Effect of Thermal and Mechanical Training in Twisted and Coiled Polymer Fiber (TCPF) Artificial Muscle for Improved Actuation Consistency

  • Bo Li
  • , Yakun Zhang
  • , Yu Zhang
  • , Yanjie Wang
  • , Alexey Formin
  • , Guimin Chen
  • , Yong Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Twisted and coiled polymer fiber (TCPF) is a new type of artificial muscles featuring large stroke and high loading capacity that can be benefited in soft robotic actuation. However, due to the multi-step fabrication process with various parameter, the existed TCPF suffers from an inconsistent actuation performance, which hinders its further application. The current paper studies the mechanics of TCPF actuation, revealing the significance of coiling and annealing procedure. Effect of twisting weight, annealing temperature and pre-stretch as mechanical and thermal training, are experimentally investigated, and the contraction forces are characterized. With these mechanical and thermal training, consistent and hysteresis-free contraction force is attain. The findings offer a guidance for the high-performance artificial muscle in compliant structures and tensegrity robot.

Original languageEnglish
Title of host publicationAdvances in Mechanism, Machine Science and Engineering in China - Proceedings of IFToMM CCMMS 2022
EditorsXinjun Liu
PublisherSpringer Science and Business Media Deutschland GmbH
Pages3-20
Number of pages18
ISBN (Print)9789811993978
DOIs
StatePublished - 2023
Event23rd IFToMM China International Conference on Mechanism and Machine Science and Engineering, IFToMM CCMMS 2022 - Yantai, China
Duration: 30 Jul 20221 Aug 2022

Publication series

NameLecture Notes in Mechanical Engineering
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

Conference23rd IFToMM China International Conference on Mechanism and Machine Science and Engineering, IFToMM CCMMS 2022
Country/TerritoryChina
CityYantai
Period30/07/221/08/22

Keywords

  • Artificial muscles
  • Soft actuator
  • Soft robot

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