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Acceleration/deceleration induced real-time identification of maximum tire-road friction coefficient
Acceleration/deceleration induced real-time identification of maximum tire-road friction coefficient
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机译:加减速引起的最大轮胎-道路摩擦系数实时识别
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摘要
A method for classifying a road surface condition by estimating the maximum tire/road surface coefficient of friction and actively inducing acceleration or deceleration. In one embodiment, the induced acceleration/deceleration is provided by applying torque to the driven wheels of the vehicle. The speeds of the driven and non-driven wheels are measured. The tire/road surface coefficient of friction and the driven wheel slip ratio are calculated from the wheel speeds. The tire/road surface coefficient of friction and the wheel slip ratio are used to determine the slope of the wheel slip/coefficient of friction curve, which is used to classify the road surface condition.
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