Comfort-oriented vehicle suspension design with skyhook inerter configuration

This paper is concerned with the comfort-oriented vehicle suspension design problem by using a skyhook inerter configuration. The rationale of the skyhook inerter is to use a grounded inerter to virtually increase the sprung mass of a vehicle, as it is analytically demonstrated that increasing the s...

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Bibliographic Details
Published inJournal of sound and vibration Vol. 405; pp. 34 - 47
Main Authors Hu, Yinlong, Chen, Michael Z.Q., Sun, Yonghui
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier Ltd 29.09.2017
Elsevier Science Ltd
Subjects
Active control
Chatter
Computer simulation
Configuration management
Configurations
Damping
Feedback control systems
Inerter
Magnetic levitation systems
Passenger comfort
Ride comfort
Semi-active control
Simulation
Skyhook control
Suspension
Ride comfort
Skyhook control
Suspension
Inerter
Semi-active control
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Summary:This paper is concerned with the comfort-oriented vehicle suspension design problem by using a skyhook inerter configuration. The rationale of the skyhook inerter is to use a grounded inerter to virtually increase the sprung mass of a vehicle, as it is analytically demonstrated that increasing the sprung mass can always improve the ride comfort performance. Semi-active means to realize the skyhook inerter configuration are investigated by using semi-active inerters. Three control laws, that is the on-off control, the anti-chatter on-off control, and the continuous control, are proposed for the semi-active inerter to approximate the skyhook inerter. Numerical simulations are performed to demonstrate the effectiveness and performances of these control laws. It is shown that the semi-active realizations of the skyhook inerter by using the proposed control laws can achieve over 10% improvement compared with the traditional strut, and similar performances are obtained for these control laws, with slight differences with respect to different static stiffnesses of the suspension system. •Comfort-oriented vehicle suspension design problem is studied.•Skyhook inerter is proposed by using the simulated-mass property of inerter.•The proposed skyhook inerter is to virtually increase the sprung mass of a vehicle.•Semi-active inerters are employed to realize the skyhook inerter configuration.•Effectiveness and performance benefit are demonstrated via numerical simulations.
ISSN:0022-460X
1095-8568
DOI:10.1016/j.jsv.2017.05.036