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arXiv 1906.04091cs.RO
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没有数字控制器的蠕动运动:利用折纸多稳定性来协调机器人运动

Peristaltic locomotion without digital controllers: Exploiting the origami multi-stability to coordinate robotic motions

Clemson University(克莱姆森大学)

Priyanka Bhovad, Joshua Kaufmann, Suyi Li

摘要:

本研究提出并探讨一种新的方法,以产生类似运动的分段折纸机器人。具体来说,我们展示了使用多稳定嵌入折纸骨架,以消除需要多个致动器或数字控制器来协调复杂的机器人蠕动爬行运动。在这项研究中的爬行机器人由两个串联的折纸节,每个具有广义Kresling设计和可折叠的锚定机构。力学分析和实验测试,这个双段模块揭示了一个确定性的变形序列或致动周期,然后使用它来产生不同的阶段,在一个类似的运动步态。我们只控制这个机器人的总长度,而不是像机器人和其他爬行机器人那样单独控制分段变形。因此,这种方法可以显着减少运动所需的致动器的总数,并简化控制要求。此外,Kresling折纸设计的丰富性为我们提供了大量的自由度来定制运动性能。这项研究的结果将有助于我们如何使用机器人驱动和控制的多稳定性力学的范式转变。

英文摘要:

This study proposes and examines a novel approach to generate peristaltic-like locomotion in a segmented origami robot. Specifically, we demonstrate the use of multi-stability embedded in origami skeleton to eliminate the need for multiple actuators or digital controllers to coordinate the complex robotic movements in peristaltic crawling. The crawling robot in this study consists of two serially connected bistable origami segments, each featuring a generalized Kresling design and a foldable anchoring mechanism. Mechanics analysis and experimental testing of this dual-segment module reveal a deterministic deformation sequence or actuation cycle, which is then used to generate the different phases in a peristaltic-like locomotion gait. Instead of individually controlling the segment deformation like in earthworm and other crawling robots, we only control the total length of this robot. Therefore, this approach can significantly reduce the total number of actuators needed for locomotion and simplify the control requirements. Moreover, the richness in Kresling origami design offers us substantial freedom to tailor the locomotion performance. Results of this study will contribute to a paradigm shift in how we can use the mechanics of multi-stability for robotic actuation and control.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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