Dynamic Stability of Electrostatic Torsional Actuators with van Der Waals Effect

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	Dynamic Stability of Electrostatic Torsional Actuators with van Der Waals Effect
	Guo JG(郭建刚); Zhao YP(赵亚溥)
刊名	International Journal of Solids and Structures
	2006
通讯作者邮箱	yzhao@lnm.imech.ac.cn
卷号	43 期号:3-4 页码:675–685
ISSN号	0020-7683
通讯作者	Zhao, YP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China.
中文摘要	electrostatic torsional nano-electro-mechanical systems (NEMS) actuators is analyzed in the paper. The dependence of the critical tilting angle and voltage is investigated on the sizes of structure with the consideration of vdW effects. The pull-in phenomenon without the electrostatic torque is studied, and a critical pull-in gap is derived. A dimensionless equation of motion is presented, and the qualitative analysis of it shows that the equilibrium points of the corresponding autonomous system include center points, stable focus points, and unstable saddle points. The Hopf bifurcation points and fork bifurcation points also exist in the system. The phase portraits connecting these equilibrium points exhibit periodic orbits, heteroclinic orbits, as well as homoclinic orbits.
学科主题	力学
类目[WOS]	Mechanics
研究领域[WOS]	Mechanics
关键词[WOS]	PULL-IN ; FORCE ; MEMS ; BEHAVIOR ; SWITCH ; MODEL
收录类别	SCI
语种	英语
WOS记录号	WOS:000234369600015
公开日期	2007-06-15 ; 2007-12-05 ; 2009-06-23
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/17171]
专题	力学研究所_力学所知识产出(1956-2008)
推荐引用方式 GB/T 7714	Guo JG,Zhao YP. Dynamic Stability of Electrostatic Torsional Actuators with van Der Waals Effect[J]. International Journal of Solids and Structures,2006,43(3-4):675–685.
APA	郭建刚,&赵亚溥.(2006).Dynamic Stability of Electrostatic Torsional Actuators with van Der Waals Effect.International Journal of Solids and Structures,43(3-4),675–685.
MLA	郭建刚,et al."Dynamic Stability of Electrostatic Torsional Actuators with van Der Waals Effect".International Journal of Solids and Structures 43.3-4(2006):675–685.