Nonlinear stiffness of a magneto-rheological damper

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	Nonlinear stiffness of a magneto-rheological damper
	Guo, DL; Hu, HY
发表期刊	NONLINEAR DYNAMICS
	2005-05-01
卷号	40 期号:3 页码:241-249
文章类型	Article
摘要	The last decade has witnessed an important role of magneto-rheological dampers in the semi-active vibration control on the basis of empirical models. Those models established by fitting experimental data, however, do not offer any explicit expressions for the stiffness and the damping of magneto-rheological dampers. Hence, it is not easy for engineers to get any intuitive information about the effects of stiffness and damping of a magneto-rheological damper on the dynamic performance of a controlled system. To manifest the nonlinear properties of a magneto-rheological damper, this paper presents the hysteretic phenomena and the additional nonlinear stiffness of a typical magneto-rheological damper in terms of equivalent linear stiffness and equivalent linear damping. Then, it gives a brief discussion about the effect of nonlinear stiffness on the vibration control through the numerical simulations and an experiment for the semi-active suspension of a quarter car model with a magneto-rheological damper installed. Both numerical simulations and experimental results show that the additional nonlinear stiffness in the magneto-rheological damper is remarkable, and should be taken into consideration in the design of vibration control.
关键词	Additional Stiffness Equivalent Damping Equivalent Stiffness Hysteresis Magneto-rheological Damper
WOS标题词	Science & Technology ; Technology
关键词[WOS]	ELECTRORHEOLOGICAL FLUIDS
收录类别	SCI
语种	英语
WOS研究方向	Engineering ; Mechanics
WOS类目	Engineering, Mechanical ; Mechanics
WOS记录号	WOS:000227959900003
引用统计	被引频次：39[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ia.ac.cn/handle/173211/9155
专题	09年以前成果
作者单位	1.Nanjing Univ Aeronaut & Astronaut, Aeronaut Sci Key Lab Smart Mat & Struct, Nanjing 210016, Peoples R China 2.Chinese Acad Sci, Inst Automat, Lab Complex Syst & Intelligence Sci, Beijing 100080, Peoples R China
推荐引用方式 GB/T 7714	Guo, DL,Hu, HY. Nonlinear stiffness of a magneto-rheological damper[J]. NONLINEAR DYNAMICS,2005,40(3):241-249.
APA	Guo, DL,&Hu, HY.(2005).Nonlinear stiffness of a magneto-rheological damper.NONLINEAR DYNAMICS,40(3),241-249.
MLA	Guo, DL,et al."Nonlinear stiffness of a magneto-rheological damper".NONLINEAR DYNAMICS 40.3(2005):241-249.

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