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Dynamical Output Feedback Variable Structure Control

Yan, Xinggang and Spurgeon, Sarah K. and Edwards, Christopher (2017) Dynamical Output Feedback Variable Structure Control. In: Yan, Xinggang and Spurgeon, Sarah K. and Edwards, Christopher, eds. Variable Structure Control of Complex Systems: Analysis and Design. Communications and Control Engineering . Springer, pp. 81-111. ISBN 978-3-319-48961-2. E-ISBN 978-3-319-48962-9. (doi:10.1007/978-3-319-48962-9_4) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:69522)

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https://doi.org/10.1007/978-3-319-48962-9_4

Abstract

Chapter 4 considers dynamical output feedback control design for systems with mismatched uncertainties/disturbances. Compared with Chapter 3, all the uncertainties involved in this chapter are bounded by nonlinear functions of the system state variables instead of the output variables. The bounding functions are assumed to be known and thus it is possible to use them for system analysis and control design to reduce the effects of uncertainties on the systems. A sliding surface is designed which is independent of the designed observer, and then a sliding mode control is synthesised based on the designed observer and system outputs. The controller design and the observer design are separated which means that the designed controller can be used with any observer but the developed approach requires that the considered system is minimum phase. In a second approach, a dynamical compensator is designed first. A sliding surface is then designed for the augmented system formed by the considered system and the error dynamics. It is not required that the nominal system is minimum phase. Applications to control of the High Incidence Research Model (HIRM) aircraft are given. Both longitudinal and lateral aircraft dynamics based on different trim values of Mach number and height are employed in the simulation study.

Item Type: Book section
DOI/Identification number: 10.1007/978-3-319-48962-9_4
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Xinggang Yan
Date Deposited: 11 Oct 2018 11:42 UTC
Last Modified: 16 Feb 2021 13:58 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/69522 (The current URI for this page, for reference purposes)

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