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LAKHOUA Mohamed Najeh


After a presentation of the functionality of the supervisory control and data acquisition system (SCADA), we present the issues involved in the application of a Functional Analysis (FA) technique on a supervisory system of a complex process. In order to deal with these issues, we present a practical case of a SCADA system of a thermal power plant (TPP) in Tunisia. Our contribution consists on applying a FA technique SA-RT (Structured Analysis Real Time). This technique allows a functional description of the SCADA system. The paper briefly discusses the functions of the SCADA system and some advantages of the application of the FA for the design of a supervisory system. Then the basic principles of the SA-RT technique applied on the SCADA system are presented. Finally, the different results obtained from the SA-RT technique are discussed.

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