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Integrated variable speed-fuzzy PWM control for ride height adjustment of active air suspension systems
Zhao J.1; Wong P.K.1; Xie Z.1; Wei C.1; He F.2
2015
Conference NameAmerican Control Conference
Source PublicationProceedings of the American Control Conference
Volume2015-July
Pages5700-5705
Conference DateJUL 01-03, 2015
Conference PlaceChicago, IL
Abstract

This paper focuses on the ride height (RH) adjustment of an active air suspension on the basis of a variable speed-fuzzy PWM control method. Firstly, an active air suspension (AAS) system, which consists of an inflatable air spring (IAS) model and a hydraulic damper model, is constructed. Then, a fuzzy control method is integrated with the pulse width modulation (PWM) method to realize the RH adjustment. Moreover, a Proportion Integration Differentiation (PID) tuning method is employed to fasten the speed of the air charging and discharging operation of the IAS model. To further solve the conflicts between the ride comfort and the road holding capacity, a sliding mode control (SMC) is utilized for the hydraulic damper. Numerical results show that, the RH adjustment under static and dynamic situation are well performed with the proposed method. In addition, the compromise between the ride comfort and road holding capacity is also satisfied with the SMC control algorithm.

DOI10.1109/ACC.2015.7172232
URLView the original
Indexed BySCI
Language英语
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic
WOS IDWOS:000370259205132
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Citation statistics
Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Affiliation1.Universidade de Macau
2.Guizhou University
Recommended Citation
GB/T 7714
Zhao J.,Wong P.K.,Xie Z.,et al. Integrated variable speed-fuzzy PWM control for ride height adjustment of active air suspension systems[C],2015:5700-5705.
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