Brake grinding noise is caused by the friction of the disc and pads. The friction generates vibration and it transmits to the body via the chassis system. We called it structure-borne noise.To improve the noise in the vehicle development, the aspects of chassis or body's countermeasure occurs many problems, cost and time. In this reason many brake companies try to make solution with brake system, like brake pad materials or disc surface condition. However the countermeasures of excitation systems also have a lot of risk. It could be occurred side-effects of braking performance, and need to re-verify brake noise like Creep-groan, Groan, Squeal, Judder and so on. For this reason, it is essential to make a robust chassis system in the initial development stage of the vehicle for the most desirable grinding noise-resistant vehicle.This paper is about rear brake grind noise path analysis and countermeasure of chassis system. There are two steps to analysis. First step is impact hammer test like FRF, MODAL test. Second step is noise data acquisition on real vehicle test and use analysis tools ODS, TPA. This paper has analysis about two suspension types, CTBA and Multi-Link.


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    Titel :

    Analysis of Rear Brake Grinding Noise by Rear Suspension Types


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ko, Daekyung (Autor:in) / Kim, Dong Won (Autor:in) / Lee, Kyung Jae (Autor:in)

    Kongress:

    Brake Colloquium & Exhibition - 35th Annual ; 2017



    Erscheinungsdatum :

    2017-09-17




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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