Automated 2D micro-assembly using diamagnetically levitated milli-robots

Automated 2D micro-assembly using diamagnetically levitated milli-robots
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使用反磁悬浮微型机器人进行自动化 2D 微装配

DOI:
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发表时间:
2017
期刊:
2017 International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS)
影响因子:
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通讯作者:
J. Randall
J. Randall
中科院分区:
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文献类型:
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作者:
A. Hsu;C. Cowan;W. Chu;Brian McCoy;A. Wong;R. Pelrine;C. Vélez;D. Arnold;J. Lake;J. Ballard;J. Randall

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在本文中,我们演示了抗磁悬浮微型机器人在 10 μm 聚合物微球和其他硅微加工零件的 2D 微组装中的应用。通过使用光学显微镜进行反馈(以 27 Hz 成像),我们能够展示悬浮微型机器人的长期开环稳定性(长达 78 小时)和亚微米稳定性。此外,由于毫级机器人的磁驱动具有低磁滞和高顺应性,我们能够直接将毫级机器人与机器视觉结合使用作为力传感器。基于软聚合物的末端执行器用于零件的微操作,并显示出对拾取表面材料不敏感的适度拾取可靠性(> 70%)和高位置可靠性(> 99%)。最后,我们实现了从随机沉积的微球到有序阵列的自主微组装。
In this article, we demonstrate the application of diamagnetically levitated milli-robots for the 2D micro-assembly of 10-μm polymer microspheres and other silicon microfabricated parts. By using an optical microscope for feedback (imaged at 27 Hz), we are able to demonstrate long-term open-loop stability (up to 78 hr) and sub-micron stability of the levitated micro-robots. Furthermore, due to the low hysteresis and high compliance in the magnetic drive of the milli-robots, we are able to directly use the milli-robots in conjunction with machine vision as a force sensor. Soft polymer-based end effectors are used for the micromanipulation of parts and show modest reliability of pick (>70%) and high reliability of place (>99%) that is insensitive to the pick surface material. Finally, we implement autonomous micro-assembly from randomly deposited microspheres into ordered arrays.
DOI: 10.1109/tmech.2014.2361271
发表时间: 2015-10-01
影响因子: 6.4
作者:
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