Browsing Faculty of Engineering by Author "Marais, Henri"
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Application of exergy-based fault detection in a gas-to-liquids process plant
Greyling, Sarita; Marais, Henri; Van Schoor, George; Uren, Kenneth Richard (MDPI, 2019)Fault detection and isolation (FDI) within the petrochemical industries (PCIs) is largely dominated by statistical techniques. Although a signal-based technique centered on exergy flows within a process plant was proposed, ... -
Computational cost of an exergy-based fault detection scheme implemented in a commercial process simulator
Marais, Henri; Van Schoor, George; Uren, Kenneth R. (Elsevier, 2019)Energy-based fault detection and isolation (FDI) schemes show promise in terms of applicability to petrochemical industries and the broader process industries. Model-based FDI schemes offer pronounced advantages over more ... -
The merits of exergy-based fault detection in petrochemical processes
Marais, Henri; Van Schoor, George; Uren, Kenneth R. (Elsevier, 2019)The complexity and multi-domain nature of petrochemical (PC) plants make the application of conventional model-based fault detection and isolation (FDI) techniques a challenging endeavour. Although hybrid FDI schemes aim ...