Vehicle information processing device

摘要

An object of the present invention is to provide a vehicle information processing device which is able to specify a traveling road of a host vehicle with high reliability without including detailed map data in an in-vehicle storage unit. A driving support device according to the present invention is a vehicle information processing device which specifies a traveling road of a host vehicle, and includes means for obtaining host vehicle information including current position information of the host vehicle using a GPS; means for obtaining road information from an information transmission device which is installed in a road; means for temporarily selecting a traveling road of the host vehicle using the host vehicle information, and the road information on the surrounding roads; and means for specifying a traveling road of the host vehicle using a reliability of a temporary selection result of the means for temporarily selecting traveling road.

主权项

1. A vehicle information processing device which specifies a traveling road of a host vehicle, comprising:
a GPS receiver configured to obtain host vehicle information including current position information of the host vehicle using a GPS; a radiowave media receiver configured to obtain road information from an information transmission device which is installed in a road; an electronic control unit which is connected to the GPS receiver and the radiowave media receiver the electronic control unit further comprising:
a surrounding roads extracting unit configured to extract surrounding roads on which the host vehicle may be traveling using the host vehicle information and the road information;a traveling road selecting unit configured to temporarily select a traveling road of the host vehicle using the host vehicle information, and the road information on the surrounding roads;a reliability determining unit configured to determine reliability of a temporary selection result of the traveling road selecting unit using a plurality of pieces of reference information including a GPS precision, the number of surrounding roads, and a relationship between the host vehicle information and the road information of the surrounding roads; anda traveling road specifying unit configured to specify a traveling road of the host vehicle using the reliability, and the temporary selection result of the traveling road selecting unit.