Posts Tagged ‘cascade control’

Freely Available Learning Tools for New Process Automation Professionals

Posted in Communities, Process Optimization on Wednesday, April 27th, 2016. No comments yet
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A question on PID control in the Emerson Exchange 365 community reminded me how good some of the free, online learning tools are available for engineers new to our instrumentation and process automation ranks. The question: i have a question about PID, about setpoint for one pid from other pid ,,,is possible that these two […]

Distillation Column Control Basics – Part 1

Posted in Process Optimization, Support Services on Thursday, December 11th, 2014. 4 comments so far
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Author: Lou Heavner In this 3-part series on distillation column control basics, we’ll look at traditional control and modern approaches to improve control robustness. For background, you can find a good write up on industrial distillation in Wikipedia. In the distillation process, a feed mixture is separated by volatility or boiling point into 2 or […]

Optimizing Reactor Temperatures for Resins Manufacturer

Posted in Support Services, Variability Management on Wednesday, December 10th, 2014. One comment so far
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I heard a great story about a resins manufacturer who was having some issues in meeting quality specifications due to temperature variability in the process. Emerson’s Gergo Kertesz, whom you may recall from an Emerson Exchange presentation I liveblogged, shared this story. This variability not only impacted the quality of the produced resin, it impacted […]

Control Loop Foundation Learning Website

Posted in Education, Process Optimization on Monday, November 15th, 2010. No comments yet
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Emerson’s Terry Blevins and Mark Nixon‘s new book, Control Loop Foundation – Batch and Continuous Processes was highlighted in an earlier post here on the blog. As I noted in the post, the intent of the book was to give automation professionals a foundation in process control in subjects such as: …measurements, on-line analyzers, final […]

Tips When Using DeltaV PID Control

Posted in Control Strategies, Emerson Exchange on Friday, October 16th, 2009. No comments yet
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Last year I summarized an Emerson Exchange presentation by James Beall, Advanced PID Functions for Improved Control Performance. At this year’s Emerson Exchange, he did a reprise version, Interesting and Useful Features of the DeltaV PID Controller. I’ll highlight some additional nuggets of wisdom that he imparted. Interesting and Useful Features of the DeltaV PID […]