Journal Article10.1002/ADMA.201704407
Artificial Muscles: Mechanisms, Applications, and Challenges.
Seyed M. Mirvakili,Ian W. Hunter +1 more
874
TL;DR: The structure, actuation mechanism, applications, and limitations of recently developed artificial muscles, including highly oriented semicrystalline polymer fibers; nanocomposite actuators; twisted nanofiber yarns; thermally activated shape-memory alloys; ionic-polymer/metal composites; dielectric-elastomer actuator; and pneumatic actuators are discussed.
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Abstract: The area of artificial muscle is a highly interdisciplinary field of research that has evolved rapidly in the last 30 years. Recent advances in nanomaterial fabrication and characterization, specifically carbon nanotubes and nanowires, have had major contributions in the development of artificial muscles. However, what can artificial muscles really do for humans? This question is considered here by first examining nature's solutions to this design problem and then discussing the structure, actuation mechanism, applications, and limitations of recently developed artificial muscles, including highly oriented semicrystalline polymer fibers; nanocomposite actuators; twisted nanofiber yarns; thermally activated shape-memory alloys; ionic-polymer/metal composites; dielectric-elastomer actuators; conducting polymers; stimuli-responsive gels; piezoelectric, electrostrictive, magnetostrictive, and photostrictive actuators; photoexcited actuators; electrostatic actuators; and pneumatic actuators.
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Automatic strain sensor design via active learning and data augmentation for soft machines
Haitao Yang,Jiali Li,Kaizhuo Lim,Chuanji Pan,Tien Van Truong,Qian Wang,Kerui Li,Shuo Li,Xiao Xiao,Meng Ding,Tianle Chen,Xiaoli Liu,Qian Xie,Pablo Valdivia y Alvarado,Xiaonan Wang,Po-Yen Chen +15 more
TL;DR: A three-stage machine learning framework was realized for a high-accuracy prediction model capable of automating the design of strain sensors and genetic algorithm-based selection to optimize the model’s prediction accuracy.
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Design, characterization, modeling, and comparison of helically wrapped super-coiled polymer artificial muscles
Thulani Tsabedze,Jun Zhang +1 more
TL;DR: In this article, a helically-wrapped super-coiled polymer actuator (HW-SCP) is presented, which can produce 15-55% strain and consistently lift more than 90 kg of weight.
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Artificial Muscles and Soft Robotic Devices for Treatment of End‐Stage Heart Failure
Alexander Weymann,Javad Foroughi,Robert Vardanyan,Prakash P Punjabi,Bastian Schmack,Sinmisola Aloko,Geoffrey M. Spinks,Chun-Hui Wang,Arian Arjomandi Rad,Arjang Ruhparwar +9 more
TL;DR: The present state and future direction of artificial muscle based soft robotic biomedical devices in supporting the inotropic function of the heart, focusing on the emerging electrothermally artificial heart muscles is reviewed.
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Untethered artificial muscles powered by wearable sweat-based energy generator
Yandong Chen,Yu-tao Xue,Wenhao Liu,Shilin Li,Xinlian Wang,Weixian Zhou,Guanghui Zhang,Kai Liu,Hongjie Zhang,Yuliang Zhao,Chunying Chen,Yang Liu +11 more
TL;DR: In this paper , a wearable sweat-based energy generator was designed to directly power up a soft artificial muscle for establishing a self-powered conjunct system, which achieved a maximum power density of 18.3 μw cm−2 at a resistance of 0.3 kΩ with a small amount of sweat (0.2 mL).
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