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Design and analysis of an integrated sliding mode control–two-point wheelbase preview strategy for a semi-active air suspension with stepper motor-driven gas-filled adjustable shock absorber
Zhao J.2; Wong P.K.3; Ma X.3; Xie Z.1
2018-10-01
Source PublicationProceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering
ISSN20413041 09596518
Volume232Issue:9Pages:1194-1211
Abstract

This article proposes an integrated sliding mode control–two-point wheelbase preview strategy for semi-active air suspension system with gas-filled adjustable shock absorber. First of all, a vehicle suspension model with rolling lobe air spring and gas-filled adjustable shock absorber is built, following with a road input model for the front wheel. By describing the detailed structure and working process of the gas-filled adjustable shock absorber, the regulating mechanism between the stepper motor and the designed gas-filled adjustable shock absorber is established. Subsequently, the sliding mode control algorithm is applied to generate the desired damping force with the real-time state of the vehicle. Moreover, to predetermine the road profile for the rear wheel, a two-point wheelbase preview approach is proposed and its superiority is also illustrated as compared with the conventional single-point wheelbase preview approach. To evaluate the performance of the proposed system, numerical analysis is conducted with other three comparative schemes, namely, passive suspension system, active suspension system with H infinity control, and sliding mode control–controlled semi-active air suspension system with adjustable shock absorber. Simulation results show that the integrated sliding mode control–two-point wheelbase preview strategy can be successfully utilized in the semi-active air suspension system with stepper motor-driven gas-filled adjustable shock absorber, and the vehicle performance with the proposed system can be greatly improved.

KeywordGas-filled Adjustable Shock Absorber Multi-point Wheelbase Preview Semi-active Air Suspension Sliding-mode Control
DOIhttp://doi.org/10.1177/0959651818778217
URLView the original
Indexed BySCI
Language英语
WOS Research AreaAutomation & Control Systems
WOS SubjectAutomation & Control Systems
WOS IDWOS:000446345100008
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Cited Times [WOS]:18   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Corresponding AuthorWong P.K.
Affiliation1.South China University of Technology
2.Guangdong University of Technology
3.Universidade de Macau
Recommended Citation
GB/T 7714
Zhao J.,Wong P.K.,Ma X.,et al. Design and analysis of an integrated sliding mode control–two-point wheelbase preview strategy for a semi-active air suspension with stepper motor-driven gas-filled adjustable shock absorber[J]. Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering,2018,232(9):1194-1211.
APA Zhao J.,Wong P.K.,Ma X.,&Xie Z..(2018).Design and analysis of an integrated sliding mode control–two-point wheelbase preview strategy for a semi-active air suspension with stepper motor-driven gas-filled adjustable shock absorber.Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering,232(9),1194-1211.
MLA Zhao J.,et al."Design and analysis of an integrated sliding mode control–two-point wheelbase preview strategy for a semi-active air suspension with stepper motor-driven gas-filled adjustable shock absorber".Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering 232.9(2018):1194-1211.
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