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分层递阶多模型自适应解耦控制器

王昕 李少远 岳恒

王昕, 李少远, 岳恒. 分层递阶多模型自适应解耦控制器. 自动化学报, 2005, 31(2): 223-230.
引用本文: 王昕, 李少远, 岳恒. 分层递阶多模型自适应解耦控制器. 自动化学报, 2005, 31(2): 223-230.
WANG Xin, LI Shao-Yuan, YUE Heng. Multivariable Adaptive Decoupling Controller Using Hierarchical Multiple Models. ACTA AUTOMATICA SINICA, 2005, 31(2): 223-230.
Citation: WANG Xin, LI Shao-Yuan, YUE Heng. Multivariable Adaptive Decoupling Controller Using Hierarchical Multiple Models. ACTA AUTOMATICA SINICA, 2005, 31(2): 223-230.

分层递阶多模型自适应解耦控制器

详细信息
    通讯作者:

    王昕

Multivariable Adaptive Decoupling Controller Using Hierarchical Multiple Models

More Information
    Corresponding author: WANG Xin
  • 摘要: To solve the problem such as too many models, long computing time and so on, a hierarchical multiple models direct adaptive decoupling controller is designed. It consists of multiple levels. In the upper level, the best model is chosen according to the switching index. Then multiple fixed models are constructed on line to cover the region which the above chosen fixed model lies in. In the last level, one free-running and one re-initialized adaptive model are added to guarantee the stability and improve the transient response. By selection of the weighting polynomial matrix, it not only eliminates the steady output error and places the poles of the closed loop system arbitrarily, but also decouples the system dynamically. At last, for this multiple models switching system, global convergence is obtained under common assumptions. Compared with the conventional multiple models adaptive controller, it reduces the number of the fixed models greatly. If the same number of the fixed models is used, the system transient response and decoupling result are improved. The simulation example illustrates the power of the derived controller.
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出版历程
  • 收稿日期:  2003-09-25
  • 修回日期:  2004-05-10
  • 刊出日期:  2005-03-20

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