A robust output-feedback adaptive dynamic surface control for linear systems with input disturbance

查看全文 作　　者：Mingchao [1]SONG;Yan [1]LIN

机构地区：[1]School of Automation, Beihang University

出　　处：《控制理论与应用(英文版)》索引2013年第11卷第2期,共7页

基　　金：supported by the National Natural Science Foundation of China(No.61273141) 摘　　要：In this paper, a robust output-feedback adaptive control is proposed for linear time-invariant (LTI) single-input single-output (SISO) plants with unmeasurable input disturbance. Using dynamic surface control (DSC) technique, it is shown that the explosion of complexity problem in backstepping control can be eliminated. Furthermore, the proposed adaptive DSC scheme has the following merits: 1) by introducing an initialization technique, the L ∞ performance of system tracking error can be guaranteed even if the plant high-frequency gain is unknown and the input disturbance exists, and 2) the adaptive law is necessary only at the first design step, which significantly reduces the design procedure. It is proved that with the proposed scheme, all the closed-loop signals are semiglobally uniformly ultimately bounded. Simulation results are presented to demonstrate the effectiveness of the proposed scheme. 关键词：自适应控制输入干扰线性系统输出反馈一致最终有界设计过程线性时不变复杂性问题

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A robust output-feedback adaptive dynamic surface control for linear systems with input disturbance

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