一种基于DEA的紧型软环静电,用于为流体机器人提供动力和控制
Siyi Xu1, Cara M Nunez1,2, Mohammad Souri1
1Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA.
Science robotics
|June 21, 2023
概括
研究人员使用介电弹性体执行器 (DEAs) 开发了一种紧的,厘米级的软环静电. 这种新型提供了高功率密度和与各种流体的兼容性,使软机器人的多功能应用成为可能.
科学领域:
- 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
- 流体动力学 流体动力学
背景情况:
- 传统的液体驱动机器人依赖于重的电源,阻碍了移动性.
- 现有的软在流体兼容性,流量或压力方面存在局限性.
研究的目的:
- 为流动机器人推出一种新的,紧的软环静电.
- 为了利用高功率密度介电弹性体执行器 (DEAs) 作为软电机.
主要方法:
- 开发了使用DEAs的厘米尺度软环静电.
- 通过流体结构相互作用有限元建模优化了的性能.
- 通过分析DEA-流体通道相互作用来研究动态性能.
主要成果:
- 达到12.5kPa的最大阻塞压力和39mL/分钟的流量.
- 证明了快速响应时间 (<0.1s) 和双向流量控制.
- 经过验证的兼容性与各种液体由于环静电机制.
结论:
- 软环静电为流体驱动机器人提供了一种多功能,内置的动力解决方案.
- 展示的应用包括尾酒混合,触觉设备和闭环执行器控制.
- 这项技术在食品处理和生物医学治疗等各个领域推进了软机器人的可能性.
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