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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.
270 Results Found
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Webinar Recording: Temperature Measurement and Control
Temperature is the most important common measurement that is critical for process efficiency and capacity.By: Gregory K. McMillan23 April, 2018 | 1 minutes -
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What are New Technologies and Approaches for Batch and Continuous Process Control?
For any type of analysis or prediction, whether using ANN or MSPC, you need to have inputs that show the variability in the process.By: Gregory K. McMillan08 January, 2018 | 11 minutes -
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What Are Best Practices and Standards for Control Narratives?
When creating detailed control narratives for existing controls, use established standards and industry best practices.By: Gregory K. McMillan04 December, 2017 | 4 minutes -
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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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Feedforward Control Enables Flexible, Sustainable Manufacturing
Feedforward provides preemptive corrective action for production rate and grade changes enabling key PID controllers to provide consistent product quality.By: Gregory K. McMillan01 May, 2017 | 13 minutes -
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PID Controller Tuning Rules
Safety, equipment and environmental protection, process efficiency and capacity, product quality, and control system maintenance depend on PID tuning.By: Gregory K. McMillan17 April, 2017 | 9 minutes -
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What Are Best Cutover Strategies for Upgrading an Industrial Plant?
When retrofitting an industrial plant, review budget, schedule, financial justification for the project, as well as all areas of concern such as shutdown.By: Gregory K. McMillan19 December, 2016 | 10 minutes -
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How to Avoid Common Tuning Mistakes With PID Controllers
The success of advanced control depends on the basic control system foundation. The PID controller is the common key component of all control loops.By: Gregory K. McMillan05 October, 2016 | 15 minutes -
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The Good, Bad, and Ugly of Thermal Mass Flowmeters
Thermal mass flowmeters can be a relatively inexpensive flowmeter that can handle extremely small and large flowsBy: Gregory K. McMillan29 August, 2016 | 5 minutes -
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PID Tuning for Near and True Integrating Processes
The most important loops on vessels and columns typically have a near or true integrating response.By: Gregory K. McMillan08 August, 2016 | 8 minutes -
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What are the Equivalent Methods to Eliminate Proportional Step and Derivative Kick?
There are several methods for eliminating or controlling the proportional step and derivative kick in a PID output resulting from a change of setpoint.By: Gregory K. McMillan25 January, 2016 | 5 minutes -
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What Is the Definition of PID Bumpless Transfer?
Bumpless transfer and how a new operating point can be achieved quickly and smoothly after the PID is switched to automatic mode.By: Gregory K. McMillan28 December, 2015 | 6 minutes -
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How Do You Measure Control System Performance?
Seek a suite of practical metrics in terms of key performance indicators that can have an impact on plant control system performance.By: Gregory K. McMillan02 December, 2015 | 4 minutes -
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How Do You Convert Tuning Settings of an Independent PID?
Considerable confusion exists on how the PID Form affects tuning settings. Lack of understanding of Form & units of settings can lead to disastrous results.By: Gregory K. McMillan04 November, 2015 | 7 minutes -
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How to Better Understand Integrating and Runaway Process Dynamics
Technical discussion on how to improve industrial automation operations by understanding integrating and runaway process dynamicsBy: Gregory K. McMillan21 September, 2015 | 4 minutes -
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Better Process Control by Understanding Self-Regulating Process Dynamics
The three types of processes in the automation industry are self-regulating, integrating, and runaway.By: Gregory K. McMillan07 September, 2015 | 6 minutes -
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Benefits of Good Tuning: Increased Production and Profitability, Reduced Variability
For control loop tuning, the first settings that must be right are the controller and valve actions. If these actions are not right, nothing else matters.By: Gregory K. McMillan02 September, 2015 | 6 minutes
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