In: IEEE Trans. on Systems, Man, and Cybernetics, Vol. 25, No. 1, pages 130-144. 1995.
Abstract: A graphical representation tool - updated Petri nets (UPNs) - has been developed to model rule-based specifications for CIM databases. UPN facilitates the modeling of relationships between operations of various manufacturing application systems and the database updates and retrievals among all the respective distributed databases. Based on this representation, a hierarchical modeling technique which includes refining and aggregating rules has also been developed. An application of the UPN is demonstrated in designing rule-based systems for controlling and intergrating the information flow between manufacturing applications, including computer aided design, computer aided process planning, manufacturing resources planning, and shop floor control.
Keywords: CIM databases, computer aided design, rule-based systems, updated petri nets.
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