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Muscle Contraction

Muscle Contraction

The Role of Actin and Myosin in Non-muscle Cells

The Role of Actin and Myosin in Non-muscle Cells

Actin and myosin or actomyosin filaments also play a significant role in cells other than those involved in muscle contraction (which occurs within the sarcomere of muscle cells). The mechanism of non-muscle cell contractile bundles was first observed in Dictyostelium and Acanthamoeba. In non-muscle cells, two bundles are commonly found: stress fibers and actomyosin adherence belts. These contractile bundles are smaller and less organized than the ones found in muscle cells. They are held...

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Updated: Jul 14, 2025

Fabrication Process of Silicone-based Dielectric Elastomer Actuators

Fabrication Process of Silicone-based Dielectric Elastomer Actuators

Published on: February 1, 2016

灵感来自肌肉的软机器人基于双边介电弹性体执行器.

Yale Yang^1,2, Dengfeng Li³, Yanhua Sun^1,2

¹State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, PR China.

Microsystems & nanoengineering

|October 10, 2023

概括

研究人员开发了一种新的双边执行器,灵感来自先进软机器人的肌肉群. 这种人工肌肉可以实现多功能运动,如爬行,滚动和抓取,增强机器人的控制和功能.

关键词:

电气和电子工程电气和电子工程电子属性和材料的电子属性和材料.

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Last Updated: Jul 14, 2025

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Published on: February 1, 2016

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

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Published on: April 25, 2020

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科学领域:

机器人技术机器人技术机器人技术
材料科学材料科学材料科学
生物模拟学是一种生物模拟学.

背景情况:

生物系统中的双边肌肉激活激发了先进的机器人设计.
软机器人系统需要人工肌肉来增强控制和多维运动.
现有的软机器人往往缺乏生物肌肉群的灵巧和多功能性.

研究的目的:

开发一种新的双边执行器,模仿软机器人的肌肉组功能.
创建一个多功能软机器人,能够执行各种运动和操纵任务.
探索将多个执行器组合在一起,以实现复杂的机器人行为.

主要方法:

使用低成本的VHB 4910介电弹性体作为人工肌肉材料.
设计和制造的聚合物薄膜作为双边变形的执行器框架.
集成的端到端连接的执行器形成一个轮形的3D软机器人.
演示了各种运动模式,包括爬行,滚动和爬.
开发了一种类似嘴巴的软机器人,用于对象操纵.

主要成果:

双边执行器表现出类似肌肉的变形能力.
一个轮形的软机器人实现了多方向爬行和高效的转向.
机器人展示了双向滚动和2°斜坡爬的能力.
一个类似嘴巴的软机器人成功地抓住了5.3倍于自身体重的物体.
组合执行器模式可以实现多种功能和灵活性.

结论:

开发的双边执行器为创建高度可控的软机器人提供了有希望的方法.
模块化设计允许可适应的配置和各种机器人应用.
这项研究为未来软机器人设计提供了宝贵的参考,强调生物仿真和多功能性.