Browse Publications Technical Papers 2007-01-2254
2007-05-15

Dynamic Analysis of Rolling Tire Using Force Sensor and Transfer Path Identification 2007-01-2254

The demand for quieter vehicle interiors increases year after year. The dynamic force transmission of rolling tires from the road surface to the spindles is a critical factor in vehicle interior noise. We investigated the dynamic force transmission of a rolling tire as it relates to reducing vehicle interior noise. A test with a tire rolling over a cleat was conducted in order to measure the road forces and the spindle forces. The transfer function of the rolling tire was identified from the experimental results by applying multi dimensional spectral analysis.
In addition, Computer Aided Engineering (CAE) technology has advanced recently. This enables prediction of spindle forces early in the design stage. One of the most important issues in predicting spindle forces accurately is to clarify the distribution of road forces. This paper also describes the distribution of the dynamic road forces of the rolling tire. The dynamic road forces were directly measured using triaxial force sensors, and the distribution of the road forces at the contact patch was described.

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