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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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Increases In Instrument Application or Installation Issues
Mike Laspisa shares a Q&A with various experts regarding instrumentation specification expertise, covering topics such as selection and installation.By: Gregory K. McMillan01 June, 2021 | 4 minutes -
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The Best Level for Optimization and Organization in the Smart Factory
Automation professionals from the ISA Mentor Program answer questions about optimization and organization in smart factories.By: Gregory K. McMillan20 April, 2021 | 8 minutes -
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9 Automation Engineers' Ideas and Principles for Everyday Working Life
Automation professionals from the ISA Mentor Program share their ideas and principles for everyday working life as an automation engineer.By: Gregory K. McMillan19 March, 2021 | 9 minutes -
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What Are Some Ways to Improve and Prioritize Feedforward and Fast Feedback Control?
Automation professionals from the ISA Mentor Program answer a question about how to improve and prioritize feedforward and fast feedback control.By: Gregory K. McMillan26 February, 2021 | 7 minutes -
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What Are Some Opportunities for Wireless Measurement and Control?
An automation professional from the ISA Mentor Program answers the question: 'What are some opportunities for wireless measurement and control?'By: Gregory K. McMillan19 January, 2021 | 3 minutes -
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How Can We Improve Operator Trust in a PID Controller?
Automation professionals from the ISA Mentor Program answer the question: 'How can we improve operator trust in a PID controller?'By: Gregory K. McMillan04 December, 2020 | 9 minutes -
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Electrical Engineers in Automation: What Are the Success Stories?
Automation professionals from the ISA Mentor Program answer the question: 'Have there been many success stories of electrical engineers in automation?'By: Gregory K. McMillan10 November, 2020 | 5 minutes -
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How to Quickly Identify Tuning Mistakes
Automation professionals from the ISA Mentor Program address a question they received: 'How can one quickly identify tuning mistakes?'By: Gregory K. McMillan02 October, 2020 | 7 minutes -
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How Can We Develop and Motivate New Automation Professionals?
Automation professionals from the ISA Mentor Program address a question they received: 'How can we develop and motivate new automation professionals?'By: Gregory K. McMillan11 September, 2020 | 4 minutes -
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Why Are Engineers So Against Derivative Action?
Automation professionals from the ISA Mentor Program address a question they received: 'Why are engineers so against derivative action?'By: Gregory K. McMillan28 July, 2020 | 7 minutes -
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What Factors Affect Dead Time Identification for a PID Loop?
Automation professionals from the ISA Mentor Program address a question they received: 'What factors affect dead time identification for a PID loop?'By: Gregory K. McMillan19 June, 2020 | 11 minutes -
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Alarm Management and DCS Versus PLC/SCADA Systems
There are very few if any chemical or refinery units that would not benefit from state-based alarming.By: Gregory K. McMillan19 February, 2020 | 9 minutes -
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How to Manage Control Valve Response Issues in the Field
A sensitive flow measurement is needed to identify the installed flow characteristic online.By: Gregory K. McMillan15 January, 2020 | 5 minutes -
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How to Use Industrial Simulation to Increase Learning and Innovation
New projects expose automation professionals to more learning opportunities to continue to grow their skill sets and expertise.By: Gregory K. McMillan18 December, 2019 | 8 minutes -
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How to Avoid Using Multivariable Flow Transmitters
Coriolis meters provide the only true mass flow measurements, which offer a very accurate density measurement as well.By: Gregory K. McMillan18 November, 2019 | 4 minutes -
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Webinar Recording: Lessons Learned During the Migration to a New DCS
DCS migration topics: proper setting of tuning parameters, controller output scales, anti-reset windup limits, grounding, wiring, & configuration practices.By: Gregory K. McMillan02 October, 2019 | 2 minutes -
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Webinar Recording: Small Batch Manufacturing
Tips and lessons on the use of anti-reset windup limits, override control, isolation valves, smart alarms, mass flowmeters, and the enforcement of low-flow limits.By: Gregory K. McMillan04 September, 2019 | 1 minutes -
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How Often Do Measurements Need to Be Calibrated?
The ISA recommended practice is not on the process of calibration but on a calibration management systemBy: Gregory K. McMillan17 July, 2019 | 16 minutes -
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Basic Guidelines for Control Valve Selection and Sizing
Control valves often determine the capability of the control system. Poorly sized and selected control valves will make tight control impossible regardless of the control strategy or tuning employed.By: Gregory K. McMillan12 June, 2019 | 14 minutes -
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What Are the Opportunities for Nonlinear Control in Process Industry Applications?
MPC for batch operations can be achieved by translation of controlled variable from batch temperature or composition with a unidirectional response to the slope of the batch profile.By: Gregory K. McMillan15 May, 2019 | 16 minutes -
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How to Implement Effective Safety Instrumented Systems for Process Automation Applications
Systematic failures in industrial systems are best addressed through the implementation of a protective management system, which overlays a quality management system with a project development processBy: Gregory K. McMillan15 April, 2019 | 9 minutes -
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Webinar Recording: The Amazing World of ISA Standards
ISA standards offer a wealth of knowledge and guidance to provide safer and more reliable and effective automation systems.By: Gregory K. McMillan08 April, 2019 | 2 minutes -
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Webinar Recording: Simple Loop Tuning Methods and PID Features to Prevent Oscillations
Simple tuning methods and the PID features that can be used to prevent the oscillations that plague our most important loops.By: Gregory K. McMillan20 March, 2019 | 2 minutes -
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Solutions for Unstable Industrial Processes
Negative resistance also known as positive feedback can cause processes to jump, accelerate and oscillate confusing the control system and the operator.By: Gregory K. McMillan13 March, 2019 | 8 minutes -
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What Skill Sets Do You Need to Excel at IIoT Applications in an Automation Industry Career?
The Industrial Internet of Things offers much greater availability of data to provide the knowledge needed to sustain and improve plant safety, reliability and performance.By: Gregory K. McMillan20 February, 2019 | 6 minutes -
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Webinar Recording: Practical Limits to Control Loop Performance
Learn the contribution of each PID mode, why reset time is orders of magnitude too small for most composition and temperature loops, and other PID controller issues.By: Gregory K. McMillan11 February, 2019 | 2 minutes -
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How to Get Started with Effective Use of OPC
OPC is a client/server protocol. The server has a list of data points (normally in a tree structure) that it provides. A client can connect to a server and pick a set of data points it wishes to use.By: Gregory K. McMillan14 January, 2019 | 5 minutes -
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Webinar Recording: PID and Loop Tuning Options and Solutions for Industrial Applications
Learn the benefits of knowing your process and PID capability, with a focus on process behavior, loop objectives and different industrial applications.By: Gregory K. McMillan19 December, 2018 | 1 minutes -
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How to Improve Loop Performance for Dead Time Dominant Systems
Dead time is the source of the ultimate limit to control loop performance.By: Gregory K. McMillan17 December, 2018 | 5 minutes -
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How to Setup and Identify Process Models for Model Predictive Control
Sometimes the design will need to change during a step test as you learn more about the process.By: Gregory K. McMillan21 November, 2018 | 4 minutes
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