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Decentralized Sliding Mode Control for Output Tracking of Large-Scale Interconnected Systems

DIng, Y; Yan, XG; Mao, Z; Jiang, B; Spurgeon, SK; (2022) Decentralized Sliding Mode Control for Output Tracking of Large-Scale Interconnected Systems. In: Proceedings of the IEEE Conference on Decision and Control. (pp. pp. 7094-7099). IEEE: Austin, TX, USA. Green open access

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Abstract

In this paper, a class of nonlinear interconnected systems with matched and unmatched uncertainties is considered. The isolated subsystem dynamics are described by linear systems and a nonlinear component. The matched uncertainties and unmatched unknown interconnection terms are assumed to be bounded by known functions. Based on sliding mode techniques, a state feedback decentralized control scheme is proposed such that the outputs of the controlled interconnected system track given desired signals uniformly ultimately. The desired reference signals are allowed to be time-varying. Using multiple transformations, the considered system is transferred to a new interconnected system with an appropriate structure to facilitate the sliding surface design and the design of a decentralized controller. A set of conditions is proposed to guarantee that the designed controller drives the tracking errors onto the sliding surface. The sliding motion exhibited by the error dynamics is uniformly ultimately bounded. The developed results are applied to a river quality control problem. Simulation results show that the proposed decentralized control strategy is effective and feasible.

Type: Proceedings paper
Title: Decentralized Sliding Mode Control for Output Tracking of Large-Scale Interconnected Systems
Event: 2021 60th IEEE Conference on Decision and Control (CDC)
Dates: 14 Dec 2021 - 17 Dec 2021
ISBN-13: 9781665436595
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/CDC45484.2021.9683544
Publisher version: https://doi.org/10.1109/CDC45484.2021.9683544
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: State feedback, Uncertainty, Tracking, Surface contamination, Simulation, Decentralized control, Interconnected systems
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10146142
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