Adaptive sliding mode output tracking control based-FODOB for a class of uncertain fractional-order nonlinear time-delayed systems

查看全文 作　　者：WANG [1]Zhen;WANG [1]XinHe;XIA [2]JianWei;SHEN [3]Hao;MENG [1]Bo

机构地区：[1]College of Mathematics and Systems Science,Shandong University of Science and Technology,Qingdao,266590,China;[2]School of Mathematics Science,Liaocheng University,Liaocheng,252059,China;[3]School of Electrical Engineering and Information,Anhui University of Technology,Maanshan,243002,China

出　　处：《Science China(Technological Sciences)》索引2020年第63卷第9期,共9页

基　　金：supported by the National Natural Science Foundation of China (Grant Nos. 61573008 and 61973199);the Post-Doctoral Applied Research Projects of Qingdao (Grant No. 2015122)。 摘　　要：An adaptive sliding mode control(ASMC) method, based on fractional-order disturbance-observer(FODOB), is presented for a class of fractional-order nonlinear time-delay systems(FONTDS) with uncertainties to solve the target output tracking problem.The external disturbances are estimated by FODOB, and the unknown internal perturbations of the system are adaptively estimated by sliding mode control(SMC). Furthermore, Gronwall's inequality approach is used to ensure that the output tracking error is uniformly bounded for FONTDS. Firstly, a fractional-order sliding mode control(FOSMC) based FODOB is proposed for a fractional-order linear time-delay system(FOLTDS). Secondly, combined with adaptive estimation, the ASMC of FONTDS is studied. Finally, a numerical example of FONTDS is used to verify the effectiveness of the proposed methods. 关键词：adaptive sliding mode control FRACTIONAL-ORDER disturbance-observer TIME-DELAY UNCERTAINTY

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Adaptive sliding mode output tracking control based-FODOB for a class of uncertain fractional-order nonlinear time-delayed systems

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