In this paper, an acceleration method based on load-equivalent correlation of body-in-white endurance test is proposed. Taking the BIW durable load target decomposition as the research object, the damage quantity and weight value under various characteristic road conditions are calculated by using the pseudo-damage equivalence theory method. Combined with frequency domain power spectrum density (PSD) analysis, the key characteristic conditions were identified, and an acceleration scheme for BIW endurance test was proposed. Through simulation calculation and road test, the effective correlation of durability failure under this scheme is obtained, and the simulation and test cycles are shortened 6 times and 13.8 times respectively, greatly reducing the development cycle of BIW. This method provides an important engineering reference for the development of durability performance of vehicle and parts.


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    Title :

    Research on Equivalent Acceleration Method of Body-in-White Endurance Test


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Hou, Xianxiao (author) / Wang, Xicheng (author) / Ji, Xiuye (author)

    Conference:

    Society of Automotive Engineers (SAE)-China Congress ; 2022 ; Shanghai, China November 22, 2022 - November 24, 2022



    Publication date :

    2023-04-29


    Size :

    16 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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