Output tracking control of high-order nonlinear systems with dynamic uncertainties

This paper investigates the output tracking control problem for a class of nonlinear systems with zero dynamic. On the basis of adding a power integrator method and approximation technique, an appropriate controller is proposed to guarantee that the tracking error turns to a preassigned neighborhood...

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Bibliographic Details
Published in:Transactions of the Institute of Measurement and Control 2020-05, Vol.42 (8), p.1511-1520
Main Authors: Sun, Zong-Yao, Gu, Yu-Jie, Meng, Qinghua, Sun, Wei, Liu, Zhen-Guo
Format: Article
Language:English
Subjects:
Nonlinear control
Nonlinear systems
Tracking control
Tracking errors
Uncertainty
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Summary:This paper investigates the output tracking control problem for a class of nonlinear systems with zero dynamic. On the basis of adding a power integrator method and approximation technique, an appropriate controller is proposed to guarantee that the tracking error turns to a preassigned neighborhood of the origin. The systems under investigation allow unmeasurable dynamic uncertainties, unknown nonlinear functions and unknown high-order terms. As an application, two examples are provided to illustrate the effectiveness of a control strategy.
ISSN:0142-3312
1477-0369
DOI:10.1177/0142331219892110