织物编码灵感来自兰格尔线,通过弹性等级的刺图形编码
Leonid Zinatullin1, Mona Küüts1, Alvo Aabloo1
1IMS Lab, Institute of Technology, University of Tartu, Nooruse 1, Tartu, 50411, Estonia.
Advanced materials (Deerfield Beach, Fla.)
|July 7, 2025
概括
研究人员用齐克扎克图案嵌织品,以创建可编程的,定向的机械特性. 这一创新允许可定制的形状变形结构和可扩展的生物混合技术.
科学领域:
- 材料科学 材料科学 材料科学
- 生物物理学的生物物理.
- 织工程 织工程 织工程
背景情况:
- 生物组织和工程结构表现出复杂的机械行为,由于形态异构和非线性特性.
- 像皮肤这样的组织作为生物元材料起作用,其内部结构 (例如原纤维) 决定了方向反应.
- 织品具有层次的线程包装,影响其机械反应,但在高分辨率下编码织物级机械是具有挑战性的.
研究的目的:
- 开发一种编码分布式的方法,以分厘米分辨率对织品的方向应力-应变行为进行编码.
- 为了证明模仿复杂的生理特征的能力,如皮肤的朗格尔线,使用刺的织品.
- 为了使可定制形状变形结构和生物混合技术的织力学可扩展的增强.
主要方法:
- 在可拉伸的面料上刺不可拉伸的线条的三角状齐格扎格的图案.
- 使用三角形单元细胞来实现连续线程包装,类似于解决科尼斯堡桥的问题.
- 将单元格合规参数 (方向性,对比度,大小) 映射到色调和值颜色空间,用于设计可视化.
主要成果:
- 成功编码了分布式,定向应力-应变行为在织品中,分辨率为亚厘米.
- 在矩阵定义和纤维定义的机械行为之间转换时达到85%的保真度.
- 演示了为可扩展的机械增强创建无交叉对话数组的刺限制器的创建.
结论:
- 刺的织品可以精确地模仿复杂的生理特征,并使可定制的形状变形结构成为可能.
- 工业标准的机器刺为机器人和生物混合技术中的生物力学灵感结构提供了一个可扩展的平台.
- 该技术为设计具有可编程机械性能的先进织品提供了一种新的方法,用于各种应用.
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