June 2006

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HP Control: Solomon Associates' advanced process control survey

Measuring advanced process control (APC) benefits is as important as it is difficult. We justify APC projects on estimations that the unit operation would improve. To the extent that these preproject ..

Friedman, Y. Z., Petrocontrol

Measuring advanced process control (APC) benefits is as important as it is difficult. We justify APC projects on estimations that the unit operation would improve. To the extent that these preproject numbers are based on a fairly deep process engineering analysis of the history of operation, they are believable. After commissioning an application we perform another process engineering exercise, a post-project audit, showing that indeed this application, with the right tuning parameters and operating targets, is making money. But what about long-term monitoring? Can we show that an application makes money day in and day out? That unit stability is maintained, inferential models are reliable

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