Decentralized Fault Detection and Isolation of Manufacturing Systems

Moamar Sayed-Mouchaweh
Submission Type: 
Full Paper
phmc_10_089.pdf927.2 KBSeptember 22, 2010 - 12:17am

This paper presents a Boolean discrete event model based approach for Fault Detection and Isolation (FDI) of manufacturing systems. This approach considers a system as a set of independent components composed of discrete actuators and their associated discrete sensors. Each component model is only aware of its local desired fault free behavior. The occurrence of a fault entailing the violation of the desired behavior is detected and the potential responsible candidates are isolated using event sequences, time delays between correlated events and state conditions, characterized by sensor readings and control signals. The proposed approach is applied on a flexible manufacturing system.

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Submission Keywords: 
diagnosis;discrete event systems
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