A control model for multi-products processing

Time-critical systems are characterized by operation times included between a minimum and a maximum value. An acceptable behaviour depends not only on the logical correctness of the task sequence but also on the time at which the operations are performed. So, a specific control is required. In this...

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Bibliographic Details
Published inETFA 2001. 8th International Conference on Emerging Technologies and Factory Automation. Proceedings (Cat. No.01TH8597) pp. 527 - 536 vol.1
Main Authors Marteau, S., Bonhomme, P., Aygalinc, P., Calvez, S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2001
Subjects
Chemical industry
Control systems
Food industry
Job shop scheduling
Manufacturing industries
Manufacturing systems
Petri nets
Robust control
Robustness
Time factors
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Summary:Time-critical systems are characterized by operation times included between a minimum and a maximum value. An acceptable behaviour depends not only on the logical correctness of the task sequence but also on the time at which the operations are performed. So, a specific control is required. In this paper, the robustness property is used to build a time schedule of when the manufacturing system is to process several kinds of parts. This approach uses a p-time Petri net as its modeling tool and considers the multi-processing case as a disturbed mono-processing one. To make a more succinct and manageable description of the obtained control, p-time coloured Petri nets are defined. A typical illustration of an electroplating line is given.
ISBN:0780372417
9780780372412
DOI:10.1109/ETFA.2001.996410