Posts Tagged ‘PID control’

Loop Tuning Expertise in Your Pocket

Posted in Education, Process Optimization, Support Services on Wednesday, May 27th, 2015. No comments yet
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Some of the more popular posts here on the blog involve loop tuning. Our Process Optimization category is filled with more than 150 posts featuring the wisdom of many experienced practitioners. One extremely proficient practitioner and prolific author, Greg McMillan has an updated work on loop tuning, Good Tuning: A Pocket Guide, 4th edition (ISA […]

Contrasting Advance Regulatory and Advanced Process Control

Posted in Education on Monday, March 30th, 2015. No comments yet
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I wanted to bring additional visibility to a great thread in the LinkedIn Process Control group on advanced regulatory control versus advanced process control. The post, So, ARC Can “Replace” APC? is based on a blog post, Advanced regulatory versus model-predictive control. The LinkedIn post’s author draws two points from the blog post: ARC is […]

PID Control in 3-Phase Oil and Gas Separation

Posted in Oil & Gas on Tuesday, January 27th, 2015. One comment so far
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The PID controller entry in Wikipedia highlights the beginning of proportional+integral+derivative control going all the way back to the 19th century: PID controllers date to 1890s governor design.[2][3] PID controllers were subsequently developed in automatic ship steering. One of the earliest examples of a PID-type controller was developed by Elmer Sperry in 1911,[4] while the […]

Methodology for Solving Control Loop Problems

Posted in Control Strategies, Oil & Gas, Process Optimization, Variability Management on Friday, October 31st, 2014. One comment 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 […]

Regulatory and Model Predictive Control Difference?

Posted in Process Optimization on Friday, September 12th, 2014. One comment so far
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Over in LinkedIn’s Process Control group, a question was asked: What is the difference between regulatory and model predictive control. Is it possible that MPC work as stand alone without regulatory control? Emerson’s Chowyang Neo offered: Regulatory Control generally refers to good old PID loop control. Gaps between the SP and PV known as errors […]