Collision avoidance system

• US 7,245,231 B2
• Filed: 01/13/2005
• Issued: 07/17/2007
• Est. Priority Date: 05/18/2004
• Status: Active Grant

• Current Assignee: GM Global Technology Operations LLC (General Motors Company)
• Original Assignee: GM Global Technology Operations Incorporated (General Motors Company)
• Inventors: Kiefer, Raymond J., Grimm, Donald K., Sadekar, Varsha, Litkouhi, Bakhtiar Brian
• Primary Examiner(s): Lee; Benjamin C.
• Assistant Examiner(s): Mehmood; Jennifer
• Application Number:
  US11/035,416
• Publication Number:
  US 20050258977A1
• Time in Patent Office: 915 Days
• Field of Search: 340/903, 340/932.2, 340/465, 340/667, 340/7.6, 340/407.1, 340435-462, 700300-302, 297/217.3, 297/463.2, 116/35.R, 116/36, 116/205, 701/1
• US Class Current: 340/903
• CPC Class Codes: G08G 1/16 Anti-collision systems road vehicle drive control systems for predicting or avoiding probable or impending collision otherwise than by control of a particular sub-unit B60W30/08
• CPC Class Codes: G08G 1/167 Driving aids for lane monitoring, lane changing, e.g. blind spot detection
• CPC Class Codes: G08G 1/168 Driving aids for parking, e.g. acoustic or visual feedback on parking space

Abstract

A method of collision avoidance. The method includes receiving a signal indicative of a potential collision of a vehicle. The method also includes generating a haptic collision alert in response to the signal.

Claims

1. A method of collision avoidance comprising:

receiving a signal indicative of a potential collision of a vehicle in a given directional location; and

generating a haptic collision alert corresponding to the given directional location in response to the signal, wherein the haptic collision alert includes vibrating a seat pan of a vehicle driver seat in the vehicle and the haptic collision alert indicates the urgency of the potential collision by varying both a rate of vibration and an intensity of vibration;

wherein the seat pan is partitioned into a three by three matrix having a front row positioned near the front of the driver seat, a rear row positioned near the rear of the driver seat and a mid row positioned between the front row and the rear row, each row having a left matrix location positioned near the left side of the driver seat, a right matrix location positioned near the right side of the driver seat and a center matrix location positioned between the left matrix location and the right matrix location; and

the location of the vibration in the seat pan includes one or more of the matrix locations;

whereby a vehicle driver receives an indication of the possible collision direction by the location of the vibration in the seat pan.

2. The method of claim 1 wherein the signal is responsive to one or more collision avoidance systems each monitoring a directional location around the vehicle.

3. The method of claim 2 wherein the haptic collision alert indicates one or more of the directional locations monitored by the collision avoidance systems.

4. The method of claim 2 wherein the collision avoidance systems include one or more of a forward collision warning system, a lane departure warning system, a forward park assist system and a rear park assist system.

5. The method of claim 2 wherein the collision avoidance systems include one or more of a forward collision warning system, a lane departure warning system, a forward park assist system, a rear park assist system, a backing warning system, a lane change alert system, and a blind spot system.

6. The method of claim 1 wherein the signal is responsive to two or more collision avoidance systems, and the collision avoidance systems monitor two or more directional locations around the vehicle.

7. The method of claim 1 wherein:

the possible collision direction of straight ahead of the vehicle is indicated when the vibration is located in both the right and left matrix locations of the front row;

the possible collision direction of forward right side of the vehicle is indicated when the vibration is located in the right matrix location of the front row;

the possible collision direction of forward left side of the vehicle is indicated when the vibration is located in the left matrix location of the front row;

the possible collision direction of left side of the vehicle is indicated when the vibration is located in the left matrix location of the mid row;

the possible collision direction of right side of the vehicle is indicated when the vibration is located in the right matrix location of the mid row;

the possible collision direction of straight behind the vehicle is indicated when the vibration is located in the center matrix location of the rear row;

the possible collision direction of rear left side of the vehicle is indicated when the vibration is located in the left matrix location of the rear row; and

the possible collision direction of rear right side of the vehicle is indicated when the vibration is located in the right matrix location of the rear row.

