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The Design of Robust Controller for Networked Control System with Time Delay

机译:时滞网络控制系统的鲁棒控制器设计

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This paper considers the stability and H-infinity control problem of networked control systems with time delay. Taking into account the influence of network with delay, unknown input disturbance, and uncertainties of the system modeling, meanwhile we establish a precise, closed-loop model for networked control systems with time delay. By selecting a proper Lyapunov-Krasovskii function and using Lyapunov theorem, a sufficient condition for stability of the system in the form of LMI is demonstrated, corresponding controller parameters are acquired, and the convergence of the control algorithm is proved. The simulation example shows that the construction of the network robust control system with time delay indeed improves the stability performance of the system, which indicates the effectiveness of the design.
机译:本文考虑了时滞网络控制系统的稳定性和H-∞控制问题。考虑到时延对网络的影响,未知输入干扰和系统建模的不确定性,同时建立了时滞网络控制系统的精确闭环模型。通过选择合适的Lyapunov-Krasovskii函数并使用Lyapunov定理,证明了LMI形式的系统稳定性的充分条件,获得了相应的控制器参数,并证明了控制算法的收敛性。仿真实例表明,具有时延的网络鲁棒控制系统的构造确实提高了系统的稳定性,表明了设计的有效性。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第11期|189013.1-189013.8|共8页
  • 作者单位

    Qiqihar Univ, Sch Comp & Control Engn, Qiqihar 161000, Heilongjiang, Peoples R China.;

    Qiqihar Univ, Sch Comp & Control Engn, Qiqihar 161000, Heilongjiang, Peoples R China.;

    Harbin Univ Sci & Technol, Coll Comp Sci & Technol, Harbin 150080, Peoples R China.;

    Qiqihar Univ, Sch Comp & Control Engn, Qiqihar 161000, Heilongjiang, Peoples R China.;

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