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Knitting and weaving artificial muscles
Linköping University, Faculty of Science & Engineering. Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics.
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Management and Engineering, Solid Mechanics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-9891-6783
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2017 (English)In: Science Advances, ISSN 2375-2548, Vol. 3, no 1, article id e1600327Article in journal (Refereed) Published
Abstract [en]

A need exists for artificial muscles that are silent, soft, and compliant, with performance characteristics similar to those of skeletal muscle, enabling natural interaction of assistive devices with humans. By combining one of humankind’s oldest technologies, textile processing, with electroactive polymers, we demonstrate here the feasibility of wearable, soft artificial muscles made by weaving and knitting, with tunable force and strain. These textile actuators were produced from cellulose yarns assembled into fabrics and coated with conducting polymers using a metal-free deposition. To increase the output force, we assembled yarns in parallel by weaving. The force scaled linearly with the number of yarns in the woven fabric. To amplify the strain, we knitted a stretchable fabric, exhibiting a 53-fold increase in strain. In addition, the textile construction added mechanical stability to the actuators. Textile processing permits scalable and rational production of wearable artificial muscles, and enables novel ways to design assistive devices.

Place, publisher, year, edition, pages
AMER ASSOC ADVANCEMENT SCIENCE , 2017. Vol. 3, no 1, article id e1600327
Keyword [en]
Artificial muscles; advanced textile technology; Conducting Polymers; soft robotics; actuators
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-135495DOI: 10.1126/sciadv.1600327ISI: 000393789900001OAI: oai:DiVA.org:liu-135495DiVA, id: diva2:1082272
Note

Funding agencies: Carl Trygger Foundation [CTS 12:206]; Swedish Research Council [VR-2014-3079]; Smart Textiles Initiative (VINNOVA); COST Action [MP1003]; EU [625923 POLYACT]; European Commission; Linkoping University; University of Boras;  [COST-STSM-MP1003-17356]

Available from: 2017-03-16 Created: 2017-03-16 Last updated: 2018-03-26

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Maziz, AliKhaldi, AlexandreStålhand, JonasJager, Edwin
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