Some of my favorite posts are ones that come out of a string of problem-solving email messages. And so it is with today's post. Emerson's Mark Coughran was recently at biopharmaceutical facility that was having temperature control issues on a reactor vessel. The...
This interesting question was posed in the LinkedIn Process Control group. You'll need to join this 31,000+ member group to see it, but the exact question was: Process Control Tuning - is not just science but an art. The real talent to be process control engineer lies...
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...
Having trouble with an oscillating integrating process? Have too much variability in a self-regulated process? Need a refresher about the essentials of Lambda (λ) tuning? Then check out James Beall's workshop at the Jan. 21–23 Texas A&M University 2014...
PID control is the workhorse of process automation. At this week's AIChE 2013 Spring Meeting and 9th Global Congress on Process Safety, Control Talk blog's Greg McMillan and Eastman Chemical's Héctor Torres presented their paper, A Unified PID Control Methodology to...
Earlier this week, I highlighted a presentation by Emerson's James Beall, Fundamentals of Modern Loop Tuning. I shared his approach for tuning self-regulating loops and the sequence to tune interacting loops. Today, I'll share some guidance from the portion of the...
Chemical Processing magazine has a great article, Be Levelheaded About Surge-Tank Control. I shared it with Emerson's James Beall asking for his thoughts. He noted that surge tank level control is a common application in many of the process industries. Often a surge...
I came across an interesting Emerson Exchange presentation, Model Predictive Control for Integrating Processes, by Emerson's Lou Heavner. You may recall Lou from several advanced control-related posts. Lou introduced the subject noting that historically, APC project...
ModelingAndControl.com's Greg McMillan is resuming his demo/seminar (a.k.a. deminar) series tomorrow, August 11, 2010. The subject will be reducing batch cycle time and startup time for true integrating processes through improved PID control. The deminar will begin at...
Like capacitors do for electrical circuits, vessel levels provide capacity that can absorb variability within the process. In many cases, a properly tuned level controller can make the variability of the vessel outflow can be much less than the variability vessel...
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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.