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Título

Limnimeter and rain gauge FDI in sewer networks using an interval parity equations based detection approach and an enhanced isolation scheme

AutorPuig, Vicenç; Blesa, Joaquim
Palabras claveFault detection
Sewer networks
Fault isolation
Robust methods
Fecha de publicación2013
EditorElsevier
CitaciónControl Engineering Practice 21(2): 146-170 (2013)
ResumenIn this paper, a methodology for limnimeter and rain-gauge fault detection and isolation (FDI) in sewer networks is presented. The proposed model based FDI approach uses interval parity equations for fault detection in order to enhance robustness against modelling errors and noise. They both are assumed unknown but bounded, following the so-called interval (or set-membership) approach. On the other hand, fault isolation relies on an algorithm that reasons using several fault signature matrices that store additional information to the typical binary one used in standard FDI approaches. More precisely, the considered fault signature matrices contain information about residual fault sign/sensitivity and time/order of activation. The paper also proposes an identification procedure to obtain the interval models used in fault detection that delivers the nominal model plus parameter uncertainty is proposed. To exemplify the proposed FDI methodology, a case study based on the Barcelona sewer network is used. © 2012 Elsevier Ltd.
Versión del editorhttp://dx.doi.org/10.1016/j.conengprac.2012.09.015
URIhttp://hdl.handle.net/10261/96421
DOI10.1016/j.conengprac.2012.09.015
Identificadoresdoi: 10.1016/j.conengprac.2012.09.015
issn: 0967-0661
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