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Efficient optimal sensor placement for model-based FDI using an incremental algorithm

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4 Author(s)
Albert Rosich ; Automatic Control Department, Universitat Politecnica de Catalunya, Rambla de Sant Nebridi, 10, 08222 Terrassa, Spain ; Ramon Sarrate ; Vicenc Puig ; Teresa Escobet

The problem of optimal sensor placement for FDI consists in determining the set of sensors that minimizes a pre-defined cost function satisfying at the same time a pre-established set of FDI specifications for a given set of faults. Existing approaches are mainly based on formulating an optimization problem once the sets of all possible ARRs has been generated, considering all possible candidate sensors installed. However, the associated computational complexity is exponential with the number of possible sensors. The main goal of this paper is to propose an incremental algorithm for FDI sensor placement that tries to avoid the computational burden. To show the effectiveness of this approach, an application based on a fuel-cell system is proposed.

Published in:

Decision and Control, 2007 46th IEEE Conference on

Date of Conference:

12-14 Dec. 2007