Performance improvement of planar dielectric elastomer actuators by magnetic modulating mechanism

被引：8

作者：

Zhao, Yun-Hua ^{[1
]}

Li, Wen-Bo ^{[1
]}

Zhang, Wen-Ming ^{[1
]}

Yan, Han ^{[1
]}

Peng, Zhi-Ke ^{[1
]}

Meng, Guang ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mech Engn, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China

来源：

SMART MATERIALS AND STRUCTURES | 2018年 / 27卷 / 06期

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

dielectric elastomer actuator; magnetic modulating; actuation range; output force; ENERGY; STRAIN; DRIVEN;

D O I：

10.1088/1361-665X/aabb6c

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this paper, a novel planar dielectric elastomer actuator (DEA) with magnetic modulating mechanism is proposed. This design can provide the availability of wider actuation range and larger output force, which are significant indicators to evaluate the performance of DEAs. The DEA tends to be a compact and simple design, and an analytical model is developed to characterize the mechanical behavior. The result shows that the output force induced by the DEA can be improved by 76.90% under a certain applied voltage and initial magnet distance. Moreover, experiments are carried out to reveal the performance of the proposed DEA and validate the theoretical model. It demonstrates that the DEA using magnetic modulating mechanism can enlarge the actuation range and has more remarkable effect with decreasing initial magnet distance within the stable range. It can be useful to promote the applications of DEAs to soft robots and haptic feedback.

引用

页数：11

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