IP Library › Granted Patent US 10,745,957
Granted Patent B2
US 10,745,957 · App. 15/708,276 · Granted Aug 18, 2020

Seal based object detection for vehicle door assist system

Inventors: Larry Elie (Ypsilanti, MI); Timothy J. Potter (Dearborn, MI); Robert F. Novak (Farmington Hills, MI); John Wayne Jaranson (Dearborn, MI); Jeff A. Wallace (Walled Lake, MI); Michael M. Azzouz (Livonia, MI); Gerald J. Heath (Allen Park, MI); Evangelos P. Skoures (Detroit, MI)
Assignee: Ford Global Technologies, LLC
E05F15/40B60J5/047E05F15/42E05F15/44E05F15/46E05F15/73E05F15/74E05F15/77E05F15/78G01V3/08G07C5/0808E05Y2400/86E05Y2900/531
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Quick Facts
Patent No.
US 10,745,957
App. No.
15/708,276
Granted
Aug 18, 2020
Kind
B2
Abstract

A door assist system for a vehicle is disclosed. The system comprises an actuator configured to control a position of the door about a hinge assembly. An interference sensor forms a portion of a door opening seal and is configured to detect an obstruction in a plurality of detection regions. The system further comprises a controller configured to control the actuator in response to a detection signal from the interference sensor.

Claims (29)

1. A door assist system for a vehicle comprising:

an actuator configured to control a position of a door of the vehicle about a hinge assembly;

an interference sensor extending along a portion of a door opening seal configured to detect an obstruction in a plurality of detection regions wherein the interference sensor corresponds to a plurality of proximity sensors distributed along a length of the door opening seal extending from the hinge assembly in connection with the vehicle; and

a controller configured to:

detect the obstruction at a plurality of thresholds based on a location of obstruction relative to the hinge assembly, wherein each of the plurality of thresholds corresponds to a sensitivity of a detection of the obstruction, and wherein the controller is configured to detect the obstruction at a higher sensitivity at locations in closer proximity to the hinge assembly; and

control the actuator in response to a detection signal from the interference sensor.

2. The door assist system according to claim 1 , wherein the door opening seal corresponds to at least one of a perimeter door seal and a perimeter door opening seal.

3. The door assist system according to claim 1 , wherein the controller is configured to control the actuator to adjust the position of the door between an open position and a closed position.

4. The door assist system according to claim 1 , wherein the controller is configured to identify the location of the obstruction based on a radial extent of the obstruction from the hinge assembly.

5. A system for a vehicle door connected to a vehicle via a rotational interface comprising a hinge assembly, the system comprising:

a door seal of the vehicle door;

at least one interference sensor extending along a portion of the door seal, wherein the interference sensor comprises an array of proximity sensors configured to detect an obstruction in one of a plurality of sensory regions; and

a processor in communication with the interference sensor and configured to detect the obstruction in each of the sensory regions, wherein the processor is configured to:

receive a detection signal from the array of proximity sensors and identify a location of the obstruction along the door extending from the rotational interface connecting the door to the vehicle based on the detection signal; and

detect the obstruction at a plurality of thresholds based on the location of the obstruction relative to the hinge assembly, wherein each of the plurality of thresholds corresponds to a sensitivity of a detection of the obstruction, and wherein the processor is configured to detect the obstruction at a higher sensitivity at locations in closer proximity to the hinge assembly.

6. The system according to claim 5 , wherein the door seal corresponds to at least one of a perimeter door seal and a perimeter door opening seal.

7. The system according to claim 5 , wherein the interference sensor comprises an array of proximity sensors incorporated as a sensor layer of the door seal.

8. The system according to claim 6 , wherein the door seal comprises an outer layer of at least partially flexible polymeric material.

9. The system according to claim 6 , wherein the array of proximity sensors is disposed proximate an outer layer of the seal and configured to detect the obstruction in a region between the vehicle door and a body of the vehicle.

10. The system according to claim 5 , wherein the processor is configured to output a control signal based on the detection signal, the control signal being configured to control a motion of the vehicle door in response to the position of the obstruction relative to the hinge assembly interconnecting the door to the vehicle.

11. A vehicle door system for a door in connection with a vehicle via a hinge assembly, the system comprising:

a plurality of proximity sensors configured to generate a detection signal, the sensors extend along a portion of at least one of a perimeter door seal and a perimeter door opening seal;

an actuator configured to control a position of the door about the hinge assembly;

an angular position sensor configured to identify an angular position of the door; and

a controller configured to:

detect an obstruction in response to a detection signal from each of a plurality of detection regions positioned along a radial extent of the door relative a hinge assembly;

adjust a sensory range of each of the detection regions in response to the angular position of the door, wherein a first sensory range of a first detection region is lower than a second sensory range of a second detection region and the first detection region is closer to the hinge assembly than the second detection region; and

control the actuator based on the angular position of the door and the detection signal.

12. The vehicle door system according to claim 11 , wherein the perimeter door seal comprises at least one polymeric layer configured to connect with a surface proximate a perimeter of at least one of the door and an opening of the door.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 19, 2017
From: ELIE, LARRY; POTTER, TIMOTHY J.; NOVAK, ROBERT F.; JARANSON, JOHN WAYNE; WALLACE, JEFF A.; AZZOUZ, MICHAEL M.; HEATH, GERALD J.; SKOURES, EVANGELOS P.
To: FORD GLOBAL TECHNOLOGIES, LLC
Reel/Frame 043621/0116 →
Continuity (2)
Division 14812384 · Jul 29, 2015
Related Publication 20180002967A1 · Jan 4, 2018
Cited By (1)
US 12,618,279