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Terminal Sliding Mode Control with Adaptive Law for Uncertain Nonlinear System

机译:不确定非线性系统的自适应律终端滑模控制

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摘要

A novel nonsingular terminal sliding mode controller is proposed for a second-order system with unmodeled dynamics uncertainties and external disturbances. We need not achieve the knowledge for boundaries of uncertainties and external disturbances in advance. The adaptive control gains are obtained to estimate the uncertain parameters and external disturbances which are unknown but bounded. The closed loop system stability is ensured with robustness and adaptation by the Lyapunov stability theorem in finite time. An illustrative example of second-order nonlinear system with unmodeled dynamics and external disturbances is given to demonstrate the effectiveness of the presented scheme.
机译:针对具有不确定性和外部干扰的二阶系统,提出了一种新颖的非奇异终端滑模控制器。我们不需要事先了解不确定性和外部干扰的边界。获得自适应控制增益,以估计未知但有界的不确定参数和外部干扰。 Lyapunov稳定性定理可在有限时间内通过鲁棒性和自适应性确保闭环系统的稳定性。给出了具有未建模动力学和外部干扰的二阶非线性系统的说明性示例,以证明所提出方案的有效性。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第19期|519090.1-519090.7|共7页
  • 作者单位

    Tianjin Polytech Univ, Sch Comp Sci & Software Engn, Tianjin 300387, Peoples R China;

    Tianjin Polytech Univ, Sch Text, Tianjin 300387, Peoples R China|Tianjin Vocat Inst, Tianjin 300410, Peoples R China;

    Tianjin Polytech Univ, Sch Comp Sci & Software Engn, Tianjin 300387, Peoples R China;

    Tianjin Polytech Univ, Sch Comp Sci & Software Engn, Tianjin 300387, Peoples R China;

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