Abstract
This work proposes the implementation of a Supervisory, Control and Data Acquisition (SCADA) System for a Flexible Manufacturing System (FMS) based on an object-oriented Petri Net model of the plant. Considering the complexity of a FMS (different types of parts and raw materials, different schedules, processes and programs to deal with, ways of handling parts, etc.), the implementation of a SCADA System to manage and control the plant is complex and susceptible to errors, even deadlocks. The creation of a program based on a formal model capable of dealing with such complexity and problems minimizes mistakes and allows such a model to be simulated, anticipating error situations and its possible solutions. The editing and debugging processes are also facilitated, as well as the inclusion of new types of parts or processes that can be easily performed by the definition of new attributes and methods according to the model. The analysis of the program performance is carried out using a formal methodology based on the model. A case-study implementation is shown for demonstration and validation purposes.
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