A general method for kinematics analysis of two-layer and two-loop deployable linkages with coupling chains

被引：11
作者：
Cao, Wen-ao [1 ]
Jing, Ziqiang [1 ]
Ding, Huafeng [1 ]
机构：
[1] China Univ Geosci Wuhan, Sch Mech Engn & Elect Informat, Wuhan 430074, Peoples R China
来源：
MECHANISM AND MACHINE THEORY | 2020年 / 152卷 / 152期
基金：
中国国家自然科学基金;
关键词：
Deployable mechanism; Type synthesis; Kinematics; Spatial linkage; Coupling chain; STRUCTURAL SYNTHESIS; SPATIAL MECHANISMS; FAMILY;
D O I：
10.1016/j.mechmachtheory.2020.103945
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Two-layer and two-loop deployable linkages with coupling chains are new deployable units developed in the past two years for constructing umbrella-shaped deployable mechanisms. However, a method for kinematics analysis of the class of linkages has not been established, which leads to the problem that further performance analysis and dimensional design of them have not been performed. In this paper, first, the remaining new two-layer and two-loop deployable linkage units are systematically synthesized. Moreover, a general method is developed for kinematic analysis of all kinds of those units based on their structural characteristics and motion characteristics. In addition, the complexity of kinematics analysis of those linkage units is evaluated. Such a method lays a key foundation for dynamics analysis, dimensional design and structure optimization of two-layer and two-loop deployable linkage units and umbrella-shaped deployable mechanisms based on those units. (C) 2020 Published by Elsevier Ltd.
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页数：17
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