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MIMO LPV State-Space Identification of Open-Flow Irrigation Canal Systems

机译:流水灌溉系统的MIMO LPV状态空间识别

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摘要

Canal systems are complex nonlinear, distributed parameter systems with changing parameters according to the operating point. In this paper, a linear parameter-varying (LPV) state-space canal control model is obtained by identification in a local way using a multimodel approach. This LPV identification procedure is based on subspace methods for different operating points of an irrigation canal covering the full operation range. Different subspace algorithms have been used and compared. The model that best represents the canal behavior in a precise manner has been chosen, and it has been validated by error functions and analysis correlation of residuals in a laboratory multireach pilot canal providing satisfactory results.
机译:运河系统是复杂的非线性分布参数系统,其参数根据操作点而变化。本文采用多模型方法,通过局部辨识获得了线性参数变化(LPV)状态空间渠道控制模型。该LPV识别过程基于子空间方法,适用于覆盖整个作业范围的灌溉渠的不同作业点。已经使用和比较了不同的子空间算法。选择了最能精确表示运河行为的模型,并已通过误差函数和实验室多路引水渠中残余物的分析相关性进行了验证,从而提供了令人满意的结果。

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  • 来源
    《Mathematical Problems in Engineering》 |2012年第10期|948936.1-948936.16|共16页
  • 作者单位

    Automatic Control Department, Technical University of Catalonia, 08028 Barcelona, Spain;

    Embedded Systems and Automatic Group, Engineering School of ESEO, 49009 Angers, France;

    Automatic Control Department, Technical University of Catalonia, 08028 Barcelona, Spain;

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