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Optical Engineering

Calibration of laser displacement sensor used by industrial robots
Author(s): Zhenqi Zhu; Bruce Qing Tang; Jinsong Li; Zhongxue Gan
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Paper Abstract

We propose a unique approach for calibrating robot tool center point (TCP) using a noncontact sensor such as a laser displacement sensor. This approach is based on nonlinear least square optimization algorithms with geometry constraints. Experimental results show that calibration algorithm is robust and the calibration error is reduced significantly compared to that of a conventional method.

Paper Details

Date Published: 1 January 2004
PDF: 2 pages
Opt. Eng. 43(1) doi: 10.1117/1.1631935
Published in: Optical Engineering Volume 43, Issue 1
Show Author Affiliations
Zhenqi Zhu, Stevens Institute of Technology (United States)
Bruce Qing Tang, ABB-ETI (United States)
Jinsong Li, Stevens Institute of Technology (United States)
Zhongxue Gan, ABB PPL (United States)


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