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Posts Tagged ‘PID control’

Methodology for Solving Control Loop Problems

Posted in Oil & Gas, Services, Consulting & Training 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 […]

Regulatory and Model Predictive Control Difference?

Posted in Control & Safety Systems, Services, Consulting & Training on Friday, September 12th, 2014. 2 comments 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 […]

Setpoint Lead-Lag Question and Answer

Posted in Services, Consulting & Training on Monday, March 24th, 2014. One comment so far
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I wanted to share this question and answer on setpoint lead-lag, from the Mentoring Engineers discussion group in the Emerson Exchange 365 community. The question: …one of the options you recommend for eliminating overshoot at setpoint changes is using a setpoint lead-lag setup. I cannot visualize the concept in my mind. In a Two Degrees […]

Wireless Measurements in Control Applications

Posted in Control & Safety Systems, Industrial IoT on Wednesday, January 8th, 2014. One comment so far
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As wireless technology continues to be used in process manufacturing facilities, those used in control applications are increasing. At the ISA Automation Week conference, Emerson’s Terry Blevins, Mark Nixon, and Marty Zielinski authored the paper, Using Wireless Measurements in Control Applications. Terry and Marty presented it for Automation Week attendees. They discussed the impact of […]

Lambda Control-Loop Tuning Essentials with James Beall

Posted in Event, Production, Services, Consulting & Training on Tuesday, January 7th, 2014. No comments yet
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Chris Womack here again with another guest post. 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 Instrumentation Symposium. James was kind enough to give […]