Blind spot detection system

Patent metadata

Field	Value
Publication number	US-10529238-B2
Application number	US-201715846709-A
Country	US
Kind code	B2
Filing date	Dec 19, 2017
Priority date	Dec 19, 2017
Publication date	Jan 7, 2020
Grant date	Jan 7, 2020

Abstract

A blind spot detection system for a primary vehicle. The system includes rear primary vehicle sensors configured to be mounted at a rear of the primary vehicle to detect a secondary vehicle present in a blind spot of the primary vehicle. Side view mirror primary vehicle sensors are configured to be mounted to side view mirrors of the primary vehicle to detect a secondary vehicle present in the blind spot of the primary vehicle. A control module is configured to: detect a trailer connected to the primary vehicle; activate the rear primary vehicle sensors and not activate the side view mirror primary vehicle sensors when the trailer is not connected to the primary vehicle; and not activate the rear primary vehicle sensors and activate the side view mirror primary vehicle sensors when the trailer is connected to the primary vehicle.

First claim

What is claimed is:

1. A blind spot detection system for a primary vehicle comprising:
rear primary vehicle sensors configured to be mounted at a rear of the primary vehicle to detect a secondary vehicle present in a blind spot of the primary vehicle;
side view mirror primary vehicle sensors configured to be mounted to side view mirrors of the primary vehicle to detect a secondary vehicle present in the blind spot of the primary vehicle; and
a control module configured to: detect a trailer connected to the primary vehicle; activate the rear primary vehicle sensors and not activate the side view mirror primary vehicle sensors when the trailer is not connected to the primary vehicle; and not activate the rear primary vehicle sensors and activate the side view mirror primary vehicle sensors when the trailer is connected to the primary vehicle.

2. The blind spot detection system of claim 1 , wherein each one of the rear primary vehicle sensors and the side view mirror primary vehicle sensors is one of a radar sensor, a LIDAR sensor, or a sonar sensor.

3. The blind spot detection system of claim 1 , wherein the control module is further configured to operate brakes of the primary vehicle and steer the primary vehicle to avoid contact with a secondary vehicle detected by the rear primary vehicle sensors or the side view mirror primary vehicle sensors.

4. The blind spot detection system of claim 1 , further comprising actuators that move the side view mirrors between inward positions and outward positions.

5. The blind spot detection system of claim 4 , wherein the control module is further configured to move the side view mirrors from the inward positions to the outward positions when the control module detects a trailer connected to the primary vehicle and detects blockage of the side view mirror primary vehicle sensors by the trailer.

6. The blind spot detection system of claim 1 , wherein the control module is configured to determine whether a trailer is connected to the primary vehicle based on inputs from the rear primary vehicle sensors.

7. The blind spot detection system of claim 1 , further comprising a trailer sensor configured to be mounted to the primary vehicle or a trailer hitch mounted to the primary vehicle to detect whether the trailer is connected to the primary vehicle.

8. The blind spot detection system of claim 1 , further comprising an alert module operable by the control module to alert a driver of the primary vehicle of the presence of the secondary vehicle in the blind sport of the primary vehicle.

9. A method for detecting presence of a secondary vehicle in a blind spot of a primary vehicle, the method comprising:
detecting whether a trailer is connected to the primary vehicle based on sensor data inputs to a control module of the primary vehicle;
when no trailer is detected as being connected to the primary vehicle, activating by the control module rear primary vehicle sensors mounted at a rear of the primary vehicle to detect whether the secondary vehicle is present in the blind spot of the primary vehicle, and the control module not activating side view mirror primary vehicle sensors mounted to side view mirrors of the primary vehicle; and
when the trailer is detected as connected to the primary vehicle, activating the side view mirror primary vehicle sensors by the control module to detect whether the secondary vehicle is present in the blind spot of the primary vehicle, and the control module not activating the rear primary vehicle sensors.

10. The method of claim 9 , wherein the sensor data inputs are from the rear primary vehicle sensors configured to detect whether a trailer is connected to the primary vehicle.

11. The method of claim 9 , wherein the sensor data inputs are from a trailer detection sensor at a trailer hitch of the primary vehicle, the trailer detection sensor is configured to detect whether a trailer is connected to the primary vehicle.

12. The method of claim 9 , wherein the control module inputs steering or braking commands to the primary vehicle to avoid the secondary vehicle when the secondary vehicle is detected in the blind spot of the primary vehicle.

13. The method of claim 9 , wherein the control module activates an alert module when the secondary vehicle is detected in the blind spot of the primary vehicle to alert the driver of the primary vehicle of the presence of the secondary vehicle.

14. The method of claim 9 , wherein the control module activates an actuator configured to extend the side view mirrors of the primary vehicle outward from inward positions to outward positions when data from the side view mirror primary vehicle sensors indicates that a field of view of the side view mirror primary vehicle sensors is blocked by the trailer when the side view mirror primary vehicle sensors are in the inward positions.

15. A blind spot detection system for a primary vehicle comprising:
side view mirror primary vehicle sensors configured to be mounted to side view mirrors of the primary vehicle to detect a secondary vehicle present in a blind spot of the primary vehicle;
actuators that move the side view mirrors between inward positions and outward positions; and
a control module configured to: activate the side view mirror primary vehicle sensors when the trailer is connected to the primary vehicle; and operate the actuators to move the side view mirrors from the inward positions to the outward positions when the control module detects blockage of the side view mirror primary vehicle sensors by the trailer.

16. The blind spot detection system of claim 15 , wherein the control module is further configured to operate brakes of the primary vehicle and steer the primary vehicle to avoid contact with the secondary vehicle detected by the side view mirror primary vehicle sensors.

17. The blind spot detection system of claim 15 , wherein the control module is configured to determine whether a trailer is connected to the primary vehicle based on inputs from rear primary vehicle sensors configured to be mounted at a rear end of the primary vehicle.

18. The blind spot detection system of claim 15 , further comprising a trailer sensor configured to be mounted to the primary vehicle, or a trailer hitch mounted to the primary vehicle, to detect whether the trailer is connected to the primary vehicle.

19. The blind spot detection system of claim 15 , further comprising an alert module operable by the control module to alert a driver of the primary vehicle of the presence of the secondary vehicle in the blind sport of the primary vehicle.

Assignees

• Denso Int America Inc

Inventors

• Gesch Matthew
• Sato Miki
• Kurumisawa Jin

Classifications

• B60R1/0612

  by electrically actuated means · CPC title

• B60W2554/00

  Input parameters relating to objects · CPC title

• B60Q9/008

  for anti-collision purposes · CPC title

• B60W30/09

  Taking automatic action to avoid collision, e.g. braking and steering · CPC title

• B60R1/06

  mounted on vehicle exterior {(B60R1/025, B60R1/08 take precedence)} · CPC title