In order to reduce brake squeal noise, it is important to identify operational deflection shape (ODS) of brake disc while squeal arises. However, in the conventional modal analysis and optical measurement, it is only able to identify limited ODS because of the technical limits. This paper details the test method to identify ODS in radial and tangential as well as axial direction of a brake disc in driving condition. Vibrational signal of a rotating disc was obtained by triaxial accelerometer installed to solid type discs/cooling fins of ventilated type discs, then ODS of disc were analyzed through digital signal processing.


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    Title :

    Test Method for Operational Deflection Shape Analysis of Squealing Brake Disc in Dynamic Condition


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2012 Brake Colloquium & Exhibition - 30th Annual ; 2012



    Publication date :

    2012-09-17




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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