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DEFLECTION CALCULATING METHOD AT TIRE WHEELING TIME, DATA STORING METHOD AT TIRE WHEELING TIME, AND GROUNDING LENGTH CALCULATING METHOD AT TIRE WHEELING TIME
DEFLECTION CALCULATING METHOD AT TIRE WHEELING TIME, DATA STORING METHOD AT TIRE WHEELING TIME, AND GROUNDING LENGTH CALCULATING METHOD AT TIRE WHEELING TIME
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机译:轮胎旋风时的挠度计算方法,轮胎旋风时的数据存储方法以及轮胎旋风时的接地长度计算方法
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摘要
A method of calculating deflection of a rotating tire, through high speed data processing, based on measurement time series data of acceleration on a tire tread portion has the following steps. A step of acquiring measurement time series data of acceleration on a tire circumference in a radial direction of a rotating tire; a step of extracting acceleration data in a vicinity of a contact region from the acquired measurement data and subjecting the extracted acceleration data to least-square regression using a second-order differential function expression of a deflection function expression that represents a peak shape having a peak value and a curve gradually approaching to zero on both sides thereof, whereby a deflection function parameter values are determined; and a step of calculating a contact deflection from the deflection function expression determined by the deflection function parameter values.
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