A preliminary design of a health monitoring system for automated vehicles is developed and tests usind a high-fidelity nonlinear simulation are very encouraging. The approach is to fuse datafrom dissimilar instruments using modeled dynamic relationships and fault detection and identification filters. The filters are constructed so that the residual has static directional characteristics associated with the presence of a fault. These patterns may be blurred by sensor noise, disturbances, unmodeled dynamics and nonlinearities. A Bayesian neural network is designed to produce a probability that a fault has occured conditioned on the residuals. This is done by recognizing, in a stochastic sense, quasi-static fault patterns embedded in the residual.


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    Title :

    Fault detection and identification for advanced vehicle control systems


    Additional title:

    Fehlererkennung und Identifizierung in fortschrittlichen Fahrzeugregelungssystemen


    Contributors:
    Douglas, R.K. (author) / Malladi, D.P. (author) / Chen, R.H. (author) / Mingori, D.L. (author) / Speyer, J.L. (author)

    Published in:

    Publication date :

    1996


    Size :

    6 Seiten, 2 Bilder, 3 Tabellen, 13 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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