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Decentralized Control for Large-Scale Interconnected Nonlinear Systems Based on Barrier Lyapunov Function

机译:基于障碍Lyapunov函数的大型互联非线性系统的分散控制

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摘要

We present a novel decentralized tracking control scheme for a class of large-scale nonlinear systems with partial state constraints. For the first time, backstepping design with the newly proposed BLF is incorporated to effectively deal with the control problem of nonlinear systems with interconnected constraints. To prevent the states of each subsystem from violating the constraints, we employ a special barrier Lyapunov function (BLF), which grows to infinity whenever its argument approaches some finite limits. By ensuring boundedness of the barrier Lyapunov function in the closed loop, we ensure that those limits are not transgressed. Asymptotic tracking is achieved without violation of the constraints, and all closed-loop signals remain bounded. In the end, an illustrative example is presented to demonstrate the performance of the proposed control.
机译:我们提出了一类具有部分状态约束的大型非线性系统的新型分散式跟踪控制方案。首次采用新近提出的BLF进行反推设计,以有效处理具有相互联系约束的非线性系统的控制问题。为了防止每个子系统的状态违反约束,我们使用特殊的屏障Lyapunov函数(BLF),只要其自变量接近某个有限极限,该函数就会增长为无穷大。通过确保闭环中的障碍Lyapunov函数的有界性,我们确保不会超出这些限制。在不违反约束的情况下实现了渐进跟踪,​​并且所有闭环信号均保持有界。最后,给出了一个说明性示例来演示所提出控件的性能。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第18期|494721.1-494721.6|共6页
  • 作者

    Guo Tao;

  • 作者单位

    Anyang Normal Univ, Sch Comp & Informat Engn, Anyang 455000, Henan, Peoples R China;

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  • 正文语种 eng
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