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In this research, some CIM models are proposed to conceptualize a CIM system with three modeling levels and four views based on the CIMOSA framework. Also, the corresponding procedure for implementing the objectives of each model is given. The proposed CIM planning procedure considers the concept of both systems engineering and concurrent engineering to meet the requirement of systematization and preciseness, Furthermore, a tables-and-charts-based procedure is developed for the step-by-step guidance in the execution phase of a CIM system design. The IDEFO software is used as a modeling tool for describing the sequential and hierarchical functional relations in the construction of a CIM system.
The proposed CIM planning procedure is based on the three modeling levels: Requirement Definition Model, Design Specification Model and Implementation Description Model. It follows the systems engineering process, which proceeds from system requirement analysis, design, evaluation, to implementation. Also the consideration of the four views can facilitate the construction of a complete CIM system. The function view describes the functional structure to satisfy the objectives of an enterprise and its related control functions. The information view considers the relationships among the information entities and the information flow. The resource view identifies the required resources for executing the enterprise activities. While the organization view assigns the responsibilities and authorities for executing the enterprise activities.
A modular approach, called CIM ENABLER, is also proposed for developing a CIM system in five stages: rationalization, standardization, computerization, automation, and CIM. Finally, a real case is presented to verify the feasibility of the CIM planning procedure for the establishment of a database system in a CIM enviroment.
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