Dynamics of discrete-time sliding-mode-control uncertain systems with a disturbance compensator
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Date
Authors
Qu, Shaocheng
Xia, Xiaohua
Zhang, Jiangfeng
Journal Title
Journal ISSN
Volume Title
Publisher
Institute of Electrical and Electronics Engineers
Abstract
In this paper, dynamical behaviors of the discretetime
sliding-mode-control (DSMC) uncertain systems are studied.
First, a discrete reaching law with a disturbance compensator
is presented, and a sliding-mode controller is designed by using
the proposed reaching law. Second, the time steps for the system
trajectories to converge to the switching manifold are found. Then,
a quasi-sliding-mode domain (QSMD) of the DSMC uncertain systems
is obtained, and the system dynamics of the DSMC systems
in QSMD are described. Finally, numerical simulations are given
to demonstrate the effectiveness of the proposed strategies.
Description
Keywords
Discrete-time uncertain systems, Disturbance compensator (DSMC), Dynamics, Reaching law, Sliding-mode control (SMC), Quasi-sliding-mode domain (QSMD)
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Citation
Qu, S, Xia, X & Zhang, J 2014, 'Dynamics of discrete-time sliding-mode-control uncertain systems with a disturbance compensator', IEEE Transactions on Industrial Electronics, vol. 61, no. 7, pp. 3502-3510.