Kern, A.

APC Performance LLC, Phoenix, Arizona

Allan Kern is a control engineering consultant withAPC Performance, LLC, where he is responsible for advanced process control, including XMC. He has35 yr of industrial process control experience and has authored numerous papers on a wide range of practical process automation solutions. He earned a BS degree in chemical engineering from theUniversity of Wyoming, and holds professional engineering licenses in chemical engineering and control systems engineering.

Advanced process control metrics: Closing the loop on APC performance

Kern, A., APC Performance LLC

For more than 30 yr, advanced process control (APC) has established itself as an important and relatively routine and valued part of the industrial process control and operation landscape.

The next generation of advanced process control

Kern, A., APC Performance LLC; Andrew, Bob, Hydrocarbon Processing Staff

In this article, Hydrocarbon Processing provides published references on model-based control, and contributing author Allan Kern presents his views on model-less control.

The lost art of proportional band, and the accidental art of performance monitoring

Kern, A., APC Performance LLC

Most control engineers know that proportional band and controller gain are largely interchangeable terms—both terms refer to the proportional setting of a proportional-integral-derivative (PID) controller and are commonly used by control system manufacturers.