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Global disturbance rejection of a class of nonlinear systems with unknown exosystems 被引量：3

Global disturbance rejection of a class of nonlinear systems with unknown exosystems
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摘要 An asymptotic rejection algorithm is proposed for a class of nonlinear systems that have not only additive nonlinear uncertainties but also unknown disturbances. The disturbances are generated from an unknown exosystem, and are assumed to be sinusoidal disturbances with unknown amplitude and frequency. By using the technique of backstepping and adaptive control, a nonlinear state feedback controller is designed. Under the proposed controller, the system＇s state variables asymptotically converge to zero, and the disturbances are rejected completely. The approach used is an integration of the robust stabilization technique, adaptive technique, and backstepping technique. An asymptotic rejection algorithm is proposed for a class of nonlinear systems that have not only additive nonlinear uncertainties but also unknown disturbances. The disturbances are generated from an unknown exosystem, and are assumed to be sinusoidal disturbances with unknown amplitude and frequency. By using the technique of backstepping and adaptive control, a nonlinear state feedback controller is designed. Under the proposed controller, the system＇s state variables asymptotically converge to zero, and the disturbances are rejected completely. The approach used is an integration of the robust stabilization technique, adaptive technique, and backstepping technique.
作者 Yuan JIANG Shutang LIU
机构地区 School of Control Science and Engineering
出处 《控制理论与应用（英文版）》 EI 2009年第4期379-383,共5页
基金 supported by the National Natural Science Foundation of China (No.60874009) the Foundation for the Author of National Excellent Doctoral Dissertation of China (No.200444)
关键词 Internal model principle Nonlinear systems BACKSTEPPING Adaptive control Global stability Internal model principle Nonlinear systems Backstepping Adaptive control Global stability
分类号 TP273.2 [自动化与计算机技术—检测技术与自动化装置] TN914.42 [电子电信—通信与信息系统]
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参考文献10

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同被引文献19

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控制理论与应用（英文版）
2009年 第4期

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