Let's highlight a few more of the accepted presentations from Emerson experts presenting at the October 12-16 Emerson Exchange conference in Denver. You can download a spreadsheet with the entire list of accepted abstracts here. These presentations share experiences,...
In the Process Control LinkedIn group, a question was asked: Positioners seem very popular now, but most lines with valves have flow meters attached. Won't a flow loop make the positioner redundant? When asked for clarification, the original poster explained: As far...
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...
This time of year, after our big Emerson Exchange conference, I like to go back and see what sessions I missed to be able to be able to recap for you. I caught up with Emerson's Mark Coughran, whom you may recall from many control performance-related posts. He...
Effectively controlling the drum level in an industrial boiler helps to maximize overall energy efficiency. When the drum level varies it can not only impact boiler efficiency, but overall reliability due to unplanned shutdowns. Emerson's Mark Coughran shared a story...
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...
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...
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...
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...
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...
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...
I discovered Nick Denbow's Industrial Automation Insider blog this weekend and added it to my list of automation and process industries-related blogs. He had a post about university students studying the feasibility of using liquefied natural gas (LNG) as a fuel...
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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.