Fault Monitoring in Manufacturing Systems Using Concurrent Discrete-Event Observations

Larry Holloway and Sujeet Chand

The discrete-event nature of on-line data from automated manufacturing system offers many challenges for on-line fault detection. In this paper, the template monitoring method is developed as a simple but versatile method of fault monitoring using discrete event signals. This monitoring method is easily distributable, suitable for monitoring highly concurrent systems, and has low computational requirements. This paper describes template monitoring and summarizes analytical results on generating templates from timed automaton models.

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