Process Control
Delayed coker heater analysis using an artificial neural network
The model was used to study the effects of the many variables that affect coke formation
Implement a constrained optimal control in a conventional level controller - Part 2
Novel tuning method enables a conventional PI controller to explicitly handle the three important operational constraints of a liquid level loop in an optimal manner as well as copes with a broad range of level control from tight to averaging control
HP Control: Back to the future: Process control in 2010
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 Integration Strategies: Control in the field enables high-availability control
Replacing analog 4-20 mA technology with a digital network was a major driver behind developing FOUNDATION fieldbus technology. However, what really differentiates FOUNDATION fieldbus from Profibus PA..
Implement a constrained optimal control in a conventional level controller - Part 1
Novel tuning method enables a conventional PI controller to explicitly handle the three important operational constraints of a liquid level loop in an optimal manner as well as copes with a broad range of level control from tight to averaging control
Fine tune accuracy in analytic measurement - Part 3
Follow these steps to avoid compromising a sample
HP Control: More on APC designs for minimum maintenance
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..
Fine tune accuracy in analytic measurement - Part 2
Follow these recommendations for correct analyzer calibration
HP Control: APC for min maintenance or max profit? - Part 2
While I have promoted proper control system performance indicators18–25 since 1964, like Dr. Y. Zak Friedman,1 I also am aware of some deeper problems with realizing its full commercial potential..
Practical process control system metrics
Here are several useful examples
- Envision Energy powers world's first green marine ammonia bunkering 7/25
- New catalyst breakthrough could make clean ammonia easier to produce 7/25
- U.S. Gulf refiners seek Middle East, S. American oil to offset Venezuela, Mexico losses 7/25
- CEO of Russia-backed Indian refiner Nayara resigns after EU sanctions 7/25
- PetroChina makes FID for new northeast refinery complex 7/25
- Valero Energy beats Q2 profit estimates as refining margins improve 7/24
