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相关概念视频

Rolling Resistance: Problem Solving01:17

Rolling Resistance: Problem Solving

Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...

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相关实验视频

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Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites
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一个由光驱动的液晶弹性体滚筒.

Kai Li1, Jiajing Chen1, Haoyu Hu1

  • 1School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China.

Polymers
|November 14, 2023
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种使用液晶弹性体 (LCE) 纤维的新型自滚滚轮,可以收集光能进行运动控制. 这种简单,轻量级的设备为活跃的机器和软机器人提供了一种新的方法.

关键词:
纤维纤维纤维纤维纤维是一种纤维纤维.轻型驱动的光电驱动器液晶弹性体是一种液晶弹性体.滚动的滚动的滚动的滚动.自行滚动的自行滚动机

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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
  • 收集能源 收集能源

背景情况:

  • 控制活跃的机器通常需要复杂的人工肌肉系统.
  • 自动振荡提供了一个更简单的运动控制策略,直接收获环境光能.
  • 现有的方法缺乏有效性和简单性,在活动机器的运动控制.

研究的目的:

  • 开发和研究一种由自然滚动机制启发的新型自行滚动滚筒.
  • 为了探索基于液晶弹性体 (LCE) 的自滚滚子在持续照明下的动态行为和运动模式.
  • 为了确定控制自滚动运动的关键条件和参数.

主要方法:

  • 开发了一种由滚筒和液晶弹性 (LCE) 纤维组成的自滚滚筒.
  • 用一个成熟的动态LCE模型进行数值模拟.
  • 在恒定的光照下分析滚筒的动态行为.

主要成果:

  • 自行滚动的滚筒表现出两个不同的运动模式:静态和自行滚动.
  • 这种以连续周期性运动为特征的自滚模式,由光能收获和减噪消散来维持.
  • 确定了启动自滚的关键条件以及影响频率和振幅的参数.

结论:

  • 开发的自滚滚子为活跃机器的运动控制提供了一个简单,轻量级和高效的替代方案.
  • 这一创新有潜力激发微机,软机器人和能源收获器的各种设计.
  • 由光能驱动的自我振荡策略为自主机器操作提供了一个有前途的途径.