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题名: Constraint Force Analysis of Metamorphic Joints Based on the Augmented Assur Groups
作者: Li SJ(李树军); Wang HG(王洪光); Yang Q(杨强)
作者部门: 空间自动化技术研究室
关键词: metamorphic joints ; constraint forces ; augmented Assur groups ; metamorphic mechanism
刊名: CHINESE JOURNAL OF MECHANICAL ENGINEERING
ISSN号: 1000-9345
出版日期: 2015
卷号: 28, 期号:4, 页码:747-755
收录类别: SCI ; EI ; CSCD
产权排序: 2
项目资助者: National Natural Science Foundation of China [51175069, 51205052] ; State Key Laboratory of Robotics of China [2012-O16] ; Chinese National University, China [N140304004]
摘要: In order to obtain a simple way for the force analysis of metamorphic mechanisms, the systematic method to unify the force analysis approach of metamorphic mechanisms as that of conventional planar mechanisms is proposed. A force analysis method of metamorphic mechanisms is developed by transforming the augmented Assur groups into Assur groups, so that the force analysis problem of metamorphic mechanisms is converted into the force analysis problems of conventional planar mechanisms. The constraint force change rules and values of metamorphic joints are obtained by the proposed method, and the constraint force analysis equations of revolute metamorphic joints in augmented Assur group RRRR and prismatic metamorphic joints in augmented Assur group RRPR are deduced. The constraint force analysis is illustrated by the constrained spring force design of paper folding metamorphic mechanism, and its metamorphic working process is controlled by the spring force and geometric constraints of metamorphic joints. The results of spring force show that developped design method and approach are feasible and practical. By transforming augmented Assur groups into Assur groups, a new method for the constraint force analysis of metamorphic joints is proposed firstly to provide the basis for dynamic analysis of metamorphic mechanism.
语种: 英语
WOS记录号: WOS:000357845700010
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Mechanical
关键词[WOS]: MECHANISMS
研究领域[WOS]: Engineering
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/16839
Appears in Collections:空间自动化技术研究室_期刊论文

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