Last year, some controversy broke out in the process automation and control community about the use of Lambda tuning for proportional-integral-derivative (PID)-based control. In a post, Lambda Tuning-Yeah or Neah?, we offered a differing view to a Control magazine...
Advanced Control Team
With Smart Process Distillation, James Beall Finds Hidden Savings for Gulf Coast Plastics Plant
Last week, Emerson Consultant James Beall was working with a major U.S. plastics facility on the Texas Gulf Coast, helping the firm figure out how it might save some of the money it spends on distillation energy by using Emerson's Smart Process Distillation Column...
Custody Transfer Risk Assessment
It is one thing to transfer ownership between seller and buyer when the item sold comes in discrete units. It's another when it is a free-flowing fluid through pipes. In the process industries, this ownership transfer is known as custody transfer. Wikipedia defines...
Process Control with Wireless Devices
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...
Getting the Converted PID Values Right
I received an interesting story from Emerson's James Beall about a process manufacturer with a process filled with many fermentors. They were being converted over from Provox control systems to DeltaV systems. pH control was a key part of the plant's fermentation...
Making Advanced Process Control Practical
It's human nature to operate within a comfort zone. For plant operators, where the stakes are incredibly high, it means operating away from constraint limits. Unfortunately, to maximize the performance of the process, it means to get as close to the limits as you can...
Tuning Integrating Process Loops
Earlier this week, I highlighted a presentation by Emerson's James Beall, Fundamentals of Modern Loop Tuning. I shared his approach for tuning self-regulating loops and the sequence to tune interacting loops. Today, I'll share some guidance from the portion of the...
How to Tune Self-Regulating Control Loops
I've highlighted a few Emerson presentations for this week's ChemInnovations conference in New Orleans. Emerson's James Beall, a 30-year veteran in process control and chairman of the ISA 75.25 committee on control valve performance testing, shared his ChemInnovations...
Examples of Control Performance Improvement
An important part of a smooth running plant is optimizing the performance of the control loops. Emerson's Mark Coughran, a senior process control consultant, describes and shares examples of how loop optimization is a part of a control performance program in regulated...
Master the Mystery and Marvels of DeltaV Model Predictive Control
Emerson's James Beall presented Master the Mystery and Marvels of DeltaV MPC at the 2012 Emerson Exchange. His abstract: Have you found the perfect application for Model Predictive Control (MPC) but don't know how to get started? Or perhaps you have implemented an MPC...
Optimizing LNG Plant Projects and Process Operations
While the energy markets continue to adjust to the growing supplies of natural gas through increasing shale gas production, project and operational goals around shorter schedules, faster startups, and maximized production rates remain constant. I caught up with...
Process Optimization Opportunities for Upstream Oil and Gas Producers
We've shared many stories of process optimization situations and opportunities on this blog. I caught up with Emerson's Mark Coughran, whom you may recall from many process optimization-related posts. Mark noted that upstream oil and gas producers also have...
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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.