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SYSTEM AND METHOD FOR PERFORMING AUTO-LOCATION OF A TIRE PRESSURE MONITORING SENSOR ARRANGED WITH A VEHICLE WHEEL USING CONFIDENCE INTERVAL ANALYSIS AND CHANGE OF WHEEL DIRECTION
SYSTEM AND METHOD FOR PERFORMING AUTO-LOCATION OF A TIRE PRESSURE MONITORING SENSOR ARRANGED WITH A VEHICLE WHEEL USING CONFIDENCE INTERVAL ANALYSIS AND CHANGE OF WHEEL DIRECTION
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机译:利用置信区间分析和方向变化来进行车辆车轮轮胎压力监测传感器自动定位的系统和方法
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摘要
A method for determining change of direction of a vehicle includes steps of maintaining a rolling window of ABS data indicative of ABS tooth count and capturing a relevant rolling window of ABS data at the predetermined one-measurement point; storing the rolling window of the ABS data indicative of ABS tooth in a buffer; monitoring the ABS data and detecting a valid stop event which causes the rate of change of ABS tooth count to substantially decrement to zero; and monitoring the ABS data and detecting a valid move event which causes the rate of change of ABS tooth count to substantially increment from zero. The method also includes steps of determining a presto phase relationship between at least two wheels based on the ABS tooth count stored in the buffer immediately prior to the valid stop event; determining a post-start phase relationship between at least two wheels based on the ABS tooth count stored in the buffer immediately subsequent to the valid move event; and correlating the pre-stop phase relationship and the post-start phase relationship to determine change of direction and confidence level.
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