A New SSUKF Observer for Sliding Mode Force Tracking H<inf>∞</inf> Control of Electrohydraulic Active Suspension

Zhang, J; Ding, F; Zhang, N; Chen, S; Zhang, B

A New SSUKF Observer for Sliding Mode Force Tracking H<inf>∞</inf> Control of Electrohydraulic Active Suspension

Zhang, J Ding, F Zhang, N

Chen, S Zhang, B

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Publication Type:: Journal Article
Citation:: Asian Journal of Control, 2018
Issue Date:: 2018-01-01

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Field	Value	Language
dc.contributor.author	Zhang, J	en_US
dc.contributor.author	Ding, F	en_US
dc.contributor.author	Zhang, N https://orcid.org/0000-0001-6408-0044	en_US
dc.contributor.author	Chen, S	en_US
dc.contributor.author	Zhang, B	en_US
dc.date.issued	2018-01-01	en_US
dc.identifier.citation	Asian Journal of Control, 2018	en_US
dc.identifier.issn	1561-8625	en_US
dc.identifier.uri	http://hdl.handle.net/10453/134789
dc.description.abstract	© 2018 Chinese Automatic Control Society and John Wiley & Sons Australia, Ltd Compared to passive and semi-active suspensions, active suspensions have the capacity to overcome the tradeoff design of vehicle ride comfort and handling performance. In this paper, a new control system with modified spherical simplex UKF (SSUKF) observer and sliding mode force tracker is proposed for electrohydraulic active suspensions. The estimated states obtained from the SSUKF observer are used to derive the mode energy of body motion and design the target demanded forces for suspension actuators. A sliding mode controller is presented to drive electrohydraulic actuators to track the demanded forces. Based on a robust H∞ control method, a new control strategy depending on body mode energy is proposed to restrict body motion. The performance comparisons between passive and active suspensions under three typical excitations are presented, and the obtained results indicate that the proposed control system can significantly depress body motion and decrease the mode energy to improve ride comfort and also effectively enhance the road hold abilities.	en_US
dc.relation.ispartof	Asian Journal of Control	en_US
dc.relation.isbasedon	10.1002/asjc.1944	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	Industrial Engineering & Automation	en_US
dc.title	A New SSUKF Observer for Sliding Mode Force Tracking H<inf>∞</inf> Control of Electrohydraulic Active Suspension	en_US
dc.type	Journal Article
utslib.for	0910 Manufacturing Engineering	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	0913 Mechanical 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.publication-status	Published	en_US

Abstract:

© 2018 Chinese Automatic Control Society and John Wiley & Sons Australia, Ltd Compared to passive and semi-active suspensions, active suspensions have the capacity to overcome the tradeoff design of vehicle ride comfort and handling performance. In this paper, a new control system with modified spherical simplex UKF (SSUKF) observer and sliding mode force tracker is proposed for electrohydraulic active suspensions. The estimated states obtained from the SSUKF observer are used to derive the mode energy of body motion and design the target demanded forces for suspension actuators. A sliding mode controller is presented to drive electrohydraulic actuators to track the demanded forces. Based on a robust H∞ control method, a new control strategy depending on body mode energy is proposed to restrict body motion. The performance comparisons between passive and active suspensions under three typical excitations are presented, and the obtained results indicate that the proposed control system can significantly depress body motion and decrease the mode energy to improve ride comfort and also effectively enhance the road hold abilities.

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http://hdl.handle.net/10453/134789