8. The method of claim 1 wherein:

the possible collision direction of straight ahead of the vehicle is indicated when the vibration is located in;

the right and left matrix locations of the front row;

the right, center, and left matrix locations of the front row;

or

the center matrix location of the front row;

the possible collision direction of forward left side, left side or rear left side of the vehicle is indicated when the vibration is located in one or more of the left matrix location of the front row, the left matrix location of the mid row and the left matrix location of the rear row;

the possible collision direction of forward right side, right side or rear right side of the vehicle is indicated when the vibration is located in one or more of the right matrix location of the front row, the right matrix location of the mid row and the right matrix location of the rear row; and

the possible collision direction of straight behind the vehicle is indicated when the vibration is located in;

the right and left matrix locations of the rear row;

the right, center, and left matrix locations of the rear row;

or

the center matrix location of the rear row.

9. The method of claim 1 wherein:

the possible collision direction of straight ahead of the vehicle is indicated when the vibration is located in both the right and left matrix locations of the front row;

the possible collision direction of forward right side, right side or rear right side of the vehicle is indicated when the vibration is located in one or more of the right matrix location of the mid row and the right matrix location of the rear row;

the possible collision direction of forward left side, left side or rear left side of the vehicle is indicated when the vibration is located in one or more of the left matrix location of the mid row and the left matrix location of the rear row; and

the possible collision direction of straight behind the vehicle is indicated when the vibration is located in;

one or more of the left matrix location of the mid row and the left matrix location of the rear row; and

one or more of the right matrix location of the mid row and the right matrix location of the rear row.

10. The method of claim 1 wherein:

the possible collision direction of straight ahead of the vehicle or straight behind the vehicle is indicated when the vibration is located in one or more of;

the right and left matrix locations of the front row;

the right and left matrix locations of the mid row; and

the right and left matrix locations of the rear row;

the possible collision direction of forward right side, right side or rear right side of the vehicle is indicated when the vibration is located in one or more of the right matrix location of the front row, the right matrix location of the mid row and the right matrix location of the rear row; and

the possible collision direction of forward left side, left side or rear left side of the vehicle is indicated when the vibration is located in one or more of the left matrix location of the front row, the left matrix location of the mid row and the left matrix location of the rear row.

11. A system of collision avoidance comprising:

a controller in communication with one or more haptic warning systems, wherein the haptic warning systems are located on a vehicle and the controller includes instructions to implement a method including;

receiving a signal indicative of a potential collision of a vehicle in a given directional location; and

generating a haptic collision alert corresponding to the given directional location in response to the signal, wherein the haptic collision alert includes vibrating a seat pan of a vehicle driver seat in the vehicle and the haptic collision alert indicates the urgency of the potential collision by varying one or more of a rate and an intensity of the vibration;

wherein the seat pan is partitioned into a three by three matrix having a front row positioned near the front of the driver seat, a rear row positioned near the rear of the driver seat and a mid row positioned between the front row and the rear row, each row having a left matrix location positioned near the left side of the driver seat, a right matrix location positioned near the right side of the driver seat and a center matrix location positioned between the left matrix location and the right matrix location; and

the location of the vibration in the seat pan includes one or more of the matrix locations;

whereby a vehicle driver receives an indication of the possible collision direction by the location of the vibration in the seat pan.

12. The system of claim 11 wherein the signal is responsive to one or more collision avoidance systems each monitoring a directional location around the vehicle.

13. The system of claim 12 wherein the collision avoidance systems include one or more of a forward collision warning system, a lane departure warning system, a forward park assist system and a rear park assist system.

14. The system of claim 12 wherein the collision avoidance systems include one or more of a forward collision warning system, a lane departure warning system, a forward park assist system, a rear park assist system, a backing warning system, a lane change alert system, and a blind spot system.

15. The system of claim 11 wherein the signal is responsive to two or more collision avoidance systems, and the collision avoidance systems monitor two or more directional locations around the vehicle.

16. A storage medium encoded with machine readable computer program code for collision avoidance, the storage medium including instructions for causing a computer to implement a method comprising:

receiving a signal indicative of a potential collision of a vehicle in a given directional location; and

generating a haptic collision alert corresponding to the given directional location in response to the signal, wherein the haptic collision alert includes vibrating a seat pan of a vehicle driver seat in the vehicle and the haptic collision alert indicates the urgency of the potential collision by varying one or more of a rate of vibration and an intensity of vibration;

wherein the seat pan is partitioned into a three by three matrix having a front row positioned near the front of the driver seat, a rear row positioned near the rear of the driver seat and a mid row positioned between the front row and the rear row, each row having a left matrix location positioned near the left side of the driver seat, a right matrix location positioned near the right side of the driver seat and a center matrix location positioned between the left matrix location and the right matrix location; and

the location of the vibration in the seat pan includes one or more of the matrix locations;

whereby a vehicle driver receives an indication of the possible collision direction by the location of the vibration in the seat pan.

