June 2009

Columns

HP Control: APC designs for minimum maintenance—Part 1

I, and others, have written much about the difficulties of maintaining advanced process control (APC) applications.1–5 It is a problem to be tackled on many levels. There are issues of manning, t..

Friedman, Y. Z., Petrocontrol

I, and others, have written much about the difficulties of maintaining advanced process control (APC) applications.1–5 It is a problem to be tackled on many levels. There are issues of manning, training and organizing that we APC engineers have only a limited influence on. On the other hand there are other areas that we do indeed influence, and this editorial addresses one of those: Design of the APC application in a way that would make it easily maintainable. What is more important for the APC—to recover 100% of potential benefits or to recover 70% of potential benefits and be easy to comprehend and maintain? Considering the history of APC maintenance the latter is better by far.

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