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A study on matching and multi-objective fuzzy control strategy of heavy truck suspension system

Chen, Yikai, He, Jie, Li, Xuhong, Peng, Jie, & Gao, Meng-Qui (2008) A study on matching and multi-objective fuzzy control strategy of heavy truck suspension system. In Proceedings of the 2008 International Symposium on Computational Intelligence and Design, ISCID, 17-18 October 2008, Wuhan, China.

Abstract

Matching method of heavy truck-rear air suspensions is discussed, and a fuzzy control strategy which improves both ride comfort and road friendliness of truck by adjusting damping coefficients of the suspension system is found. In the first place, a Dongfeng EQ1141G7DJ heavy truck’s ten DOF whole vehicle-road model was set up based on Matlab/Simulink and vehicle dynamics. Then appropriate passive air suspensions were chosen to replace the original rear leaf springs of the truck according to truck-suspension matching criterions, consequently, the stiffness of front leaf springs were adjusted too. Then the semi-active fuzzy controllers were designed for further enhancement of the truck’s ride comfort and the road friendliness. After the application of semi-active fuzzy control strategy through simulation, is was indicated that both ride comfort and road friendliness could be enhanced effectively under various road conditions. The strategy proposed may provide theory basis for design and development of truck suspension system in China.

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ID Code: 27724
Item Type: Conference Paper
ISBN: 9781424440887
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > AUTOMOTIVE ENGINEERING (090200) > Automotive Mechatronics (090203)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Transport Engineering (090507)
Divisions: Current > Research Centres > Centre for Accident Research & Road Safety - Qld (CARRS-Q)
Copyright Owner: Copyright 2008 IEEE
Copyright Statement: ©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 02 Oct 2009 16:10
Last Modified: 11 Aug 2011 02:48

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