Currently the world’s transportation sector is experiencing a paradigm shift towards electric mobility where electric and electronic components form an integral part of the vehicle. The heavy usage of electronic systems needs large size printed circuit (PCB) boards with multiple subcomponents connected to it. Such a complex electronic system when excited by dynamic loads, would lead to generation of uncomfortable transient rattle events between the parts. As a result, there is an increasing requirement to analyze these subsystems to eliminate any unpleasant noise generation mechanisms. In this study, a PCB has been considered for such an analysis. A linear transient analysis was carried out for a sine-sweep excitation. Risk and root cause analysis was performed, and critical locations were identified. Variation in parameters like material properties, connection stiffness, were considered and analyzed for the same. Finally, design modification iterations were performed in which the system behavior improved substantially. This study would provide a means to quantify the rattle events occurring due to the operating conditions and provide an insight about the performance of the component in the real-world operating conditions.


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    Title :

    Identification of BSR Issues in Electronic Boards


    Additional title:

    Sae Technical Papers


    Contributors:
    Ravi, Chandan (author) / Reddy, Hari (author) / Rao, Sohan (author)

    Conference:

    Noise and Vibration Conference & Exhibition ; 2023



    Publication date :

    2023-05-08




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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