Environment & Safety Gas Processing/LNG Maintenance & Reliability Petrochemicals Process Control Process Optimization Project Management Refining

February 2010

Instrumentation

Implement a constrained optimal control in a conventional level controller - Part 2

Novel tuning method enables a conventional PI controller to explicitly handle the three important operational constraints of a liquid level loop in an optimal manner as well as copes with a broad range of level control from tight to averaging control

LG Chem, Ltd.: Lee, J. W.
GS-Caltex Corp.: Lee, Y.
LG Chem.: Shin, J.

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