Emerson's Chris Womack discusses process control with IEC 62591 wireless devices in today's guest post. Using wireless devices in process control still isn't that common, but it's going to be. With its quick and easy installation, wireless technology is often used for...
PID control
Steps to Effective PID Loop Tuning
Sometimes when you read an article about tuning proportional-integral-derivative (PID) loops, you're treated to all the 2nd order differential equations they contain. These can be intimidating, especially if your college calculus classes are many years in the rearview...
Simplify PID Tuning to Meet Process Objectives Webinar
Today must be the day to make you aware of January 16 webinars. I have another one to share with you, Simplify PID Tuning to Meet Process Objectives, by Control Talk blog's Greg McMillan. The webinar is scheduled for 12:30-1:30pm EST (9:30-10:30am PST) on Jan 16. You...
Automating Process Development Labs
For pharmaceutical and biotech manufacturers, the process of drug compound experimentation requires robust and reproducible results before the scale up process can begin. Emerson's Chris Amstutz pointed me to a great whitepaper by Broadley James, Automating Industrial...
Lambda Tuning-Yeah or Neah?
I saw a recent ControlGlobal.com article by process control legend, Greg Shinskey, The Case Against Lambda Tuning. He writes: In recent years, this practice of emulating model-based response using PID controllers has been simplified with the introduction of "Lambda"...
Increasing Intelligence in PID Control
Last week, I highlighted a narrated presentation on PID control advances by Emerson's Terry Blevins. Also at this IFAC Conference on Advances in Process Control PID'12, Terry presented Intelligent PID Product Design. A paper to complement this presentation was...
Course on Effective Use of Measurements, Valves, and PID Controllers
Greg McMillan, of the ControlGlobal.com Control Talk blog, is conducting a professional development course at the ISA Edmonton 2012 Exhibit & Conference, tomorrow, April 18th from 10:00 am to 5:00 pm. The title of his course is Effective Use of Measurements,...
Wireless Device-Based Control Loops
ControlGlobal.com has a great article, Addressing Control Applications Using Wireless Devices—How Wired and Wireless Transmitter Installations Differ in Closed-Loop Control Applications and What Changes Are Required in the PID, by Emerson's Terry Blevins, Mark Nixon,...
The Story behind Wireless Device Closed PID Loop Control
Emerson's Terry Blevins has a series of ModelingAndControl.com posts going on the subject of control with IEC 62591 wireless field devices. Posts to date include: Control Using Wireless Devices – Part 1 Control Using Wireless Devices – Namur's Interest Control Using...
Dealing with Deadtime is Process Control Job Security
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...
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...
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