The invention provides an attention reminding system and an attention reminding method. The magnitude of the risk of collision between a vehicle and a preceding vehicle, which changes over time, is transmitted to a driver of the vehicle in a manner of being highly matched with the subjectivity of the driver. An attention reminding system is provided with: a THW acquisition unit that repeatedly acquires, at predetermined time intervals, an inter-vehicle time, which is a value obtained by dividing the inter-vehicle distance between a host vehicle and a preceding vehicle by the vehicle speed of the host vehicle; a TTC acquisition unit that repeatedly acquires a collision surplus time, which is a value obtained by dividing the inter-vehicle distance by the relative speed between the host vehicle and the preceding vehicle, at predetermined time intervals; and a notification unit that, on the basis of the inter-vehicle time and the collision surplus time, outputs an approach alarm that notifies an occupant of the host vehicle that the forward traveling vehicle approaches, determines a significance level, which is the degree of significance of the approach alarm, on the basis of the inter-vehicle time and the collision surplus time, and outputs the approach alarm of the determined significance level.
本发明提供注意提醒系统以及注意提醒方法,将随时间变化的本车辆与前行车的碰撞风险的大小以与驾驶员的主观的匹配性高的方式传达给本车辆的驾驶员。注意提醒系统具备:THW取得部,其以规定的时间间隔反复取得本车辆与前行车之间的车间距离除以本车辆的车速而得到的值即车间时间;TTC取得部,其以规定的时间间隔反复取得车间距离除以本车辆与前行车之间的相对速度而得到的值即碰撞富余时间;以及报知部,其基于车间时间和碰撞富余时间,对本车辆的乘员输出报知向前行车接近的接近警报,报知部根据车间时间以及碰撞富余时间决定接近警报的显著性的程度即显著性等级,并输出所决定的显著性等级的接近警报。
Attention reminding system and attention reminding method
注意提醒系统以及注意提醒方法
2024-03-22
Patent
Elektronische Ressource
Chinesisch
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