An update on the nature of shock and vibration in truck transport was obtained by measuring and analysing the shock and vibration levels separately that occur during truck transportation in Japan. The effect of truck speed on the shock and vibration levels was mainly analysed. A significant difference was observed between the acceleration of vibration, and the acceleration including shock and vibration as a result of truck speed. The results indicated that the effect of truck speed on Grms (root mean square acceleration), including shock and vibration, was strong at a lower speed, but slight at a higher speed. The highest Grms, including shock and vibration, was found at 45 km/h - 59.9 km/h on local roads, which was higher than that during highway driving. When the speed was below 45 km/h, the peak PSD (power spectral density) of acceleration including shock and vibration increased as truck speed increased; when the speed was above 45 km/h, no significant changes in peak PSD were found because of truck speed. At the same time, the effect of vehicle speed on the vibration acceleration was also studied. It was found that the higher the vehicle speed, the higher the Grms and peak PSD value of vibration in both the vertical and lateral directions.


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    Title :

    Effect of vehicle speed on shock and vibration levels in truck transport


    Contributors:

    Published in:

    Publication date :

    2010


    Size :

    9 Seiten, 7 Bilder, 29 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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