使用液态金属折纸的机器人天线

IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Advanced intelligent systems (Weinheim an der Bergstrasse, Germany) Pub Date : 2024-06-12 DOI:10.1002/aisy.202400190
Anand K. Mishra, Nicholas E. Russo, Hyeon Seok An, Constantinos L. Zekios, Stavros V. Georgakopoulos, Robert F. Shepherd
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引用次数: 0

摘要

折纸天线设计的两大挑战是创建可靠的铰链和实现精确驱动以获得最佳电磁(EM)性能。本文介绍了一种水弹折纸环形天线,它集成了水弹折纸原理、三维打印液态金属(LM)铰链和机器人形状变形。该方法结合了三维打印、机器人驱动和创新的天线设计,实现了各种折纸折叠模式,增强了便携性和电磁性能。该天线的功能已得到成功演示,展示了它与另一根天线的通信能力,以及在遥控轮式机器人上导航狭窄空间的能力。三维打印 LM 铰链在平放和折叠状态下均表现出较低的直流电阻(200 ± 1.6 mΩ),在机器人控制下,天线实现了小于 1° 的折叠角度精度和 66% 的折叠面积比。该天线可在 2.08 和 2.4 GHz 两种模式下工作,非常适合固定移动使用和无线电定位。通过大量的模拟和实验,对天线的平整和折叠状态进行了评估,重点关注谐振频率、增益模式和铰链连接性。研究结果证实,水弹折纸环形天线在折叠和展开过程中始终保持电磁性能,具有稳定的谐振频率和增益模式,证明了该天线在便携式和移动设备中使用的可靠性和适应性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Robotic Antennas Using Liquid Metal Origami

Two of the main challenges in origami antenna designs are creating a reliable hinge and achieving precise actuation for optimal electromagnetic (EM) performance. Herein, a waterbomb origami ring antenna is introduced, integrating the waterbomb origami principle, 3D-printed liquid metal (LM) hinges, and robotic shape morphing. The approach, combining 3D printing, robotic actuation, and innovative antenna design, enables various origami folding patterns, enhancing both portability and EM performance. This antenna's functionality has been successfully demonstrated, displaying its communication capabilities with another antenna and its ability to navigate narrow spaces on a remote-controlled wheel robot. The 3D-printed LM hinge exhibits low DC resistance (200 ± 1.6 mΩ) at both flat and folded state, and, with robotic control, the antenna achieves less than 1° folding angle accuracy and a 66% folding area ratio. The antenna operates in two modes at 2.08 and 2.4 GHz, ideal for fixed mobile use and radiolocation. Through extensive simulations and experiments, the antenna is evaluated in both flat and folded states, focusing on resonant frequency, gain patterns, and hinge connectivity. The findings confirm that the waterbomb origami ring antenna consistently maintains EM performance during folding and unfolding, with stable resonant frequencies and gain patterns, proving the antenna's reliability and adaptability for use in portable and mobile devices.

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来源期刊
CiteScore
1.30
自引率
0.00%
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0
审稿时长
4 weeks
期刊最新文献
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