17. A method of collision avoidance comprising:

receiving a signal indicative of a potential collision of a vehicle in a given directional location; and

generating a haptic collision alert corresponding to the given directional location in response to the signal, wherein the haptic collision alert includes vibrating a seat pan of a vehicle driver seat in the vehicle and the haptic collision alert indicates the urgency of the potential collision by varying one or more of a rate of vibration and an intensity of vibration;

wherein the seat pan is partitioned into a three by three matrix having a front row positioned near the front of the driver seat, a rear row positioned near the rear of the driver seat and a mid row positioned between the front row and the rear row, each row having a left matrix location positioned near the left side of the driver seat, a right matrix location positioned near the right side of the driver seat and a center matrix location positioned between the left matrix location and the right matrix location; and

the location of the vibration in the seat pan includes one or more of the matrix locations;

whereby a vehicle driver receives an indication of the possible collision direction by the location of the vibration in the seat pan.

18. The method of claim 17 wherein:

the possible collision direction of straight ahead of the vehicle is indicated when the vibration is located in both the right and left matrix locations of the front row;

the possible collision direction of forward right side of the vehicle is indicated when the vibration is located in the right matrix location of the front row;

the possible collision direction of forward left side of the vehicle is indicated when the vibration is located in the left matrix location of the front row;

the possible collision direction of left side of the vehicle is indicated when the vibration is located in the left matrix location of the mid row;

the possible collision direction of right side of the vehicle is indicated when the vibration is located in the right matrix location of the mid row;

the possible collision direction of straight behind the vehicle is indicated when the vibration is located in the center matrix location of the rear row;

the possible collision direction of rear left side of the vehicle is indicated when the vibration is located in the left matrix location of the rear row; and

the possible collision direction of rear right side of the vehicle is indicated when the vibration is located in the right matrix location of the rear row.

19. The method of claim 17 wherein:

the possible collision direction of straight ahead of the vehicle is indicated when the vibration is located in;

the right and left matrix locations of the front row;

the right, center, and left matrix locations of the front row;

or

the center matrix location of the front row;

the possible collision direction of forward left side, left side or rear left side of the vehicle is indicated when the vibration is located in one or more of the left matrix location of the front row, the left matrix location of the mid row and the left matrix location of the rear row;

the possible collision direction of forward right side, right side or rear right side of the vehicle is indicated when the vibration is located in one or more of the right matrix location of the front row, the right matrix location of the mid row and the right matrix location of the rear row; and

the possible collision direction of straight behind the vehicle is indicated when the vibration is located in;

the right and left matrix locations of the rear row;

the right, center, and left matrix locations of the rear row;

or

the center matrix location of the rear row.

20. The method of claim 17 wherein:

the possible collision direction of straight ahead of the vehicle is indicated when the vibration is located in both the right and left matrix locations of the front row;

the possible collision direction of forward right side, right side or rear right side of the vehicle is indicated when the vibration is located in one or more of the right matrix location of the mid row and the right matrix location of the rear row;

the possible collision direction of forward left side, left side or rear left side of the vehicle is indicated when the vibration is located in one or more of the left matrix location of the mid row and the left matrix location of the rear row; and

the possible collision direction of straight behind the vehicle is indicated when the vibration is located in;

one or more of the left matrix location of the mid row and the left matrix location of the rear row; and

one or more of the right matrix location of the mid row and the right matrix location of the rear row.

21. The method of claim 17 wherein:

the possible collision direction of straight ahead of the vehicle or straight behind the vehicle is indicated when the vibration is located in one or more of;

the right and left matrix locations of the front row;

the right and left matrix locations of the mid row; and

the right and left matrix locations of the rear row;

the possible collision direction of forward right side, right side or rear right side of the vehicle is indicated when the vibration is located in one or more of the right matrix location of the front row, the right matrix location of the mid row and the right matrix location of the rear row; and

the possible collision direction of forward left side, left side or rear left side of the vehicle is indicated when the vibration is located in one or more of the left matrix location of the front row, the left matrix location of the mid row and the left matrix location of the rear row.