I've heard ModelingAndControl.com's Greg McMillan say this many times, "Without deadtime, I might be out of a job." I found a reference to this quote on page 31 of his freely available eBook, A Funny Thing Happened On The Way To The Control Room. He is more emphatic...
PID control
Eliminating Confusion and Misinformation with Loop Performance Equations
Back in May in a post, Industrial Applications of PID Control, I highlighted a new book ModelingAndControl.com blog's Greg McMillan was writing, PID Control in the third Millennium – Lessons Learned and New Approaches. In the post, Greg provided a free chapter for...
Uncovering the Problems Hiding in Your Control Loops
Sometimes the problems that limit production in some way are not readily apparent. I recently connected with Emerson's Mark Coughran about his new role in consulting with oil & gas producers on ways to optimize their production. He and other industry consultants...
Industrial Applications of PID Control
Modeling and Control blog's Greg McMillan continues to share his process control expertise with the world. He's working on another book, PID Control in the third Millennium - Lessons Learned and New Approaches, which is targeted for release this summer. Greg has...
Tuning Considerations in Surge Tank Level Control
Chemical Processing magazine has a great article, Be Levelheaded About Surge-Tank Control. I shared it with Emerson's James Beall asking for his thoughts. He noted that surge tank level control is a common application in many of the process industries. Often a surge...
How to Reduce Discontinuities, Nonlinearities and Oscillations in Split Range Control
Greg McMillan resumes his online demonstration / seminar (a.k.a. deminar) series this Wednesday, March 9, 2011. The subject will be PID and PIDPlus Split Range Control--How to reduce the discontinuity, nonlinearity, and oscillations across the split range point. The...
Process Control Improvement Learning Opportunities
Update: Here are links to the presentations: Day 1 Day 2 Day 3 Modeling and Control blog's Greg McMillan is presenting an ISA Saint Louis Short Course today through Wednesday. Greg describes the course, Exceptional Opportunities - An Interactive Exploration of Process...
Busting Deadtime Compensation Myths
Greg McMillan resumes his demo/seminar (a.k.a. deminar) series this Wednesday, Oct 13, at 10am CDT/13:00 UTC. His topic will be Dead Time Compensator Myth Buster. He'll tackle the following myths: Deadtime is eliminated from loop Control is faster for existing tuning...
Three Tough Level Control Challenges
Emerson's Sergei Kuznetsov will be presenting at the rapidly approaching Emerson Exchange Technical Conference. In his presentation, Three Non-conventional Level Control Applications, Sergei shares how to approach three quirky level control challenges: Particle bin...
PID Control of True Integrating Processes – Greg McMillan Deminar
ModelingAndControl.com's Greg McMillan is resuming his demo/seminar (a.k.a. deminar) series tomorrow, August 11, 2010. The subject will be reducing batch cycle time and startup time for true integrating processes through improved PID control. The deminar will begin at...
PID Control for Loops with Wireless Measurement and Final Control Elements
The ever-prolific Greg McMillan is at it again with an article, Wireless - Overcoming challenges of PID control & analyzer applications in the July/August edition of Intech. His article concludes: Wireless and composition measurements offer a significant...
PID Tuning for Self-Regulating Processes – Greg McMillan Deminar
This Wednesday is Greg McMillan's next deminar (demo/seminar.) The topic is PID Tuning for Self-Regulating Processes--How to Compensate for Nonlinearities in Flow, Liquid Pressure, and Heat Exchanger Loops. It will begin at 10:00 am CDT (13:00 UTC). We hope you'll...
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