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高速流体处理电路用于触觉和机器人系统的动态控制
Andrew A Stanley1, Erik S Roby1, Sean J Keller1
1Meta Platforms Inc., Reality Labs Research, Redmond, WA, USA.
Science advances
|April 3, 2024
概括
这项研究引入了一种用于软机器人的新型流体晶体管,使得更快,更复杂的控制电路成为可能. 这些流体逻辑电路在恶劣环境中为电子提供了强大的替代方案.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 流体动力学 流体动力学
- 微流体学 微流体学
背景情况:
- 流体逻辑电路为软机器人提供了优势,包括在恶劣环境中运行和简化系统设计.
- 然而,传统的流体电路在计算能力和缓慢的响应时间 (秒) 中存在局限性.
研究的目的:
- 介绍一款针对快速切换时间优化的新型四端流体晶体管.
- 展示复杂的流体控制电路,其组件数量减少,成本低,可重复性高.
- 为了实现软机器人应用的高流量 (每分钟升) 和快速响应时间.
主要方法:
- 开发和描述一种新型的四端流体晶体管.
- 流体处理器电路的构建,包括环振荡器,全添加器和模拟数字转换器.
- 集成流体电路来控制软触摸显示器和气动执行器.
主要成果:
- 用环振荡器实现高达千赫兹的振荡频率,在数十亿个周期中显示出高可靠性.
- 基本的处理器电路 (全添加器,3位ADC) 实现了每只7个晶体管.
- 解码电路使得高分辨率的软触觉显示器具有低值延迟;气动执行器的闭环位置控制可以在没有电子设备的情况下实现.
结论:
- 开发的流体晶体管使软机器人的复杂,高速流体控制电路成为可能.
- 这些电路为需要在恶劣环境中运行的应用提供了可行的,无电子替代方案.
- 该技术显示出高分辨率显示器和精确的执行器控制的潜力,克服了以前流体系统的局限性.
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