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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.
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Feature
When and How to Use Derivative Action in a PID Controller
The least frequently used mode in a PID controller, derivative is more useful when dead time is not pure dead time but is a series of small time constants.By: Gregory K. McMillan22 November, 2017 | 6 minutes -
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How to Manage Pipeline Valve Positioner and PID Tuning
In general use the highest valve positioner gain that does not cause oscillation. For pipeline flow and pressure control, oscillations are not filtered.By: Gregory K. McMillan06 November, 2017 | 8 minutes -
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Webinar Recording: How to Get the Most Out of Control Valves
The data that is really needed when selecting and sizing a control valve is rarely understood and specified.By: Gregory K. McMillan19 June, 2017 | 1 minutes -
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How to Overcome Challenges of PID Control and Analyzer Applications via Wireless Measurements
An enhanced PID controller simplifies tuning and improves loop stability and reliability for loops dominated by discontinuous measurement updates.By: Gregory K. McMillan22 May, 2017 | 8 minutes
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