在电动人工肌肉纤维的新兴创新
Tianhong Lang1, Lixue Yang1, Shiju Yang1
1Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, School of Mechanical Engineering, Tianjin University, Tianjin 300350, China.
National science review
|September 20, 2024
概括
人工肌肉纤维在结构上比传统形式更有优势. 本次审查强调了它们对高级应用程序的增强的执行,控制和集成能力.
科学领域:
- 材料科学 材料科学 材料科学
- 机器人技术 机器人技术 机器人技术
- 纳米技术纳米技术
背景情况:
- 人工肌肉对于先进的机器人和假肢非常重要.
- 传统的人工肌肉形式 (薄膜,散装) 在性能和可扩展性方面存在局限性.
- 基于纤维的人工肌肉具有独特的结构优势.
研究的目的:
- 系统地审查人工肌肉纤维的结构效益.
- 突出各种电动 actuation 机制的优点.
- 为人工肌肉纤维技术提供比较评估和未来前景.
主要方法:
- 对人工肌肉纤维研究的系统文献综述.
- 对结构优势和执行机制 (电热,电化学,介电) 的分析.
- 对性能指标,效益和制造复杂性的比较评估.
主要成果:
- 纤维结构提供了增强的机械性能,执行,可扩展性和设计灵活性.
- 电动机械表现出高的运行效率,精确的控制和微型化.
- 材料和结构创新正在显著提高人工肌肉纤维的性能.
结论:
- 人工肌肉纤维是一种有前途的技术,因为它们具有固有的优势.
- 需要进一步的研究来克服挑战,并完善执行机制.
- 为推进人工肌肉纤维应用提出了有针对性的研究方向.
相关概念视频
01:20Motor Unit Stimulation
1.5K
When the neuron of a motor unit fires an action potential, it triggers a series of events, leading to a twitch contraction in the muscle fibers. The process of excitation-contraction coupling is crucial in relaying the action potential to the muscle fibers.
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...
1.5K
01:22Muscle Stimulation Frequency
2.0K
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
2.0K