Design of the output sliding mode controller for MI non-linear perturbed systems

Yaote Chang; Jyh-Horng Chou

Design of the output sliding mode controller for MI non-linear perturbed systems

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Author(s): Yaote Chang ¹ and Jyh-Horng Chou ^{2, 3}
- Affiliations: 1: Electrical Engineering, Kao Yuan University, 1821 Jhongshan Road, Kaohsiung 82151, Taiwan ;
  2: Department of Healthcare Administration and Medical Informatics, Kaohsiung Medical University, 100 Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan ;
  3: Department of Electrical Engineering, National Kaohsiung University of Applied Sciences, 415 Chien-Kung Road, Kaohsiung 807, Taiwan
Source: Volume 10, Issue 7, 25 April 2016, p. 806 – 813
DOI: 10.1049/iet-cta.2015.0783 , Print ISSN 1751-8644, Online ISSN 1751-8652

Received 12/08/2015, Accepted 12/01/2016, Revised 01/12/2015, Published 25/04/2016

An output sliding mode controller for a class of multi-input non-linear systems with non-linear mismatched perturbations is proposed by using the Lyapunov stability theorem to solve the regulation problems. An auxiliary dynamic equation is used to estimate unknown states and to depress non-linear perturbations in the control system. Design variables embedded in the auxiliary equation are utilised in the novel sliding surface so that asymptotic stability of controlled system can be achieved when the system is in the sliding mode. Finally, the feasibility of the proposed methodology is demonstrated in two examples, including a servo position control system.

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Design of the output sliding mode controller for MI non-linear perturbed systems

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