Method for parking a vehicle and corresponding parking assistance system and vehicle

Patent metadata

Field	Value
Publication number	US-9272733-B2
Application number	US-201113697347-A
Country	US
Kind code	B2
Filing date	May 9, 2011
Priority date	May 12, 2010
Publication date	Mar 1, 2016
Grant date	Mar 1, 2016

Abstract

Automatic monitoring to determine whether, during a parking process of a parking assistance system of the vehicle, the vehicle is at an end of a current maneuver of the parking process. If the vehicle is at the end of the current maneuver of the parking process, a braking request of the driver of the vehicle to activate a brake of the vehicle is generated automatically.

First claim

The invention claimed is:

1. A method for parking a vehicle using a parking assistance system, comprising:
monitoring, via a parking assistance system during a parking space entering process, whether the vehicle is located at an end of a current maneuver of the parking space entering process; and
generating, via the parking assistance system during the parking space entering process, a braking request for the driver of the vehicle to activate a brake of the vehicle if the monitoring detects that the vehicle is located at the end of the current maneuver of the parking space entering process, wherein the braking request is generated for a time period which is dependent on
(i) a point in time at which a gear speed change of the vehicle takes place during the parking space entering process, and
(ii) a ratio of (a) a difference between a target steering angle and an actual steering angle, and (b) a speed of change of the steering angle during the parking space entering process.

2. The method of claim 1 , wherein the target steering angle corresponds to a maneuver which directly follows the current maneuver.

3. The method of claim 2 , wherein a steering duration Z is determined as follows:

Z
=

TSA
-
ASA

SCSA

wherein TSA is the target steering angle, ASA is the actual steering angle and SCSA is the speed of change of the steering angle, and
wherein the braking request is indicated until the actual steering angle corresponds to the target steering angle if the steering duration (Z) is longer than a minimum braking request-generating period.

4. The method of claim 2 , wherein, after a changeover of a direction indication of the parking assistance system, the braking request is generated at least until the gear speed change has taken place or until a minimum request period has passed.

5. The method of claim 4 , wherein the direction indication indicates a setpoint forward movement or a setpoint reverse movement of the vehicle, and wherein the direction indication changes from indicating the setpoint forward movement to indicating the setpoint reverse movement if a reverse gear speed of the vehicle is engaged or if the vehicle is located at the end of the current maneuver, and the direction indication changes from indicating the setpoint reverse movement to indicating the setpoint forward movement if a forward gear speed of the vehicle is engaged or if the vehicle is located at the end of the current maneuver.

6. A parking assistance system for a vehicle comprising:
a device that generates a braking request;
a controller; and
at least one sensor, wherein the device generates the braking request during a parking space entering process of the parking assistance system if the at least one sensor senses that the vehicle is located at an end of a current maneuver of the parking space entering process, wherein the braking request is generated for a time period which is dependent on
(i) a point in time at which a gear speed change of the vehicle takes place during the parking space entering process, and
(ii) a ratio of (a) a difference between a target steering angle and an actual steering angle, and (b) a speed of change of the steering angle during the parking space entering process.

7. The parking assistance system of claim 6 , wherein the parking assistance system is configured to:
monitor, during a parking space entering process of the parking assistance system, whether the vehicle is located at an end of a current maneuver of the parking space entering process; and
generate a braking request for the driver of the vehicle to activate a brake of the vehicle if the monitoring detects that the vehicle is located at the end of the current maneuver of the parking space entering process.

8. A vehicle having a parking assistance system that comprises a vehicle parking assistance system comprising:
a device that generates a braking request;
a controller; and
at least one sensor, wherein the device generates the braking request during a parking space entering process of the parking assistance system if the at least one sensor senses that the vehicle is located at an end of a current maneuver of the parking space entering process, wherein the braking request is generated for a time period which is dependent on
(i) a point in time at which a gear speed change of the vehicle takes place during the parking space entering process, and
(ii) a ratio of (a) a difference between a target steering angle and an actual steering angle, and (b) a speed of change of the steering angle during the parking space entering process.

9. The method of claim 3 , wherein, after a changeover of a direction indication of the parking assistance system, the braking request is generated at least until the gear speed change has taken place or until a minimum request period has passed.

10. The method of claim 9 , wherein the direction indication indicates a setpoint forward movement or a setpoint reverse movement of the vehicle, and wherein the direction indication changes from indicating the setpoint forward movement to indicating the setpoint reverse movement if a reverse gear speed of the vehicle is engaged or if the vehicle is located at the end of the current maneuver, and the direction indication changes from indicating the setpoint reverse movement to indicating the setpoint forward movement if a forward gear speed of the vehicle is engaged or if the vehicle is located at the end of the current maneuver.

11. The vehicle of claim 8 , wherein the target steering angle corresponds to a maneuver which directly follows the current maneuver.

12. The vehicle of claim 11 , wherein a steering duration Z is determined as follows:

Z
=

TSA
-
ASA

SCSA

wherein TSA is the target steering angle, ASA is the actual steering angle and SCSA is the speed of change of the steering angle, and
wherein the braking request is indicated until the actual steering angle corresponds to the target steering angle if the steering duration (Z) is longer than a minimum braking request-generating period.

13. The vehicle of claim 11 , wherein, after a changeover of the direction indication of the parking assistance system, the braking request is generated at least until the gear speed change has taken place or until a minimum request period has passed.

14. The vehicle of claim 13 , wherein the direction indication indicates a setpoint forward movement or a setpoint reverse movement of the vehicle, and wherein the direction indication changes from indicating the setpoint forward movement to indicating the setpoint reverse movement if a reverse gear speed of the vehicle is engaged or if the vehicle is located at the end of the current maneuver, and the direction indication changes from indicating the setpoint reverse movement to indicating the setpoint forward movement if a forward gear speed of the vehicle is engaged or if the vehicle is located at the end of the current maneuver.

15. The parking assistance system of claim 7 , wherein the target steering angle corresponds to a maneuver which directly follows the current maneuver.

Assignees

• Terkes Mehmet
• Wuttke Ulrich
• Hüger Philipp
• Wendler Torsten
• Volkswagen Ag

Inventors

• Terkes Mehmet
• Wuttke Ulrich
• Hüger Philipp
• Wendler Torsten

Classifications

• B60W30/06

  Automatic manoeuvring for parking · CPC title

• B62D15/028 Primary

  Guided parking by providing commands to the driver, e.g. acoustically or optically · CPC title

• B62D15/0285 Primary

  Parking performed automatically · CPC title