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Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing
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按需可重新编程的机械元材料,由结构性能关系驱动.

Yuling Wei1, Fei Pan2,3, Xin Lin1

  • 1Institute of Solid Mechanics, Beihang University, Beijing, 100191, China.

Advanced materials (Deerfield Beach, Fla.)
|December 21, 2024
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种新的机械超材料,可以实时重新编程. 这种数字物理系统精确地调整其机械性能,如刚性,以满足先进应用的需求.

关键词:
稳定性比稳定性比稳定性机械性能 机械性能 机械性能超材料是一种金属材料.可以重编程的可编程性.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 机械工程 机械工程
  • 机器人技术 机器人技术 机器人技术

背景情况:

  • 超材料提供可调节的机械性能,但通过数字控制对需求进行物理重编程仍然是一个挑战.
  • 对先进的适应性材料来说,整合物理和数字能力至关重要.

研究的目的:

  • 开发一个实时可重编程的机械超材料.
  • 通过使用数字接口来演示机械行为的按需调整.

主要方法:

  • 设计了一种具有可二元化的构件和用于状态切换的软执行器的超材料.
  • 建立了结构-性能关系来指导重新编程.
  • 数字控制的状态序列与目标应力-应变曲线相匹配.

主要成果:

  • 在4秒内实现了机械性能的实时重编程.
  • 证明模块调比率大于30.
  • 展示了可调节的张力,压缩,剪切和曲性能.

结论:

  • 开发的超材料能够实现精确,快速和按需的物理性能重编程.
  • 这项工作为人工智能系统中的物理性能重编程提供了一个新的范式.