17 April 2017 DEMES rotary joint: theories and applications
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Abstract
As a kind of dielectric elastomer actuators, dielectric elastomer minimum energy structure (DEMES) can realize large angular deformations by small voltage-induced strains, which make them an attractive candidate for use as biomimetic robotics. Considering the rotary joint is a basic and common component of many biomimetic robots, we have been fabricated rotary joint by DEMES and developed its performances in the past two years. In this paper, we have discussed the static analysis, dynamics analysis and some characteristics of the DEMES rotary joint. Based on theoretical analysis, some different applications of the DEMES rotary joint were presented, such as a flapping wing, a biomimetic fish and a two-legged walker. All of the robots are fabricated by DEMES rotary joint and can realize some basic biomimetic motions. Comparing with traditional rigid robot, the robot based on DEMES is soft and light, so it has advantage on the collision-resistant.
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Shu Wang, Zhaogang Hao, Mingyu Li, Bo Huang, Lining Sun, Jianwen Zhao, "DEMES rotary joint: theories and applications", Proc. SPIE 10163, Electroactive Polymer Actuators and Devices (EAPAD) 2017, 101630O (17 April 2017); doi: 10.1117/12.2258208; https://doi.org/10.1117/12.2258208
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