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Posts Tagged ‘Greg McMillan’

Managing Pressure and Flow Loops on Acid Gas Absorber

Posted in Emerson Exchange on Tuesday, October 20th, 2015. No comments yet
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At the request of a reader who commented on the last post, here is another of the 11 examples that Emerson’s Mark Coughran shared in his Emerson Exchange Denver presentation, Solving Pressure Control Loop Problems in Hydrocarbon Processing Plants. The commenter wrote: Could you please write up a post about Acid Gas Removal Unit, Absorber […]

Critical Techniques to Prevent Process Instability

Posted in Process Optimization on Wednesday, October 14th, 2015. No comments yet
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Greg McMillan, who over the years has worked extensively with the DeltaV technology program and now a modeling and control consultant with Mynah Technologies presented Critical Techniques to Prevent Process Instability at the Emerson Exchange conference in Denver. Here is his presentation abstract: While it is well recognized that too large of a controller gain […]

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 […]

Does Flow Loop Make Valve Positioner Unnecessary?

Posted in Final Control Element on Tuesday, February 10th, 2015. One comment so far
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In the Process Control LinkedIn group, a question was asked: Positioners seem very popular now, but most lines with valves have flow meters attached. Won’t a flow loop make the positioner redundant? When asked for clarification, the original poster explained: As far as I understand them, a positioner simply moves the stem to a particular […]