Finite-time tracking control for a class of MIMO nonlinear systems with unknown asymmetric saturations
type: Item
instance of: scholarly article
title: Finite-time tracking control for a class of MIMO nonlinear systems with unknown asymmetric saturations
zbMATH Open document ID: 1426.93119
DOI: 10.1155/2017/9452171
author: Fu Mingyu
author: Xu Yujie
published in: Mathematical Problems in Engineering
publication date: 2018-11-05T00:00:00Z
review text: Summary: This paper addresses the problem of finite-time tracking control for multiple-input and multiple-output (MIMO) nonlinear systems with asymmetric saturations. A systematic approach is proposed to eliminate the effects of unmeasured external disturbances and unknown asymmetric saturations. In the proposed control strategy, a terminal sliding mode disturbance observer is provided to estimate the augmented disturbance (which contains the unknown asymmetric input saturation and external disturbance). The approximation error of the augmented disturbance can converge to zero in a fixed finite-time interval. Furthermore, a novel finite-time tracking control algorithm is developed to guarantee fast convergence of the tracking error. Compared with the existing results on finite-time tracking control, the chattering problem and the input saturation problem can be solved in a unified framework. Several simulations are given to demonstrate the effectiveness of the proposed approach.
Mathematics Subject Classification ID: 93C35
Mathematics Subject Classification ID: 93B12
zbMATH DE Number: 6972680
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.1155/2017/9452171
OpenAlex ID: W2753798511
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description: scientific article; zbMATH DE number 6972680