| Computer-integrated manufacturing (CIM) has been generally accepted as one technology that provides manufacturing organization the opportunity to improve performance. One approach to this integration is to generate control logic directly from schedules. This research addressed the integration of scheduling and control activities for batch chemical flow, which permits frequent changes to schedules and requires the change of control logic quickly and easily without hampering the operations of the manufacturing facility.; In this research, the generation of a formal control model in real-time was demonstrated, using different schedules. To generate a formal control model, batch chemical plants were characterized and formally defined. Formal mapping functions for the generation of control logic were created. Using object-oriented programming, the mapping functions were implemented to generate control logic from schedules and the generated control logic was evaluated by object-oriented simulation.; This search demonstrated that the mapping functions and control logic generation steps were effective for generating control logic in real-time from schedules, using a control interpreted Petri net. Also, this research developed an object-oriented simulation structure. By visualizing the progress of a batch chemical process, this research demonstrated that the created control logic well described concurrence, parallelism, synchronization, and determinism of a controlled system for stochastic production environment. |
