Driving assistance device

Patent metadata

Field	Value
Publication number	US-10909848-B2
Application number	US-201616060998-A
Country	US
Kind code	B2
Filing date	Sep 26, 2016
Priority date	Dec 14, 2015
Publication date	Feb 2, 2021
Grant date	Feb 2, 2021

Abstract

A driving assistance device for a vehicle includes: an assistance processing portion that executes a notification of a possibility of a host vehicle intersecting with an other vehicle based on host vehicle information including information that provides an estimation of a travelling course of the host vehicle and an other vehicle information including information that provides an estimation of a travelling course of the other vehicle and acquired by wireless communication; and a map acquisition portion that acquires map data including data that specifies a circular intersection. The host vehicle information includes a position of the host vehicle. The assistance processing portion prevents the notification based on the circular intersection, which is disposed in front of the host vehicle in the travelling course of the host vehicle, according to at least the host vehicle information and the map data acquired by the map acquisition portion.

First claim

The invention claimed is:

1. A driving assistance device for a vehicle, the device driving assistance comprising:
a computer having a processor and configured to
execute a notification of a possibility of a host vehicle intersecting with an other vehicle based on host vehicle information and an other vehicle information, the host vehicle information being vehicle information including information that provides an estimation of a travelling course of the host vehicle and a position of the host vehicle, and the other vehicle information being vehicle information including information that provides an estimation of a travelling course of the other vehicle and being acquired by wireless communication;
acquire map data including data that specifies a circular intersection; and
estimate an intersecting position at which the host vehicle intersects with the other vehicle, estimation of the intersection position based on the host vehicle information and the other vehicle information, wherein
the computer is further configured to prevent the notification from being output in response to a determination that (i) the circular intersection is disposed in front of the host vehicle and in the course of travel of the host vehicle, and (ii) a distance between the circular intersection and the intersecting position is less than a threshold value, the determination based on the intersecting position and the map data.

2. The driving assistance device according to claim 1 , wherein:
the other vehicle information includes a position of the other vehicle; and
the determination further includes (iii) that the circular intersection is between the host vehicle and the other vehicle, the determination further based on the host vehicle information and the other vehicle information.

3. The driving assistance device according to claim 1 , wherein
the computer is further configured to acquire the map data from a map database provided in the host vehicle.

4. The driving assistance device according to claim 1 , wherein
the computer is further configured to acquire the map data that is distributed from a map database provided in an information center outside the host vehicle.

5. The driving assistance device according to claim 1 , wherein
the computer is further configured to execute the notification in response to the host vehicle turning and crossing an opposite traffic lane.

6. The driving assistance device according to claim 1 , wherein
the computer is further configured to execute the notification in response to the host vehicle traveling straight.

7. A driving assistance device for a vehicle, the driving assistance device comprising:
a computer having a processor and configured to
execute a notification of a possibility of a host vehicle intersecting with an other vehicle based on host vehicle information and an other vehicle information, the host vehicle information being vehicle information including information that provides an estimation of a travelling course of the host vehicle and a position of the host vehicle, and the other vehicle information being vehicle information including information that provides an estimation of a travelling course of the other vehicle and being acquired by wireless communication;
acquire a recognition result performed by a recognition device, the recognition device configured to recognize a traffic sign indicating that a circular intersection is disposed in front of the host vehicle and in the travelling course of the host vehicle and to output the recognition result, acquisition of the recognition result based on a sensing result performed by a perimeter monitoring sensor that monitors a predetermined range in front of the host vehicle; and
estimate an intersecting position at which the host vehicle intersects with the other vehicle, estimation of the intersection position based on the host vehicle information and the other vehicle information, wherein

the computer is further configured to prevent the notification from being output in response to acquiring the recognition result and a determination that a distance between the circular intersection and the intersecting position is less than a threshold value, the determination based on the intersecting position.

8. The driving assistance device according to claim 7 , wherein
the computer is further configured to execute the notification in response to the host vehicle turning and crossing an opposite traffic lane.

9. The driving assistance device according to claim 7 , wherein
the computer is further configured to execute the notification in response to the host vehicle traveling straight.

Assignees

• Denso Corp

Inventors

• Suzuki Tadao
• Funabashi Junichiro
• Ando Motonori

Classifications

• G01C21/3697 Primary

  Output of additional, non-guidance related information, e.g. low fuel level (G01C21/3679 takes precedence) · CPC title

• B60W30/0956

  the prediction being responsive to traffic or environmental parameters · CPC title

• G08G1/096775

  where the origin of the information is a central station · CPC title

• G08G1/163

  involving continuous checking · CPC title

• G08G1/096716

  where the received information does not generate an automatic action on the vehicle control · CPC title