Archive for the ‘Control Strategies’ Category

Divided Wall Column MPC Control with Wireless Instrumentation

Posted in Control Strategies, Wireless on Monday, January 11th, 2016. No comments yet
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Distillation is an important process from crude oil refining to fine sipping whiskey production. Managing this process safely, efficiently and reliably is the challenge. In a recent Hydrocarbon Processing article, Use model predictive control to achieve real-time management of a DWC, Emerson’s Terry Blevins teamed up with Eastman Chemical Company and the University of Texas […]

Wireless Event-Based Control

Posted in Control Strategies, Wireless on Wednesday, August 12th, 2015. No comments yet
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As wireless communications technology continues to mature, applications have expanded from monitor only to monitor and control. In an earlier post, Event-Based Control in a Wireless World, I mentioned that presentations given by Emerson’s Terry Blevins and Willy Wojsznis and co-authored by Mark Nixon. Here are the recorded presentations: Model Predictive Control With Event Driven […]

Methodology for Solving Control Loop Problems

Posted in Control Strategies, Oil & Gas, Process Optimization, Variability Management on Friday, October 31st, 2014. 2 comments so far
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This time of year, after our big Emerson Exchange conference, I like to go back and see what sessions I missed to be able to be able to recap for you. I caught up with Emerson’s Mark Coughran, whom you may recall from many control performance-related posts. He co-presented a paper, Solve Control Loop Problems […]

Getting up and Running Quickly

Posted in Control Strategies, Emerson Exchange, Process Optimization on Wednesday, October 8th, 2014. 3 comments so far
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Emerson’s Gergo Kertesz shared a story of how to get a plant started up and running with the aid of control loop tuning. His abstract: This Russian Petrochemical Company is one of the world’s largest petrochemical complexes. The company specialises in the production and sale of synthetic rubbers. When the polymerization unit was migrated from […]

How Good is Your Level Control?

Posted in Control Strategies, Process Optimization, Variability Management on Monday, August 25th, 2014. 4 comments so far
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So asks Emerson’s Lou Heavner in a thought-provoking post in the DeltaV track of the Emerson Exchange 365 community. Lou opens: Is it good enough? Is it too good? Do you even know? Should you care? Well yes, you probably should care. Most level processes are non-self-regulating or integrating processes. Everything you probably learned about […]