基于反馈无源化的切换非线性系统H跟踪控制
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作者单位:

1. 沈阳工业大学 理学院,沈阳 110870;2. 沈阳城市学院 通识教育学院,沈阳 110112

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E-mail: dongxiaoxiao0331@sina. com.

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TP13

基金项目:

国家自然科学基金项目(61503254,61673099).


Passification-based H tracking control for a class of switched nonlinear systems
Author:
Affiliation:

1. School of Science,Shenyang University of Technogy,Shenyang 110870,China;2. School of General Education, Shenyang City University,Shenyang 110112,China

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    摘要:

    针对切换非线性系统,提出一种基于反馈无源化的H跟踪控制策略.首先,提出依赖状态切换的控制方法,在子系统不满足有界参考弱最小相位这一标准假设时,给出解决H跟踪问题的充分条件,通过零状态可检测条件保证切换系统的内部稳定性,并利用无源不等式验证切换非线性系统满足H跟踪性能;然后,提出依赖时间切换的跟踪策略,得到H跟踪问题的可解性条件,该方法不依赖系统内部状态进行切换,将系统输出和参考信号之间的误差作为控制输入,并计算出切换系统满足的平均驻留时间;最后,给出仿真算例,以验证结果的正确性.

    Abstract:

    The passification-based $H_\infty$ tracking control strategy is proposed for switched nonlinear systems. Firstly, a state-dependent switching method is proposed. When the subsystems do not satisfy the standard assumption of the bounded reference weak minimum phase (BRWMP), sufficient conditions of solving the $H_\infty$ tracking problem are given. The internal stability of the switched system is guaranteed by a zero-state detectability condition, and the $H_\infty$ tracking performance is verified by the passive inequality. Secondly, a time-dependent tracking control method is presented and the solvability condition of the $H_\infty$ tracking problem is given. This method takes the error between the system output and the reference signal as the control input, and the average dwell time is computed. Finally, a simulation example is given to illustrate the correctness of the result.

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董潇潇,张西,张静.基于反馈无源化的切换非线性系统H跟踪控制[J].控制与决策,2021,36(11):2729-2734

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  • 在线发布日期: 2021-09-26
  • 出版日期: 2021-11-20
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