Increasing requirements for comfort and lightweight design lead to higher acoustic target values for passenger car components, especially for automatic transmissions.The required increase of the acoustic tooth-mesh quality reduces the masking of tonal noises that are often the failure cause at the EOL test bench.Based on the mathematic transmission model that includes all orders and moments that are acoustically relevant, a database-based dynamic website supports the engineer with the localization of disturbing noises. After that, irregularities are extracted from the order spectra and are provided for the evaluation tool. A special search algorithm depicts all possible failure causes. On the one hand, refined entries allow the limitation of the solution sets; on the other hand, experience help to limit the solutions to acoustically relevant disturbance mechanisms.


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    Titel :

    Root Cause Analysis of Acoustically Suspicious Transmissions During EOL Testing


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    7th International Styrian Noise, Vibration & Harshness Congress: The European Automotive Noise Conference ; 2012



    Erscheinungsdatum :

    13.06.2012




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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