Method and apparatus for estimating yaw rate in a wheeled vehicle and stability system

   
   

A method and apparatus for estimating vehicle yaw rate using a pair of single axis accelerometers that obviate the need for a gyroscope when used to provide a yaw rate estimate to a vehicle stability control system. The accelerometers are longitudinally aligned along an axis with one accelerometer in front of the vehicle center of gravity and one behind it. A method of estimating yaw rate uses a statistical estimating algorithm to process accelerometer inputs and a steer angle from a steer angle sensor on the vehicle.

 
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