Visual-based automation of peg-in-hole microassembly process

R. J. Chang; C. Y. Lin; P. S. Lin

doi:10.1115/1.4004497

Visual-based automation of peg-in-hole microassembly process

R. J. Chang, C. Y. Lin, P. S. Lin

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

61 Citations (Scopus)

Abstract

An automatic visual-servo microassembly system is installed and tested. With a compliant polyurethane microgripper, a visual-servo system is implemented for micropeg alignment, micropeg transportation, and peg-in-hole assembly. The microassembly process is controlled by developing dynamic position-based servo through image calibration, regional-scanning with edge-fitting, and shadow-aided positioning algorithm. The main specifications of the system are gripping range of 60-90 μm, working space of 7 mm × 5.74 mm × 15 mm, and system bandwidth of 25 Hz. In performance test, cylindrical copper micropegs of diameter 80 μm and 88 μm are automatically aligned, gripped, transported, and assembled to a stainless rod with a mating hole of 100 μm.

Original language	English
Article number	041015
Journal	Journal of Manufacturing Science and Engineering
Volume	133
Issue number	4
DOIs	https://doi.org/10.1115/1.4004497
Publication status	Published - 2011

All Science Journal Classification (ASJC) codes

Control and Systems Engineering
Mechanical Engineering
Computer Science Applications
Industrial and Manufacturing Engineering

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10.1115/1.4004497

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Visual-based automation of peg-in-hole microassembly process

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All Science Journal Classification (ASJC) codes

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