Intelligent fuzzy system helps offshore platform start-up

Intelligent systems with a fuzzy controller can play an important role in controlling and managing start-ups of offshore facilities.This technology has been instrumental in operations on the Petrèleo Brasileiro SA (Petrobras) semisubmersible production unit P-19, which has been in service since June 1999 in the Campos basin, off Brazil.Intelligent systems have many heuristic rules for automating start-up procedures. These rules include opening many on-off valves while simultaneously monitoring process variables. A fuzzy controller, on the other hand, is used to optimize the opening of oil wells so as to minimize the start-up time and to respect many real-time process constraints.Im...

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