Fixture fault diagnosis is a critical component of currently evolving techniques aimed at manufacturing variation reduction. The impact of sensor location on the effectiveness of fault-type discrimination in such diagnostic procedures is significant. This paper proposes a methodology for achieving optimal fault-type discrimination through an optimized configuration of defined 'sensor locales'. The optimization is presented in the context of autobody fixturing - a predominant cause of process variability in automobile assembly. The evaluation criteria is the ability to provide a consistency of best match, in a pattern recognition sense, of any existing fixture error to a classified, anticipated error set. The proposed analytical methodology is novel in addressing the design issue at both the fixture design and the sensor location planning levels - constituting a design for fault detectability. Examples of the locale planning and an application to an industrial fixture configuration are presented to illustrate the proposed methodology.


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    Titel :

    An optimal sensor location methodology for fixture fault diagnosis


    Weitere Titelangaben:

    Methodologie zur optimalen Sensorpositionierung für die Vorrichtungsfehlerdiagnose


    Beteiligte:
    Khan, A. (Autor:in) / Ceglarek, D. (Autor:in) / Shi, J. (Autor:in) / Ni, J. (Autor:in)


    Erscheinungsdatum :

    1995


    Format / Umfang :

    12 Seiten, 10 Bilder, 3 Tabellen, 17 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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