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	Dynamic analysis of deployable structures with clearance connections
	Yan, SZ ; Zhang, L ; Shen, YS
	2010-05-10 ; 2010-05-10 ; OCT 26-28, 2005
会议名称	Proceedings of the International Conference on Mechanical Engineering and Mechanics 2005, Vols 1 and 2 ; International Conference on Mechanical Engineering and Mechanics ; Nanjing, PEOPLES R CHINA ; Web of Science
关键词	deployable structure clearance connection flexible body impact contact multibody system dynamics MULTIBODY SYSTEMS JOINTS IMPACT TRUSS Engineering, Multidisciplinary Mechanics
中文摘要	Clearances of joints and flexibility of members must be considered in modelling dynamic equations to accurately indicate dynamic performances of deployable structures used for spacecrafts in orbit. In this paper, a circle-cylinder impact pair is presented to describe the spatial revolute joint with clearance. Dynamic formulations of deployable structures are developed using the impact pair model of clearance connections. An example simulation is performed to demonstrate dynamic performances of a typical deployable structure with clearance connections and flexible members. The simulation results show that the dynamic performances of the structure are greatly influenced by the clearance and flexibility of members during its deploying. At beginning, there are bigger contact forces, and then come into inner impacts in the clearance joint continuously. In addition, the joint clearance can cause the disturbance on the deployment angle of the deployable structure and attitude angular velocity of the main body.; Nanjing Univ Sci & Technol
会议录出版者	SCIENCE PRESS BEIJING ; BEIJING ; 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100707, PEOPLES R CHINA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19331]
专题	清华大学
推荐引用方式 GB/T 7714	Yan, SZ,Zhang, L,Shen, YS. Dynamic analysis of deployable structures with clearance connections[C]. 见:Proceedings of the International Conference on Mechanical Engineering and Mechanics 2005, Vols 1 and 2, International Conference on Mechanical Engineering and Mechanics, Nanjing, PEOPLES R CHINA, Web of Science.

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