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Control and Decision. 2020, (02) Core

Linear active disturbance rejection control for high-order nonlinear systems with uncertaintyChinese Full Text

GAO Yang;WU Wen-hai;GAO Li;Department of Control Engineering and Command,Qingdao Branch of Naval Aeronautical University;

Abstract: A general linear active disturbance rejection control（LADRC） approach is proposed for a class of single-input single-output（SISO） high-order nonlinear systems with subject to dynamical and external uncertainties.For every part of LADRC,the principle of high-gain observer with single parameter tuning is adopted to construct the linear tracking differentiator,the linear extended state observer and the linear state error feedback law.By using Lagrange mean value theorem and Cauchy-Schwarz inequalit... More
Keywords：

nonlinear system; linear active disturbance rejection control; uncertainty; unknown control gain; single parameter tuning; high-gain observer;

  • DOI：

    10.13195/j.kzyjc.2018.0550

  • Series：

    (I) Electronic Technology ＆ Information Science

  • Subject：

    Automation Technology

  • Classification Code：

    TP13

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