Recently, major car maker is specified squeak and rattle test method for subsystems or components by objective method. Generally these test method is focused on vibration environmental conditions. Especially, door trim which is located close to occupant is required additional test for squeak and rattle which is produced by occupant's interaction with door trim. To evaluate this condition, generally it can be tested by subjective method such as striking or pushing and twisting several positions of door trim. Dosing so is very time consuming and including variation results as different decisions.So, this paper suggest a new approach for evaluating squeak and rattle which is relating occupant contacting conditions to interior part, especially interior door trim. Multi-axis robot arm is examined to push automatically several points of door trim. Subjective response index for noise is checked at each point and compared with objective values which are evaluated by acceleration level of vibration. Results on subjective and objective method show that they have similar trend at each test point and is thus to adapt to new test method.


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    Title :

    Simple Test Method for Squeak & Rattle Evaluation of Door Trim by Using Statically Repeated Loading Robot Arm


    Additional title:

    Sae Technical Papers


    Contributors:
    Lee, Hyunchul (author) / Na, Hyunghyun (author) / Park, Hyunmin (author) / Jang, Ikkeun (author) / Kim, Jongsoo (author) / Jeon, Ohhwan (author)

    Conference:

    SAE 2009 Noise and Vibration Conference and Exhibition ; 2009



    Publication date :

    2009-05-19




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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