具有可动态控制的形状锁定性能的相变机械超材料
Yiding Zhong1,2, Wei Tang1,2,3, Huxiu Xu1,2
1State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, China.
National science review
|August 11, 2023
概括
我们开发了新的相位转换机械超材料 (PMM),它结合了可定制结构,可逆变形和形状锁定,用于软机器人和灵活的电子产品. 这些PMM为高级应用提供了多功能平台.
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
- 机械工程 机械工程
背景情况:
- 活性机械超材料提供了可定制结构和变形等理想的特性,但由于相互矛盾的要求,将这些特性集成到软机器人和灵活电子的应用中具有挑战性.
- 现有的材料努力同时实现活跃的可逆变形,可控制的形状锁定和伸展性.
研究的目的:
- 引入一个新的阶段转换机械元材料 (PMM) 类,集成可定制结构,主动可逆变形,动态可控形状锁定和伸展性.
- 为了证明PMM在软机器人和灵活电子的各种应用中的多功能性.
主要方法:
- 设计和制造PMM通过定期安排基本的驱动单元在特定的模式.
- 使用液体-蒸汽相变换来实现大,可逆变形,并使用矩阵来实现伸展性.
- 包含碳酸铁粉用于磁辅助的形状锁定和能量储存.
主要成果:
- PMM成功地整合了可定制结构,主动可逆变形,快速可逆形状锁定,可调节的能量存储和伸展性.
- 理论建模和有限元模拟指导了具有定制功能的PMM的设计.
- 展示的应用包括可编程的PMM,可重新配置的天线,软透镜,机械记忆,仿生手,飞和能够进行2D和2D到3D变形的软抓柄.
结论:
- 阶段转换机械超材料 (PMM) 为克服活性机械超材料的集成挑战提供了一个有希望的解决方案.
- 开发的PMM提供了一个多功能平台,具有多个集成的属性,为软机器人和灵活的电子产品开辟了新的途径.
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