PID loops are a central component of modulating boiler control systems with applications ranging from basic steam header pressure control to cascading 3-element drum level control. A modern ...

After 33 years with Monsanto and Solutia, I can’t help thinking like a user. Even as a contractor, the user view pervades my motivations and goals. I would make a lousy sales and marketing person.

Plant engineers and technicians are frequently asked to tune the controller when a control loop’s process value has prolonged or significant excursions from the set point. But in many instances, no ...

The well-known and nearly hundred years old "proportional-integral- derivative"(PID) controller is a linear feedback control method which adjusts the input signal by ...

One producer tamed a difficult level control task, improving test separator performance. Anyone who has ever worked in the Canadian Athabasca oil sands production fields knows that the term “tar sands ...