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易于启动的多兼容的结构结构结构,具有规定的重新配置
Lin Ai1, Shukun Yin2,3, Weixia He3
1The Institute of Technological Sciences, Wuhan University, Wuhan, Hubei, 430072, China.
Nature communications
|June 7, 2024
概括
研究人员开发了具有有限稳定状态的多兼容性托架结构,以进行受控的重新配置. 这种方法可以使用简单,轻量级的执行器进行精确的变形,克服现有的多稳定设计的局限性.
科学领域:
- 材料机械学 材料机械学
- 结构工程 结构工程
- 机器人技术 机器人技术 机器人技术
背景情况:
- 多稳定结构提供了能源效率和减少了执行需求.
- 现有的设计往往有太多的稳定状态或缺乏刚性.
- 需要新的方法来控制变形结构的重新配置.
研究的目的:
- 设计具有有限数量的规定的稳定状态 (多兼容结构) 的多稳定托架结构.
- 开发一个全周期的设计方法,以轻量化执行的变形结构.
- 为了证明这些结构在诸如可变刚度抓器等领域的实际应用.
主要方法:
- 在多个规定的状态下定义了架结构兼容性的约束.
- 开发了一种设计具有有限冗余稳定状态的多兼容结构的方法.
- 探索了最小能量路径,并设计了用于重新配置的简单拉动执行.
- 制造原型以验证设计和执行方法.
主要成果:
- 成功设计和制造了多兼容的结构结构.
- 通过使用简单,轻量级的执行来证明规定的重新配置.
- 实现受控的形态变化,具有有限的,明确的稳定状态.
- 应用了一个四元稳定结构来创建一个可变刚度的抓手.
结论:
- 拟议的全周期设计方法使得可以创建具有可控多稳定性的变形结构.
- 这种方法克服了现有的多稳定设计的局限性,提供了增强的刚性和驱动可行性.
- 开发的多兼容结构对于需要轻量级,可重新配置的系统的实际应用具有重大潜力.
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