Department of Science, China Pharmaceutical University, Nanjing 211198, China.
State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Smart Sensing Interdisciplinary Science Center, College of Chemistry, Nankai University, Tianjin 300350, China.
Chem Soc Rev. 2023 Apr 3;52(7):2377-2390. doi: 10.1039/d2cs00489e.
Twisted-fiber artificial muscles, a new type of soft actuator, exhibit significant potential for use in applications related to lightweight smart devices and soft robotics. Fiber twisting generates internal torque and a spiral architecture, exhibiting rotation, contraction, or elongation as a result of fiber volume change. Untethering a twisted fiber often results in fiber untwisting and loss of stored torque energy. Preserving the torque in twisted fibers during actuation is necessary to realize a reversible and stable artificial muscle performance; this is a key issue that has not yet been systematically discussed and reviewed. This review summarizes the mechanisms for preserving the torque within twisted fibers and the potential applications of such systems. The potential challenges and future directions of research related to twisted-fiber artificial muscles are also discussed.
扭丝型人工肌肉作为一种新型的软体驱动器，在与轻质智能设备和软体机器人相关的应用中具有显著的应用潜力。纤维扭绞会产生内部扭矩和螺旋结构，从而导致纤维体积变化，实现旋转、收缩或伸长。解扭扭丝会导致纤维解扭和储存扭矩能量的损失。在驱动过程中保持扭丝内的扭矩对于实现可重复和稳定的人工肌肉性能是必要的；这是一个尚未被系统讨论和综述的关键问题。本文综述了保持扭丝内扭矩的机制以及此类系统的潜在应用。还讨论了扭丝型人工肌肉相关的潜在挑战和未来研究方向。
