A generic electric vehicle architecture has been proposed and used as a basis for safety analysis (using the methods of ISO 26262 as well as FMEA and FTA) in order to investigate requirements for a prognostic health monitoring system (PHMS) to monitor the electrical powertrain components. The failure mechanisms associated with the electrical machine and its associated power electronics have also been analysed in more detail, also using FMEA and FTA methods as well as Ishikawa diagrams. Opportunities for condition monitoring of electrical powertrain components have also been briefly reviewed. For automotive applications, however, more sophisticated signal processing techniques may be needed to overcome the wide variations in operating conditions that result during driving. Thus, combining results from a number of different sensors, analysed using a number of different processing techniques, is expected to improve the scope and reliability of condition monitoring for electrical powertrain components, as well as enhancing the associated prognosis capabilities. Future work will therefore include selection of the most appropriate parameters for monitoring by the HEMIS PHMS and the development of suitable analysis algorithms for eventual implementation and demonstration in a prototype.


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    Title :

    Safety and failure analysis of electrical powertrain for fully electric vehicles and the development of a prognostic health monitoring system


    Contributors:
    Ruddle, A.R. (author) / Galarza, A. (author) / Sedano, B. (author) / Unanue, I. (author) / Ibarra, I. (author) / Low, L. (author)


    Publication date :

    2013


    Size :

    6 Seiten, Bilder, Tabellen, 26 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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