H<inf>∞</inf> control of active vehicle suspensions with actuator time delay

Du, H; Zhang, N

H<inf>∞</inf> control of active vehicle suspensions with actuator time delay

Du, H

Zhang, N

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Publication Type:: Journal Article
Citation:: Journal of Sound and Vibration, 2007, 301 (1-2), pp. 236 - 252
Issue Date:: 2007-03-20

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Field	Value	Language
dc.contributor.author	Du, H https://orcid.org/0000-0002-3439-3821	en_US
dc.contributor.author	Zhang, N https://orcid.org/0000-0001-6408-0044	en_US
dc.date.issued	2007-03-20	en_US
dc.identifier.citation	Journal of Sound and Vibration, 2007, 301 (1-2), pp. 236 - 252	en_US
dc.identifier.issn	0022-460X	en_US
dc.identifier.uri	http://hdl.handle.net/10453/372
dc.description.abstract	The paper deals with the H∞ control problem for active vehicle suspension systems with actuator time delay. The time delay for the actuator is assumed as uncertain time-invariant but has a known constant bound. By suitably formulating the sprung mass acceleration, suspension deflection and tyre deflection as the optimization object and considering the actuator time delay, a delay-dependent memoryless state feedback H∞ controller is designed in terms of the feasibility of certain delay-dependent matrix inequalities. A quarter-car model with active suspension system is considered in this paper and a numerical example is employed to illustrate the effectiveness of the proposed approach. It is confirmed by the simulations that the designed controller not only can achieve the optimal performance for active suspensions but also preserves the closed-loop stability in spite of the existence of the actuator time delay within allowable bound. © 2006 Elsevier Ltd. All rights reserved.	en_US
dc.relation.ispartof	Journal of Sound and Vibration	en_US
dc.relation.isbasedon	10.1016/j.jsv.2006.09.022	en_US
dc.subject.classification	Acoustics	en_US
dc.title	H<inf>∞</inf> control of active vehicle suspensions with actuator time delay	en_US
dc.type	Journal Article
utslib.citation.volume	1-2	en_US
utslib.citation.volume	301	en_US
utslib.for	0913 Mechanical Engineering	en_US
utslib.for	02 Physical Sciences	en_US
utslib.for	09 Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Mechanical and Mechatronic Engineering
utslib.copyright.status	closed_access
pubs.issue	1-2	en_US
pubs.publication-status	Published	en_US
pubs.volume	301	en_US

Abstract:

The paper deals with the H∞ control problem for active vehicle suspension systems with actuator time delay. The time delay for the actuator is assumed as uncertain time-invariant but has a known constant bound. By suitably formulating the sprung mass acceleration, suspension deflection and tyre deflection as the optimization object and considering the actuator time delay, a delay-dependent memoryless state feedback H∞ controller is designed in terms of the feasibility of certain delay-dependent matrix inequalities. A quarter-car model with active suspension system is considered in this paper and a numerical example is employed to illustrate the effectiveness of the proposed approach. It is confirmed by the simulations that the designed controller not only can achieve the optimal performance for active suspensions but also preserves the closed-loop stability in spite of the existence of the actuator time delay within allowable bound. © 2006 Elsevier Ltd. All rights reserved.

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http://hdl.handle.net/10453/372