Environment & Safety Gas Processing/LNG Maintenance & Reliability Petrochemicals Process Control Process Optimization Project Management Refining

Kern, A.G.

Tesoro Corp., Los Angeles, California

HP Control: Automation: The path to reliability

Tesoro Corp.: Kern, A.G.

Consider the view looking back from 2020. Will the current decade be the decade of process automation? This may seem a puzzling way to frame the question. We have been automating for several decades. ..

Safety instrumented function design reduces nuisance trips

Tesoro Corp.: Kern, A.G.

Implementing low-cost best practices can provide peace of mind

HP Control: Reshaping process control: A corporate prerogative

Tesoro Corp.: Kern, A.G.

Prior to the 1980s, process control was in the dark ages. Our main “technology” was the single-loop controller, despite that it operated obliviously to the many interactions and non-first or..

HP Control: Lose the pyramid (and find process control success)

Tesoro Corp.: Kern, A.G.

Most people would classify multi-variable control—or advanced process control (APC)—over the past 20 years as a “slam dunk” in terms of process control, automation and optimization..

HP Viewpoint: Advanced process control: Optimization or control

Tesoro Corp.: Kern, A.G.

After 20 years of advanced process control (APC) praise, a reckoning is now taking shape, with some challenging questions, such as: What happened to the original vision of “true real-time optimiz..

HP Viewpoint: Weighing on dual-temperature control

Tesoro Corp.: Kern, A.G.

I’d like to weigh in again on the continuing debate regarding distillation column control.1–4 Attention has now turned to the practicality of “dual temperature” control,which is th..

HP Control: Continuous improvement or core-competency?

Tesoro Corp.: Kern, A.G.

In the past decade or two, the concepts of key performance indicators (KPIs), continuous improvement, core-competency and best practices have received a lot of attention. What are the relationships be..

HP Control: Back to the future: Process control in 2010

Tesoro Corp.: Kern, A.G.

Where will process control money be spent in 2010? The choices include field instruments, safety systems (SISs), control system upgrades (DCSs), multivariable predictive control (MPC) and decision-sup..

HP Control: More on APC designs for minimum maintenance

Tesoro Corp.: Kern, A.G.

Perhaps Zak Friedman struck the perfect balance in his series of editorials,1 because while Dr. Latour thinks Zak went too far in his suggestions to prune multivariable control (MPC) matrices,2 I woul..

Practical process control system metrics

Tesoro Corp.: Kern, A.G.

Here are several useful examples

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