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Manufacturing companies face frequently changing market demands, time-to-market pressure, continuously emerging new technologies and global competition. To quick respond to ever-changing environment, the intra-enterprise integration of key technology applications is one of the fundamental requirements of the management and supervisory control systems at plant level. This paper presents an event-driven service oriented framework within which main services provided by manufacturing systems at different levels can be effectively managed in a holistic manner. The framework is derived from the analysis of fundamental requirements of three key services of manufacture systems, namely DRAM (dynamic resource allocation and management), RCAR (real-time control and auto-recovery), PMDP (performance monitoring, diagnosis and prognosis). The conceptual designs of the main components of the framework are presented, which include information data model, event triggering and message exchange mechanism as well as Shop-floor Service Bus that enables service oriented architecture.
Date of Conference: 14-17 July 2009