Patent ID: 9733092
Date: 2017-08-15
CPC Classifications: G01C

Claim:
1. A vehicle position detection device, comprising: a central processing unit; and a memory coupled to the central processing unit; wherein the central processing unit is programmed to: generate a virtual link that connects a turning start point on a pre-turning link and a turning end point on a post-turning link, by using a turning start distance calculated based on a link width of the pre-turning link and a link width of the post-turning link; calculate a virtual link direction that is a direction at a predetermined position on the virtual link; calculate a direction error of a vehicle direction based on the virtual link direction; identify a matching subject link based on the direction error; use the turning start distance to generate the virtual link; wherein the virtual link is generated based on the link width of the pre-turning link, the link width of the post-turning link, and a direction difference angle between the pre-turning link and the post-turning link; and align a car mark, representing a current vehicle position of a vehicle, to the matching subject link on a map, and move the car mark along the matching subject link during a turning movement of the vehicle.