You've likely heard the phrases pervasive sensing and the industrial internet of things (IIoT) tossed about. But what are some real examples of how they help process manufacturers and producers? I came across this excellent case study on the use of wireless...
Production
Distillation Column Control Basics – Part 3
Part 1 in the series addressed basic distillation column control and Part 2 explored inferential composition measurement and control design. In today's post I share how we need to consider how to close the material balance and the application of advanced process...
PID Control in 3-Phase Oil and Gas Separation
The PID controller entry in Wikipedia highlights the beginning of proportional+integral+derivative control going all the way back to the 19th century: PID controllers date to 1890s governor design.[2][3] PID controllers were subsequently developed in automatic ship...
Solving Business-Critical Issues via Pervasive Sensing
The constant improvements in electronics and communications technology has made many things much easier to track, monitor and control. In a hazardex article, The advantages of pervasive sensing, Emerson's Deanna Johnson describes how sensing technologies, once...
Distillation Column Control Basics – Part 2
In part 1, we looked at how control has been traditionally performed on distillation columns. We'll look at some improvements in today's post. Inferential Composition Measurement One thing required for distillation column control is product quality measurement. This...
Distillation Column Control Basics – Part 1
Lou Heavner explains how control has been traditionally performed on distillation columns.
Lambda Control-Loop Tuning Essentials with James Beall
Having trouble with an oscillating integrating process? Have too much variability in a self-regulated process? Need a refresher about the essentials of Lambda (λ) tuning? Then check out James Beall's workshop at the Jan. 21–23 Texas A&M University 2014...
Applying Lambda Tuning to Six Common Control Challenges
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...
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...
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...
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