  multiple input multiple output (MIMO)  frequency-domain  v-gap metric
基金项目  
作者单位
耿立辉* 天津职业技术师范大学 
崔世钢 天津职业技术师范大学 
赵丽 天津职业技术师范大学 
中文摘要
      本文将单输入单输出(SISO)变量带误差(EIV)模型的频域最坏情况辨识方法推广应用于多输入多输出 (MIMO)情况. 类似于SISO情况, 多输入多输出变量带误差(MIMO EIV)模型的辨识模型集合由估计的系统名义模型及 其最坏情况误差界描述. 所估计的系统名义模型表征为正规右图符号, 其最坏情况误差界具有可能的更少保守性, 可利 用EIV 模型的先验信息和后验信息由v-gap度量量化得到. 因此, 这种模型集合非常适合于后期利用Vinnicombe提出 的H1回路成形法设计鲁棒控制器. 最后, 利用一数值仿真实例验证所提出辨识方法的有效性.
英文摘要
      This paper extends a frequency-domain worst-case identification method for single input single output (SISO) errors-in-variables (EIV) models to its multiple input multiple output (MIMO) case. Similar to the SISO case, the identified model set for a MIMO EIV model is described by an estimated nominal system model and its worst-case error bound. The estimated nominal system model is characterized by a normalized right graph symbol and its worst-case error bound with possibly less conservativeness is quantified by the v-gap metric using a priori and a posteriori information on the EIV model. As a consequence, such model set is well suited to subsequent robust controller design via the H1 loop-shaping method proposed by Vinnicombe. Finally, the proposed identification method is verified by a numerical simulation example.