How to Manage Pipeline Valve Positioner and PID Tuning

How to Manage Pipeline Valve Positioner and PID Tuning

The following technical discussion is part of an occasional series showcasing the ISA Mentor Program, authored by Greg McMillan, industry consultant, author of numerous process control books, 2010 ISA Life Achievement Award recipient and retired Senior Fellow from...
Webinar Recording: How to Use Key PID Controller Features

Webinar Recording: How to Use Key PID Controller Features

This educational ISA webinar on control valves was introduced by Greg McMillan and presented by Hector Torres, in conjunction with the ISA Mentor Program. Greg is an industry consultant, author of numerous process control books, 2010 ISA Life Achievement Award...
Feedforward Control Enables Flexible, Sustainable Manufacturing

Feedforward Control Enables Flexible, Sustainable Manufacturing

This article was authored by Greg McMillan, industry consultant, author of numerous process control books, 2010 ISA Life Achievement Award recipient and retired Senior Fellow from Solutia Inc (now Eastman Chemical).   The reduction in inventories, coupled with...
PID Controller Tuning Rules

PID Controller Tuning Rules

This article was authored by Greg McMillan, industry consultant, author of numerous process control books, 2010 ISA Life Achievement Award recipient and retired Senior Fellow from Solutia Inc. (now Eastman Chemical).   Nearly every automation system supplier,...
Simple Robust Auto-Tuning Rules for 2-DoF PID Controllers

Simple Robust Auto-Tuning Rules for 2-DoF PID Controllers

This post is an excerpt from the journal ISA Transactions.  All ISA Transactions articles are free to ISA members, or can be purchased from Elsevier Press.   Abstract: This paper addresses the problem of providing simple tuning rules for a two-degree-of-freedom...
How to Avoid Common Tuning Mistakes With PID Controllers

How to Avoid Common Tuning Mistakes With PID Controllers

This article was written by Greg McMillan, industry consultant, author of numerous process control books, 2010 ISA Life Achievement Award recipient and retired Senior Fellow from Solutia Inc. (now Eastman Chemical).   The proportional, integral, derivative (PID)...
PID Tuning for Near and True Integrating Processes

PID Tuning for Near and True Integrating Processes

The following technical discussion is part of an occasional series showcasing the ISA Mentor Program, authored by Greg McMillan, industry consultant, author of numerous process control books, 2010 ISA Life Achievement Award recipient and retired Senior Fellow from...

Supplementing PID Feedback Control with Feedforward Action

This guest blog post was written by Rick Slaugenhaupt, a senior engineer for MAVERICK Technologies. This is Part 2 of a two-part series. Click this link to read Part 1. As described in the first part of this blog series, the ubiquitous PID is applied to nearly every...

Simple Enhancement of PID Control

This guest blog post was written by Rick Slaugenhaupt, a senior engineer for MAVERICK Technologies. This is part one of a two-part series. Click this link to read Part 2. The venerable PID is assuredly the most widely used algorithm in industrial process control. Its...

How to Optimize Batch End Points and Cycle Times

The following tip is from the ISA book by Greg McMillan and Hunter Vegas titled 101 Tips for a Successful Automation Career, inspired by the ISA Mentor Program. This is Tip #96. When I was leaving for college, my Dad said, “Make sure you use a good grain analyzer to...

How to Make Reset Time and Feedforward Action Smarter

The following tip is from the ISA book by Greg McMillan and Hunter Vegas titled 101 Tips for a Successful Automation Career, inspired by the ISA Mentor Program. This is Tip #92.   The reset time can be approximated as a factor of the deadtime, but this dimensionless...

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