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Gregory K. McMillan
Gregory K. McMillan retired as a Senior Fellow from Solutia Inc in 2002 and as a senior principal software engineer from Emerson Process Systems and Solutions Simulation R&D in 2023. Greg is an ISA Fellow and the author of more than 200 articles and papers, 100 Q&A posts, 80 blogs, 200 columns, and 20 books. He was one of the first inductees into the Control Process Automation Hall of Fame in 2001, and he received the ISA Lifetime Achievement Award in 2010, the ISA Mentor Award in 2020, and the ISA Standards Achievement Award in 2023.
271 Results Found
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How Do You Determine a Measurement Is Good Enough for Control?
Often measurement errors are expressed as a percent of full scale and are therefore larger in terms of percent of operating setpoint.By: Gregory K. McMillan24 February, 2012 | 3 minutes -
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Are changes in pipeline pressure affecting your loop?
Are changes in pipeline pressure affecting your loop?By: Gregory K. McMillan17 February, 2012 | 2 minutes -
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What are the best packed column temperature(s) for control?
What are the best packed column temperature(s) for control?By: Gregory K. McMillan10 February, 2012 | 1 minute -
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What Is the Effect of the Pump on Control Valves at Lower Rates?
What is the effect of the pump on control valves at lower rates?By: Gregory K. McMillan04 February, 2012 | 1 minute -
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Tutorial Download: How to Optimize Industrial Distillation and Reactor Performance
Excellent temperature control is the key to both distillation and reactor performance.By: Gregory K. McMillan27 January, 2012 | 6 minutes -
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What Is an Automation Migration Project Best Path Forward?
Process control migration best path forward: How do you achieve both when schedule and cost are constraints or better yet roadblocks?By: Gregory K. McMillan20 January, 2012 | 7 minutes -
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What Is the Best Way to Document a Control System?
It is possible to create a documentation format that works for design and construction and then can be gradually “morphed” into a format that meets the needs of productionBy: Gregory K. McMillan13 January, 2012 | 9 minutes -
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How to Tune a Temperature Control Loop When Auto-Tuning Takes Too Long
Test time for tuning temperature control can be reduced by using the near-integrating method. It identifies the deadtime and initial ramp rate.By: Gregory K. McMillan14 December, 2011 | 4 minutes -
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How Do You Know When Feedforward Is Needed?
If on a trend recording a change in an input flow or speed (load) associated with a primary process loop causes a significant change in the primary process variable, there is an opportunity for feedfoBy: Gregory K. McMillan06 December, 2011 | 5 minutes -
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How to Select the Best Industrial Controller: MPC, Fuzzy Logic, or PID?
Linear programs and real-time optimization need the prediction to violation of constraints inherent in MPC.By: Gregory K. McMillan29 November, 2011 | 5 minutes -
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Eliminate Deadtime with Mentoring and Social Media
You cannot avoid the need to spend time in the field. Knowledge can be accelerated by communicating with the "best," directly and through ISA publicationsBy: Gregory K. McMillan08 August, 2011 | 4 minutes
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