Banked curve detection using vertical and lateral acceleration
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United States of America Patent
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Oct 27, 2015
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N/A
app pub date -
Sep 19, 2014
filing date -
Sep 19, 2014
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Abstract
A banked curve detection system determines the presence of a vehicle on a banked curve by sensing a vertical acceleration and a lateral acceleration of a vehicle. A banked curve is determined when the vertical acceleration and lateral acceleration are each greater than previously sensed vertical and lateral accelerations, the lateral acceleration is less than an expected reference lateral acceleration value, and the vertical acceleration is greater than gravity. The reference lateral acceleration value is based on yaw rate, steering angle, and wheel speed. When the acceleration conditions are met, the electronic stability control adjusts the parameters due to the vehicle being driven on a banked curve. Once the acceleration condition is no longer valid, the electronic stability control returns to normal operation.
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