A driving assistance device that performs a notification process for notifying a driver of a risk of a collision with a preceding vehicle in cooperation with a notification device includes: an inter-vehicular distance acquisition section that successively acquires an inter-vehicular distance; a first index calculator that calculates a first risk index indicating a degree of the risk of the collision based on a traveling speed and the inter-vehicular distance; a second index calculator that successively calculates a second risk index based on a relative speed between the own vehicle and the preceding vehicle; a notification level determination section that successively determines a notification level indicating a strength of notification for notifying the risk of the collision, based on the first risk index and the second risk index; and a notification processor that performs the notification process in a notification mode corresponding to the notification level.
DRIVING ASSISTANCE DEVICE
2019-11-07
Patent
Electronic Resource
English
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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