Multiple soft fault diagnosis of nonlinear dc circuits considering component tolerances

• Autorzy: Tadeusiewicz M. , Hałgas S.
• Języki publikacji: EN

Abstrakty

EN

This paper is devoted to multiple soft fault diagnosis of analog nonlinear circuits. A two-stage algorithm is offered enabling us to locate the faulty circuit components and evaluate their values, considering the component tolerances. At first a preliminary diagnostic procedure is performed, under the assumption that the non-faulty components have nominal values, leading to approximate and tentative results. Then, they are corrected, taking into account the fact that the non-faulty components can assume arbitrary values within their tolerance ranges. This stage of the algorithm is carried out using the linear programming method. As a result some ranges are obtained including possible values of the faulty components. The proposed approach is illustrated with two numerical examples.

Słowa kluczowe

EN

analog circuits; fault diagnosis; multiple faults; nonlinear circuits

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2011
• Tom: Vol. 18, nr 3
• Strony: 349--360
• Opis fizyczny: Bibliogr. 33 poz., rys., wzory

Twórcy

autor

Tadeusiewicz M.

autor

Hałgas S.

• Technical University of Łódź, ul. Stefanowskiego 18/22, 90-924 Łódź, Poland,

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