| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a driving psychological change estimation device, a driving psychological change estimation method and an information providing system for surely extracting the generation of any disturbance in operation control supposed to be performed by a driver, and for estimating the psychological change of the driver, and for estimating the psychological change of the driver even on a road where the driver or a vehicle passes for the first time. <P>SOLUTION: A steering angle is acquired by a steering angle sensor 101, and the smoothness of an operation by a driver is calculated based on steering jerk as the second-order differentiated value of the steering angle time-sequentially acquired by a steering smoothness calculation part 111, and the psychological change of a driver is estimated according to the transition of the smoothness of steering by a psychological change estimation part 115, and when the smoothness of steering exceeds a preliminarily set threshold, it is estimated that the psychological change of the driver has occurred. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
