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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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Ask the Automation Pros: How Can We Enhance Control System Reliability?
In the latest edition of the Ask the Automation Pros column, the pros share strategies for enhancing control system reliability.By: Peter Morgan, Hunter Vegas, Erik Cornelsen, Gregory K. McMillan, R. Russell Rhinehart, Bob Heider, Edward J. Farmer15 September, 2026 | 13 minutes -
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Ask the Automation Pros: What University Projects Are Needed to Support Process Control?
Like a lot of things in engineering and construction, it’s hard to teach everything and risky not to, but getting it right the first time saves time and money.By: R. Russell Rhinehart, Mark Darby, Gregory K. McMillan, Peter Morgan, Michael Taube, Matthew Howard, Héctor H. Torres, Pat Dixon, Julie F. Smith, Bob Heider, George Buckbee, Michel Ruel, Edward J. Farmer24 June, 2026 | 15 minutes -
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Ask the Automation Pros: What Are the Process Control Simulation Requirements for Automation Projects?
Simulation of process control can ensure productive automation projects. But how much effort should be allocated to simulation, testing and training. ISA’s Automation Professionals weigh in.By: Erik Cornelsen, Julie F. Smith, Gregory K. McMillan, Edin Rakovic20 May, 2026 | 4 minutes -
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Ask the Automation Pros: How Can You Ensure the Best Rate of Change in the PID Manipulated Variable?
What is the best strategy to get the best rate of change in the PID for a manipulated variable, or is there a more elegant solution within the control strategy itself? Answer includes example applications and guidance on how PID tuning can meet objectives.By: Gregory K. McMillan30 March, 2026 | 16 minutes -
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Ask the Automation Pros: What Topics Should Be Covered in an Undergraduate Process Control Course?
In the latest edition of the Ask the Automation Pros column, the pros share their insights on what topics should be covered in an undergraduate first course on process control, particularly in chemical engineering, but possibly also in mechanical and electrical engineering.By: Gregory K. McMillan12 February, 2026 | 40 minutes -
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Ask the Automation Pros: What Are the Prospects for an Autonomous Process Manufacturing Unit?
In the latest edition of the Ask the Automation Pros column, the pros share their insights on prospects for an autonomous process manufacturing unit.By: Gregory K. McMillan23 January, 2026 | 15 minutes -
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Data Historians: Turning ‘Digital Landfills’ Into Strategic Assets
ISA Fellows and others discuss what’s needed to turn process data into performance improvement.By: Gregory K. McMillan14 January, 2026 | 9 minutesSponsored By International Society of Automation (ISA) -
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Ask the Automation Pros: How Can You Get the Most Knowledge from a Data Historian?
In this entry in the Ask the Automation Pros blog series, the pros answer the question of how to get the most knowledge from a data historian.By: Gregory K. McMillan16 December, 2025 | 17 minutes -
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Ask the Automation Pros: What Can Be Done to Improve the Accuracy of Totalized Liquid Mass Charge?
In the latest post in the Ask the Automation Pros blog series, the pros explain what can be done to improve the accuracy of totalized liquid mass charge.By: Gregory K. McMillan21 November, 2025 | 12 minutes -
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Ask the Automation Pros: What Are the Consequences of an Overemphasis on Reducing Project Cost?
In the latest post of the Ask the Automation Pros blog series, the pros discuss potential consequences of an overemphasis on reducing industrial automation project costs.By: Gregory K. McMillan07 October, 2025 | 16 minutes -
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Ask the Automation Pros: How Is Process Control Different from Other Industrial Control Disciplines?
In the latest post of the Ask the Automation Pros blog series, the pros discuss what makes process control different from other industrial control disciplines.By: Gregory K. McMillan09 September, 2025 | 9 minutes -
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Ask the Automation Pros: Useful Books for Process Control
In the latest post of the Ask the Automation Pros blog series, the pros discuss useful books for process control.By: Gregory K. McMillan25 July, 2025 | 19 minutes -
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Ask the Automation Pros: Dealing with Interacting PID Loops
In the latest post of the Ask the Automation Pros blog series, the pros explore how to deal with interacting PID loops.By: Gregory K. McMillan20 June, 2025 | 15 minutes -
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Ask the Automation Pros: The Past and Future of Process Control
In the latest installment of Ask the Automation Pros, the pros take a look at the past and future of process control.By: Gregory K. McMillan27 May, 2025 | 36 minutes -
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Ask the Automation Pros: How Do You Specify the Best Control Valve Characteristics?
The latest installment of the Ask the Automation Pros series from ISA describes what to consider when specifying process control valves.By: Gregory K. McMillan28 March, 2025 | 5 minutes -
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Ask the Automation Pros: Achieving the Best Override Control
The latest installment in the Ask the Automation Pros blog post series addresses how to implement the best override control.By: Gregory K. McMillan14 February, 2025 | 14 minutes -
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Ask the Automation Pros: Achieving the Best Feedforward Control
In the latest installment of Ask the Automation Pros, discover best practices to understand where feedforward control is needed and how to implement it.By: Gregory K. McMillan17 January, 2025 | 18 minutes -
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Ask the Automation Pros: Achieving the Best Cascade Control
In the latest installment of the Ask the Automation Pros blog series, automation professionals share their thoughts on achieving the best cascade control.By: Gregory K. McMillan06 December, 2024 | 19 minutes -
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Ask the Automation Pros: The Use of Artificial Intelligence in Process Control
In the latest installment of the Ask the Automation Pros blog series, experts provide thoughts about the use of artificial intelligence in process control.By: Gregory K. McMillan12 November, 2024 | 15 minutes -
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Ask the Automation Pros: The Need and Use of Simulation in Process Control
In this entry in the Ask the Automation Pros series, automation experts share their thoughts on the need and use of simulation in process control.By: Gregory K. McMillan18 October, 2024 | 19 minutes
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