Vehicle motion parameters are important indicators of detection distracted driving. However, vehicle motion parameters are rarely used by previous studies and attempts on detection distracted driving. In this study, the differences of vehicle motion parameters between distracted driving and normal driving are analyzed. In this study, we use the three-axis accelerometer and gyroscope of a device to record and analyze lateral acceleration of vehicle. On-road experiment was conducted to collect testing data. The results show that lateral acceleration change of the vehicle motion parameters have differences pattern between distracted driving and normal driving.It is found that vehicle motion parameters of distracted driving does not obey normal distribution. Suddenly maneuvers of lateral acceleration change under distracted driving respectively reach more than 0.25G (approximately 2.5m/s~2). This found lays the foundations of detection distracted driving.
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