本质上是多稳定的空间联系
Tong Zhou1, Chong Huang1, Zhuangzhi Miao1
1The Institute of Technological Sciences, Wuhan University, Wuhan, 430072, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|September 16, 2024
概括
本研究介绍了可重新配置结构的内在多稳定空间 (IMSS) 联系. 这些连接提供精确的3D运动控制与轻量化执行,使先进的变形平台.
科学领域:
- 机械工程 机械工程
- 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
背景情况:
- 多稳定结构在重新配置方面具有优势,因为它们的能量景观,引导形状的精度,并使冲动运动成为可能.
- 现有的多稳定结构主要是平面的,这限制了它们对复杂的三维应用的潜力.
- 空间链接为产生复杂的3D运动和实现更大的应用多功能性提供了一个有希望的途径.
研究的目的:
- 为内在多稳定空间 (IMSS) 联系提出一个通用设计方法.
- 为了使IMSS能够与多个可规定的稳定配置进行连接.
- 为了证明这些设计状态的结构兼容性和固有的稳定性.
主要方法:
- 介绍了一种通用设计方法,揭示了过度约束的机制可以转化为多稳定的结构.
- 具体的例子包括单循环双稳定4R和四稳定6R空间链接,这些链接来自像贝内特和布里卡德链接这样的基本动力学单元.
- 研究了IMSS连接模块的多循环组件,用于需要可部署性和冲动重新配置的应用.
主要成果:
- 该设计方法成功地将过度约束的机制转化为多稳定的结构.
- 设计的IMSS连接模块表现出内在的非对称的稳定状态.
- 通过两种初步设计提供实验验证:可部署的管和冲动抓手.
结论:
- 为IMSS连接提出的设计方法有助于创建变形平台.
- 这些平台受益于轻量化执行,高形状精度和刚性.
- 这些连接使规定的冲动3D运动成为可能,为先进的应用程序开辟了新的可能性.
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