Driving assistance device

摘要

Provided is a driving assistance device that includes traveling route information acquiring means for acquiring a plurality of traveling route information items about different recognition ranges and course generating means for generating a course of a host vehicle using the plurality of traveling route information items according to a traveling environment. According to the invention, for example, a plurality of traveling route information items with different recognition ranges, such as a wide-area map 1, a middle-area map 2, and a local map 3, are used according to a traveling environment to generate a course. In this way, the host vehicle can travel safely.

主权项

1. A driving assistance device comprising:
an electronic control unit which is configured to: acquire a plurality of traveling route information items with different scales; generate a course of a host vehicle using the plurality of traveling route information items according to a traveling environment, wherein the electronic control unit is configured to increase the frequency of update of the traveling route information as the scale of the plurality of traveling route information items is reduced; acquire scheduled traveling route information from the traveling route information with a specific scale among the plurality of traveling route information items; detect a travelable region in a traveling route, wherein the shape of a scheduled traveling route is estimated on the basis of the scheduled traveling route information and the travelable region; and output driving assistance execution instructions or the generated course to execute driving assistance.