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Updated: Sep 12, 2025

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软可重新配置的逻辑门,具有高频电路开关
Yiqun Xu1,2, Fei Zhang1,3, Philipp Rothemund4
1School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, China.
Science advances
|August 8, 2025
概括
研究人员使用石墨框架 (GFs) /聚甲基 (PDMS) 和介电弹性体执行器 (DEAs) 开发了高频软逻辑门. 这些软开关能够快速,低延迟控制软机器人,运行高达100赫兹.
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
- 电子 电子 电子 电子 电子 电子 电子
背景情况:
- 软材料越来越多地用于替代软机器人等应用中的刚性电子.
- 现有的软逻辑门在低频率 (<5 Hz) 上运行,限制了它们在宏观系统中的使用.
- 需要更快,更响应的软电子元件.
研究的目的:
- 开发具有超低延迟的高频软逻辑门.
- 为了实现对静电软机器人的快速,准确的控制.
- 提高软机器人系统的自主性和交互能力.
主要方法:
- 使用了一种定制的压电阻材料:石墨框架 (GFs) /聚二甲基 (PDMS).
- 集成的GF/PDMS与介电弹性体执行器 (DEA) 创建软电开关.
- 开发了一种使用反控制的软振荡器,使用软 NOT 门进行反控制.
主要成果:
- 实现了在高频率 (高达100赫兹) 上运行的软逻辑门.
- 对于软电开关来说,已经证明了2毫秒的超低延迟.
- GFs/PDMS带在~0.01%的压力下显示出很大的阻力变化.
- 开发了一种软振荡器,能够自主变形从1到78赫兹.
- 该系统具有紧的尺寸 (5 cm3) 和低功耗 (0.4 mW).
结论:
- 开发的软逻辑门为软机器人控制提供了重大进步.
- 这项技术可以在软机器人中实现更快,更精确的调动和传感.
- 高频低延迟软开关为更自主,更交互的软机器人系统铺平了道路.
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