输入通道有干扰多变量MRAC系统的全局稳定化控制

周颖;武玉强

系统科学与数学 ›› 2006, Vol. 26 ›› Issue (6) : 670-683.

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中国科学院数学与系统科学研究院期刊网
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系统科学与数学 ›› 2006, Vol. 26 ›› Issue (6) : 670-683. DOI: 10.12341/jssms08515
论文

输入通道有干扰多变量MRAC系统的全局稳定化控制

    周颖(1), 武玉强(2)
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Global stabilization control of multi variable MRAC systems with disturbances in input channel

    Zhou Ying(1),Wu Yuqiang(2)
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摘要

对具有未建模动态并且输入通道存在干扰的动态不确定多输入多输出(MIMO)模型参考自适应控制(MRAC)系统, 应用输出反馈给出了一种变结构模型跟踪控制器设计.系统的已建模部分有大于1的任意相对阶且已建模部分阶的上界是未知的. 通过引入辅助信号和带有记忆功能的正规化信号,以及适当选择控制器参数,保证了闭环系统的全局稳定性,且跟踪误差可调整到任意小.

Abstract

A design scheme of variable structure model tracking controller using output feedback is presented for a class of multi-input and multi-output (MIMO) uncertain model reference adaptive control (MRAC) systems with disturbances in input channel. The relative degree of modeled part of the system is greater then one, and the upper bounded of the degree of modeled part is unknown. By introducing the auxiliary signals and normalized signals with memory functions and appropriate choice of controller parameters, the global stability of the closed-loop system is guaranteed, and the tracking error can be arbitrarily small.

关键词

未建模动态 / 输入通道干扰 / 变结构控制 / 全局稳定

Key words

Unmodeled dynamics / disturbances in input channel / variable structure control / global stability

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周颖 , 武玉强. 输入通道有干扰多变量MRAC系统的全局稳定化控制. 系统科学与数学, 2006, 26(6): 670-683. https://doi.org/10.12341/jssms08515
Zhou Ying , Wu Yuqiang. Global stabilization control of multi variable MRAC systems with disturbances in input channel. Journal of Systems Science and Mathematical Sciences, 2006, 26(6): 670-683 https://doi.org/10.12341/jssms08515
中图分类号： 93B51   
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