Modeling and modal analysis of multi-body truck system fitted with hydraulically interconnected suspension

Ding, F; Zhang, N; Han, X

Modeling and modal analysis of multi-body truck system fitted with hydraulically interconnected suspension

Ding, F Zhang, N

Han, X

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Publication Type:: Journal Article
Citation:: Jixie Gongcheng Xuebao/Journal of Mechanical Engineering, 2012, 48 (6), pp. 116 - 123
Issue Date:: 2012-03-20

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Field	Value	Language
dc.contributor.author	Ding, F	en_US
dc.contributor.author	Zhang, N https://orcid.org/0000-0001-6408-0044	en_US
dc.contributor.author	Han, X	en_US
dc.date.issued	2012-03-20	en_US
dc.identifier.citation	Jixie Gongcheng Xuebao/Journal of Mechanical Engineering, 2012, 48 (6), pp. 116 - 123	en_US
dc.identifier.issn	0577-6686	en_US
dc.identifier.uri	http://hdl.handle.net/10453/114908
dc.description.abstract	A novel hydraulically interconnected suspension system is proposed for compromising the control between the pitch and bounce mode of sprung mass. Based on the transfer matrix method, the impedance matrix of hydraulic subsystem is derived, and the mechanical and hydraulic coupled multi-body dynamic equations are then obtained. An eigenvalue iteration identification method for frequency dependent system characteristic equation is developed based on numerical optimization, and the validity of this method is then verified. By applying the theory of complex mode, the comparison analysis of vibration of sprung mass is carried out between the tri-axle truck with a convention suspension and that fitted with the hydraulically interconnected suspension system. The obtained results indicate that the anti-oppositional hydraulically interconnected suspension system is able to effectively reduce the pitch motion of sprung mass in pitch plane, and simultaneously maintain the ride comfort performance. The pitch stiffness is increased while the bounce stiffness is slightly softened. The peak values of sprung mass and wheel hop motions are greatly reduced, and the vibration decay rate of sprung mass is also significantly increased. © 2012 Journal of Mechanical Engineering.	en_US
dc.relation.ispartof	Jixie Gongcheng Xuebao/Journal of Mechanical Engineering	en_US
dc.relation.isbasedon	10.3901/JME.2012.06.116	en_US
dc.subject.classification	Mechanical Engineering & Transports	en_US
dc.title	Modeling and modal analysis of multi-body truck system fitted with hydraulically interconnected suspension	en_US
dc.type	Journal Article
utslib.citation.volume	6	en_US
utslib.citation.volume	48	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.issue	6	en_US
pubs.publication-status	Published	en_US
pubs.volume	48	en_US

Abstract:

A novel hydraulically interconnected suspension system is proposed for compromising the control between the pitch and bounce mode of sprung mass. Based on the transfer matrix method, the impedance matrix of hydraulic subsystem is derived, and the mechanical and hydraulic coupled multi-body dynamic equations are then obtained. An eigenvalue iteration identification method for frequency dependent system characteristic equation is developed based on numerical optimization, and the validity of this method is then verified. By applying the theory of complex mode, the comparison analysis of vibration of sprung mass is carried out between the tri-axle truck with a convention suspension and that fitted with the hydraulically interconnected suspension system. The obtained results indicate that the anti-oppositional hydraulically interconnected suspension system is able to effectively reduce the pitch motion of sprung mass in pitch plane, and simultaneously maintain the ride comfort performance. The pitch stiffness is increased while the bounce stiffness is slightly softened. The peak values of sprung mass and wheel hop motions are greatly reduced, and the vibration decay rate of sprung mass is also significantly increased. © 2012 Journal of Mechanical Engineering.

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http://hdl.handle.net/10453/114908