Sliding mode observers for a class of LPV systems

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dc.contributor.authorChen, Lejun
dc.contributor.authorEdwards, C.
dc.contributor.authorAlwi, H.
dc.date.accessioned2020-03-06T10:24:39Z
dc.date.available2020-03-06T10:24:39Z
dc.date.issued2020-03-04
dc.description.abstractIn this paper, a new framework for the synthesis of a class of sliding mode observers for affine linear parameter varying (LPV) systems is proposed. The sliding mode observer is synthesized by selecting the design freedom via LMIs. Posing the problem from a small gain perspective allows existing numerical techniques from the literature to be used for the purpose of synthesizing the observer gains. In particular, the framework allows affine parameterdependent Lyapunov functions to be considered for analyzing the stability of the state estimation error dynamics, to help reduce design conservatism. Initially a variable structure observer formulation is proposed, but by imposing further constraints on the LMIs, a stable sliding mode is introduced, which can force and maintain the output estimation error to be zero in finite time. The efficacy of the scheme is demonstrated using an LPV model of the short period dynamics of an aircraft and demonstrates simultaneous asymptotic estimation of the states and disturbances.en_UK
dc.identifier.citationChen L, Edwards C, Alwi H. (2020) Sliding mode observers for a class of LPV systems. International Journal of Robust and Nonlinear Control, Volume 30, Issue 8, May 2020, pp. 3134-3148en_UK
dc.identifier.issn1049-8923
dc.identifier.urihttps://doi.org/10.1002/rnc.4951
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15242
dc.language.isoenen_UK
dc.publisherWileyen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectSliding mode observeren_UK
dc.subjectLinear parameter-varyingen_UK
dc.subjectFault detection and diagnosisen_UK
dc.titleSliding mode observers for a class of LPV systemsen_UK
dc.typeArticleen_UK

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