NDLI: Research on Nonlinear Dynamic Characteristics of Semi-active Suspension System with SMA Spring

Content Provider	IEEE Xplore Digital Library
Author	Zhi-Wen Zhu Zhong-Biao Gou Jia Xu Hong-Li Wang
Copyright Year	2008
Description	Author affiliation: Coll. of Mech. Eng., Tianjin Univ., Tianjin (Zhi-Wen Zhu; Zhong-Biao Gou; Jia Xu; Hong-Li Wang)
Abstract	In this paper, the nonlinear dynamic characteristics of vehicle semi-active suspension system with SMA spring was studied. SMA spring was applied in semi-active suspension system to substitute ER and MR fluid to provide controllable force. Hysteretic cycle and multinomial model were introduced to set up a new kind of continuous SMA strain-stress-temperature model, based on which the nonlinear dynamic model of vehicle semi-active suspension system with SMA spring was set up. The first-order nonlinear approximate solution of suspension system was given, and based on which the stability and bifurcation characteristic of suspension system were analyzed. The result of analysis shows that the nonlinear stiffness parameters can not cause the bifurcation of suspension system, and the qualitative change of the dynamic characteristic of suspension system has relationship with the nonlinear damping parameters. Finally, the result of analysis was proved by simulation.
Starting Page	688
Ending Page	692
File Size	898118
Page Count	5
File Format	PDF
ISBN	9780769533575
DOI	10.1109/ICICTA.2008.169
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluid dynamics hysteretic nonlinearity Bifurcation Control systems Nonlinear dynamical systems Semi-active Suspension Vehicle dynamics Vehicles bifurcation Shape memory alloy Springs Force control Erbium Hysteresis
Content Type	Text
Resource Type	Article

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