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Title: Output-based disturbance rejection control for non-linear uncertain systems with unknown frequency disturbances using an observer backstepping approach
Authors: Yang, Jun
Ding, Zhengtao
Chen, Wen-Hua
Li, Shihua
Issue Date: 2016
Publisher: © The Institution of Engineering and Technology
Citation: YANG, J. ... et al, 2016. Output-based disturbance rejection control for non-linear uncertain systems with unknown frequency disturbances using an observer backstepping approach. IET Control Theory and Applications, 10 (9), pp. 1052 - 1060
Abstract: This study is concerned with the output feedback control design for a class of non-linear uncertain systems subject to multiple sources of disturbances including model uncertainties, unknown constant disturbances, harmonic disturbances with unknown frequency and amplitude. The total disturbances and uncertainties are delicately represented by a compact exogenous model first. By incorporating the adaptive internal model principle, a set of dynamic estimators are developed for both state and disturbance observations. By means of observer backstepping technique, a composite output feedback controller is constructed based on the disturbance and state estimations. The stability of the closedloop system is rigorously established based on Lyapunov stability criterion. A missile roll stabilisation example is finally investigated to validate the effectiveness of the proposed control approach.
Description: This paper is a postprint of a paper submitted to and accepted for publication in IET Control Theory and Applications and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.
Sponsor: The work was supported in part by the National Natural Science Foundation of China under Grants 61203011,61473080, 61403227 and 61573099, the Natural Science Foundation of Jiangsu Province under Grants BK2012327 and BK20130018, the Chinese Postdoctorial Science Foundation under Grants 2013M540406 and 2014T70455, and also the Fundamental Research Funds for the Central Universities.
Version: Accepted for publication
DOI: 10.1049/iet-cta.2015.1160
URI: https://dspace.lboro.ac.uk/2134/21958
Publisher Link: http://dx.doi.org/10.1049/iet-cta.2015.1160
ISSN: 1751-8644
Appears in Collections:Published Articles (Aeronautical and Automotive Engineering)

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