Process Control
Not all safety integrity level 3 safety systems are the same
Most of the differences relate to online availability
Performing safety life cycle analysis helps mitigate process hazards
Using integrity levels and instrumented functions is necessary for safe process design
Abnormal situation prevention through smart field devices
High-speed data capture and analysis can detect many process anomalies
Predicting cavitation damage in control valves
New method evaluates noise in the ultrasonic range
Demise and keys to the rise of process control
Modeling the penalty for violating constraints as well as modeling the credit for approaching them, and shared-risk shared-reward business practices are the solutions
Integrated planning solution bolsters supply chain management
The approach uses synergies that exist between various refinery functions to maximize corporate profit
HP Control: Where has engineering judgment gone?
One of my clients has a dozen or so distillation multi-variable predictive control (MVPC) applications, implemented by one of the major advanced process control (APC) vendors. These applications have ..
Hydrogen desulfurization extends fuel cell life
Using this analytical technique can improve overall performance
Applying instrumented overpressure protection systems
Transient analysis is required to verify their effectiveness
Consider the generalized IMC-PID method for PID controller tuning of time-delay processes
This simple analytical method provides PID parameters to give a desired closed-loop response while available for any class of time-delay processes
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