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http://dx.doi.org/10.1016/j.net.2018.02.006

A water treatment case study for quantifying model performance with multilevel flow modeling  

Nielsen, Emil K. (Department of Electrical Engineering, Technical University of Denmark)
Bram, Mads V. (Department of Energy Technology, Aalborg University)
Frutiger, Jerome (Department of Chemical Engineering, Technical University of Denmark)
Sin, Gurkan (Department of Chemical Engineering, Technical University of Denmark)
Lind, Morten (Department of Electrical Engineering, Technical University of Denmark)
Publication Information
Nuclear Engineering and Technology / v.50, no.4, 2018 , pp. 532-541 More about this Journal
Abstract
Decision support systems are a key focus of research on developing control rooms to aid operators in making reliable decisions and reducing incidents caused by human errors. For this purpose, models of complex systems can be developed to diagnose causes or consequences for specific alarms. Models applied in safety systems of complex and safety-critical systems require rigorous and reliable model building and testing. Multilevel flow modeling is a qualitative and discrete method for diagnosing faults and has previously only been validated by subjective and qualitative means. To ensure reliability during operation, this work aims to synthesize a procedure to measure model performance according to diagnostic requirements. A simple procedure is proposed for validating and evaluating the concept of multilevel flow modeling. For this purpose, expert statements, dynamic process simulations, and pilot plant experiments are used for validation of simple multilevel flow modeling models of a hydrocyclone unit for oil removal from produced water.
Keywords
Fault Diagnosis; Model Validation; Multilevel Flow Modeling; Produced Water Treatment;
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