Two-dimensional, vision-based μN force sensor for microrobotics

Two-dimensional, vision-based μN force sensor for microrobotics
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用于微型机器人的基于视觉的二维 μN 力传感器

DOI:
10.1109/robot.2009.5152647
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发表时间:
2009
期刊:
2009 IEEE International Conference on Robotics and Automation
影响因子:
--
通讯作者:
Vijay R. Kumar
Vijay R. Kumar
中科院分区:
--
文献类型:
--
作者:
D. Cappelleri;G. Piazza;Vijay R. Kumar

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我们提出了一种基于视觉的二维力传感器,能够感知μN水平力。目前还没有可靠的、现成的、商业上可用的力传感器来测量这种规模的力,可以很容易地集成到标准的微型机器人试验台中。我们的设计由一个平面弹性机构组成,具有已知的力-挠度特性。在微/中尺度机器人操纵试验台上,使用一台CCD摄像机跟踪该机构在操纵物体时的变形。通过观察机构中选定点的位移,可以估计操纵力。介绍了力传感器的建模、设计、微加工、标定和实验验证,并简要讨论了其在微装配等机器人操作任务中的应用。
We present a two-dimensional, vision-based force sensor, capable of sensing μN level forces. There are currently no reliable, off-the-shelf, commercially-available force sensors to measure forces at this scale, that can be easily integrated into standard microrobotic test-beds. Our design consists of a planar, elastic mechanism with known force-deflection characteristics. A CCD camera is used to track the deformation of the mechanism as it is used to manipulate objects in a micro/meso-scale robotic manipulation test-bed. By observing the displacements of select points in the mechanism, the manipulation forces can be estimated. The modeling, design, microfabrication, calibration and experimental validation of the force sensor are presented with a brief discussion of an application to a robotic manipulation tasks such as microassembly.
DOI: 10.1002/1521-4095(200104)13:8
发表时间: 2001-04-18
期刊: ADVANCED MATERIALS
影响因子: 29.4
作者:
Takayama, S;Ostuni, E;Whitesides, GM
通讯作者: Whitesides, GM
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