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ANALYSIS OF A CAR BURST SHAKING WHILE THE CAR ENGINE IS RUNNING AT IDLE

The paper deals with the problem of car random burst shaking while its engine is running at idle. The disturbing vibration is excited by non-uniform engine rotational frequency that is transferred to the car body vibration and finally to passengers. Having in mind that the car structure is linear, it is possible to estimate the regression linear model for transferring vibration at individual frequencies. The paper presents how to use newly developed measurement methods and data processing tools.