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Method of calculating deflection of rotating tire, method of accumulating data of rotating tire, method of calculating contact length of rotating tire
Method of calculating deflection of rotating tire, method of accumulating data of rotating tire, method of calculating contact length of rotating tire
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机译:计算旋转轮胎的挠度的方法,累积旋转轮胎的数据的方法,计算旋转轮胎的接触长度的方法
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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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