This paper aims to construct a novel family of deployable mechanisms from a class of two-layer and two-loop spatial linkages, each of which consists of an eight revolute pair (8R) single-loop linkage connected by a 5R serial chain. First, structural characteristics of the class of linkages as deployable units are analyzed and illustrated. Then, the two-layer and two-loop spatial linkages with 5R chains satisfying the structural characteristics are systematically synthesized. Mobile assembly modes between deployable units are established based on degree-of-freedom (DOF) analysis. Finally, a family of single DOF deployable mechanisms is constructed based on the synthesized deployable units and the established assembly modes. The derived deployable mechanisms have the characteristic of the umbrella-like structure, and they have various mesh shapes, which can meet different kinds of application requirements.
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December 2017
Research-Article
A New Family of Deployable Mechanisms Derived From Two-Layer and Two-Loop Spatial Linkages With Five Revolute Pair Coupling Chains
Wen-ao Cao,
Wen-ao Cao
School of Mechanical Engineering and
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: cwao1986@163.com
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: cwao1986@163.com
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Donghao Yang,
Donghao Yang
School of Mechanical Engineering and
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: yangdh9311@163.com
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: yangdh9311@163.com
Search for other works by this author on:
Huafeng Ding
Huafeng Ding
School of Mechanical Engineering and
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: dhf@ysu.edu.cn
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: dhf@ysu.edu.cn
Search for other works by this author on:
Wen-ao Cao
School of Mechanical Engineering and
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: cwao1986@163.com
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: cwao1986@163.com
Donghao Yang
School of Mechanical Engineering and
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: yangdh9311@163.com
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: yangdh9311@163.com
Huafeng Ding
School of Mechanical Engineering and
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: dhf@ysu.edu.cn
Electronic Information,
China University of Geosciences (Wuhan),
No. 388 Lumo Road,
Wuhan 430074, China
e-mail: dhf@ysu.edu.cn
1Corresponding author.
Manuscript received December 19, 2016; final manuscript received September 21, 2017; published online October 20, 2017. Assoc. Editor: Shaoping Bai.
J. Mechanisms Robotics. Dec 2017, 9(6): 061016 (11 pages)
Published Online: October 20, 2017
Article history
Received:
December 19, 2016
Revised:
September 21, 2017
Citation
Cao, W., Yang, D., and Ding, H. (October 20, 2017). "A New Family of Deployable Mechanisms Derived From Two-Layer and Two-Loop Spatial Linkages With Five Revolute Pair Coupling Chains." ASME. J. Mechanisms Robotics. December 2017; 9(6): 061016. https://doi.org/10.1115/1.4038065
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