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一个轻量级的生物启发的基于SMA的抓取机制,用于挥舞翅膀的MAV.

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  • 1Chair of eAviation, Department of Aerospace and Geodesy, TUM School of Engineering and Design, Technical University Munich, 80333 Munich, Germany.

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概括

研究人员开发了一种新的生物灵感抓手,用于挥舞翅膀的微型飞行器 (FWMAV). 这种轻量级,符合规范的机制使用形状记忆合金 (SMA) 进行高效的立和抓取.

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科学领域:

  • 机器人和生物启发的工程机器人学.
  • 微型空中飞行器技术

背景情况:

  • 飞翼微型飞行器 (FWMAV) 需要先进的降落和起飞机制.
  • 现有的执行器往往缺乏FWMAV所需的小型化和功率-重量比.

研究的目的:

  • 为FWMAVs展示了一种新的,生物灵感的息抓手.
  • 提高FWMAVs的着陆,起飞和操纵能力.

主要方法:

  • 设计了一种灵感来自人类手的轻量级抓手.
  • 集成了一个符合规定的爪结构,由形状记忆合金 (SMA) 弹驱动.
  • 优化了 phalange 长度和选择的 SMA,以获得可靠的性能.

主要成果:

  • 50克的抓手通过电脉冲演示了快速启动.
  • 实现了大约16N的抓取力,用于抓住各种物体.
  • 成功地完成了息,抓住和携带任务.

结论:

  • 以SMA驱动的抓手提供了一个更简单,高度集成和微型化的解决方案.
  • 增强的适应性和高功率比重使其成为FWMAV的理想选择.
  • 这种机制显著提高了FWMAV的运营能力.