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Observer-Based Robust Passive Control for a Class of Uncertain Neutral Systems: An Integral Sliding Mode Approach

机译:一类不确定中立型系统基于观测器的鲁棒无源控制:整体滑模方法

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摘要

The problem of integral sliding mode control (ISMC) with passivity is investigated for a class of uncertain neutral systems with time-varying delay (NTSTD) and external disturbance. The system states are unavailable. An ISMC strategy is proposed based on the state estimate. By employing a novel sliding functional, a new sufficient criterion of robust asymptotic stability and passivity for both the error system and the sliding mode (SM) dynamic system is derived via linear matrix inequality (LMI) technique. Then, a SM controller is synthesized to guarantee the reachability of the sliding surface predefined in the state estimate space. Finally, a numerical example shows the feasibility and superiority of the obtained result.
机译:研究了一类具有时变时滞(NTSTD)和外部干扰的不确定中立系统的无源积分滑模控制(ISMC)问题。系统状态不可用。基于状态估计,提出了ISMC策略。通过采用一种新颖的滑动泛函,通过线性矩阵不等式(LMI)技术导出了误差系统和滑动模(SM)动态系统的鲁棒渐近稳定性和无源性的充分判据。然后,合成一个SM控制器以保证在状态估计空间中预定义的滑动表面的可达性。最后,通过算例说明了所得结果的可行性和优越性。

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  • 来源
    《Journal of control science and engineering》 |2015年第2015期|308681.1-308681.10|共10页
  • 作者单位

    College of Information Science and Engineering, Ocean University of China, Qingdao 266100, China,College of Mathematics, Qingdao University, Qingdao 266071, China;

    School of Mathematical Sciences & College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266100, China;

    School of Mathematical Sciences & College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266100, China;

    Institute of Information and Systems Engineering, Henan University of Economics and Law, Zhengzhou 450002, China;

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