Provided is a driving assistance device (1) including: a traffic light recognition device configured to recognize a lighting mode of a traffic light existing in front of an own vehicle; and a control device configured to determine a predetermined position in a periphery of the traffic light as a target position, execute deceleration control of decelerating the own vehicle until the own vehicle reaches the target position, calculate a predicted speed being a speed of the own vehicle at a time point at which the own vehicle reaches the target position in a case in which the own vehicle is decelerated from a current time point in a predetermined deceleration mode, execute the deceleration control in a first situation in which the predicted speed is equal to or lower than a threshold value determined based on the lighting mode of the traffic light, and to avoid executing the deceleration control in a second situation in which the predicted speed is higher than the threshold value. The threshold value at a time when a light color of the traffic light is yellow is smaller than the threshold value at a time when the light color of the traffic light is red.
DRIVING ASSISTANCE DEVICE, DRIVING ASSISTANCE METHOD, AND DRIVING ASSISTANCE PROGRAM
2023-10-05
Patent
Electronic Resource
English
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