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Model-based Robust Online Fault Detection for Mating Process of Electric Connectors in Robotic Wiring Harness Assembly Systems

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4 Author(s)
Jian Huang ; Department of Micro System Engineering, Nagoya University, 464-8603 Chikusa-ku, Nagoya, Japan; Department of Control Science & Engineering, Huazhong University of Science and Technology, 430074, Wuhan, China ; Pei Di ; Toshio Fukuda ; Takayuki Matsuno

Mating a pair of electric connectors is one of the most important steps in a robotic wiring harness assembly system, which can be modeled by static piecewise affine (PWA) systems. To design a fault detection system for this application, a set-membership approach for static PWA systems is proposed, in which parallelotopic approximation of feasible parameter sets (FPS) is adopted. An online algorithm is obtained to estimate bounds of uncertain transition points of the PWA model. Based on the estimation, a robust online fault detection algorithm is proposed. The effectiveness of these methods is finally confirmed through experiments.

Published in:

Micro-NanoMechatronics and Human Science, 2007. MHS '07. International Symposium on

Date of Conference:

11-14 Nov. 2007