Reviews

Research progress of electroactive polymer actuated biomimetic coloration in camouflage

  • LI Bo ,
  • WANG Yanjie ,
  • ZHAO Pengfei ,
  • LIU Lei ,
  • CHEN Hualing
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  • 1. School of Mechanical Engineering, Xi'an Jiaotong University;Key Lab of Intelligent Robot of Shanxi Province, Xi'an 710049, China;
    2. College of Mechanical and Electrical Engineering, Hohai University;Key Laboratory of Special Robot Technology of Jiangsu Province, Changzhou 213022, China;
    3. State Key Laboratory of Fluid Power and Mechanic Systems, Zhejiang University, Hangzhou 310027, China

Received date: 2018-03-09

  Revised date: 2018-05-09

  Online published: 2018-11-27

Abstract

The unique characteristic of biological coloration in nature provides inspiration for engineering. Electro-active polymer is a kind of soft smart material with electric field responsive deformation. It is flexible and its deformation process is similar to that of biological muscle, which is recognized as an ideal artificial muscle material. Therefore, the electrochromic technology based on electro-active polymers that has a biological characteristic close to living things is suitable for the application to complex structures, so as to provide a new direction for the development of next-generation camouflage technology. Firstly, this paper introduces the mechanism of color change in nature, stating the differences in chameleon and cephalopod. The limitations of the existing technology are summarized in terms of inconvenience in actuation and lack of flexibility. Then the paper introduces the mechanism of electrically induced deformation of electroactive polymer, analyzes the advances in electro-active polymer actuated color change, and compares the current technical characteristics. Moreover,the challenges in current research are pointed out as well. The application of this technique may promote the development of military camouflage which features the next generation of tri-co robot in environmental visual compatibility.

Cite this article

LI Bo , WANG Yanjie , ZHAO Pengfei , LIU Lei , CHEN Hualing . Research progress of electroactive polymer actuated biomimetic coloration in camouflage[J]. Science & Technology Review, 2018 , 36(21) : 99 -108 . DOI: 10.3981/j.issn.1000-7857.2018.21.013

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