June 2020

Process Controls, Instrumentation and Automation

Base layer enhancement study for crude oil distillation process

Base layer control is one of the most important stages of a process control system hierarchy for refinery applications.

Base layer control is one of the most important stages of a process control system hierarchy for refinery applications. The process control infrastructure of a refinery process unit is examined in detail through a base layer enhancement study, including: Reliability control of basic control infrastructure elements Analysis and optimization of proportional-integral-derivative (PID) controller parameters in terms of process conditions (PID tuning) Taking necessary actions for maintenance of valves and transmitters with poor control performance Monitoring the performance of controllers and comparing the before and after studies Investigation of new control strategies to improve control p

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