IP Library Granted Patent US 12,023,818
Granted Patent B2
US 12,023,818 · App. 18/234,847 · Granted Jul 2, 2024

Systems and methods for providing contact detection in an articulated arm

Inventors: Thomas Wagner (Concord, MA); Kevin Ahearn (Nebo, NC); Michael Dawson-Haggerty (Pittsburgh, PA); Christopher Geyer (Arlington, MA); Thomas Koletschka (Cambridge, MA); Kyle Maroney (North Attleboro, MA); Matthew T. Mason (Pittsburgh, PA); Gene Temple Price (Cambridge, MA); Joseph Romano (Arlington, MA); Daniel Smith (Canonsburg, PA); Siddhartha Srinivasa (Seattle, WA); Prasanna Velagapudi (Pittsburgh, PA); Thomas Allen (Reading, MA)
Assignee: Berkshire Grey Operating Company, Inc.
B25J9/1694B25J9/1638B25J13/088B25J15/0616B25J17/0208
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Quick Facts
Patent No.
US 12,023,818
App. No.
18/234,847
Granted
Jul 2, 2024
Kind
B2
Abstract

A sensing manipulator of an articulated arm is disclosed. The sensing manipulator includes a compliant section and a movement detection system provided along a first direction of the compliant section such that movement of the compliant section along both the first direction and at least one direction transverse to said first direction, are detectable by the movement detection system.

Claims (42)

1. A method of grasping and moving objects with a programmable motion system, said method comprising:

providing a deformable vacuum end-effector with a proximal end that is coupled to a vacuum source and a distal end at which a vacuum is provided for contacting objects;

contacting at least one object with the distal end of the deformable end-effector;

detecting movement in at least two degrees of freedom of the distal end of the end-effector with respect to the proximal end of the end-effector, and providing information regarding the movement of the distal end with respect to the proximal end of the deformable end-effector, and

determining, responsive to the information regarding movement of the distal end with respect to the proximal end of the deformable end-effector whether the deformable vacuum end-effector has made contact with the at least one object to be grasped.

2. The method of claim 1 , wherein the deformable vacuum end-effector is provided as a vacuum cup.

3. The method of claim 2 , wherein the vacuum cup is provided as a tubular or conical bellows.

4. The method of claim 3 , wherein the movement detection system includes a magnetic field sensor.

5. The method of claim 4 , wherein the movement detection system includes an attachment band on a tubular or conical bellows of the vacuum cup.

6. The method of claim 1 , wherein the programmable motion system includes a vacuum sensor that detects air flow.

7. The method of claim 1 , wherein the controller further determines whether the method further includes grasping and moving the end-effector while noting changes in movement of the distal end of the end-effector with respect to the proximal end of the end-effector.

8. The method of claim 1 , wherein the controller further determines whether to increase a vacuum flow provided at the end-effector to maintain the object for transport.

9. The method of claim 1 , wherein the at least two degrees of freedom include any of load, pitch, roll and yaw.

10. The method of claim 1 , wherein the detection system provides information regarding movement of the distal end of the end-effector with respect to the proximal end of the end-effector in three degrees of freedom.

11. A method of grasping and moving objects with a programmable motion system, said method comprising:

providing a deformable vacuum end-effector with a proximal end that is coupled to a vacuum source and a distal end at which a vacuum is provided for contacting objects;

grasping at least one object with the distal end of the deformable end-effector;

detecting movement in at least two degrees of freedom of the distal end of the end-effector with respect to the proximal end of the end-effector, and providing information regarding the movement of the distal end with respect to the proximal end of the deformable end-effector, and

determining, responsive to the information regarding movement of the distal end with respect to the proximal end of the deformable end-effector whether the deformable vacuum end-effector has grasped the object.

12. The method of claim 11 , wherein the deformable vacuum end-effector is provided as a vacuum cup.

13. The method of claim 12 , wherein the vacuum cup is provided as a tubular or conical bellows.

14. The method of claim 13 , wherein the movement detection system includes a magnetic field sensor.

15. The method of claim 14 , wherein the movement detection system includes an attachment band on a tubular or conical bellows of the vacuum cup.

16. The method of claim 11 , wherein the programmable motion system includes a vacuum sensor that detects air flow.

17. The method of claim 11 , wherein the controller further determines whether the method further includes moving the end-effector while noting changes in movement of the distal end of the end-effector with respect to the proximal end of the end-effector.

18. The method of claim 11 , wherein the controller further determines whether to increase a vacuum flow provided at the end-effector to maintain the object for transport.

19. The method of claim 11 , wherein the at least two degrees of freedom include any of load, pitch, roll and yaw.

20. The method of claim 11 , wherein the detection system provides information regarding movement of the distal end of the end-effector with respect to the proximal end of the end-effector in three degrees of freedom.

21. A method of grasping and moving objects with a programmable motion system, said method comprising:

providing a deformable vacuum end-effector with a proximal end that is coupled to a vacuum source and a distal end at which a vacuum is provided for contacting objects;

moving at least one object with the distal end of the deformable end-effector;

detecting movement in at least two degrees of freedom of the distal end of the end-effector with respect to the proximal end of the end-effector, and providing information regarding the movement of the distal end with respect to the proximal end of the deformable end-effector, and

determining, responsive to the information regarding movement of the distal end with respect to the proximal end of the deformable end-effector whether the deformable vacuum end-effector is maintaining a sufficient grasp on the object.

22. The method of claim 21 , wherein the deformable vacuum end-effector is provided as a vacuum cup.

23. The method of claim 22 , wherein the vacuum cup is provided as a tubular or conical bellows.

24. The method of claim 23 , wherein the movement detection system includes a magnetic field sensor.

25. The method of claim 24 , wherein the movement detection system includes an attachment band on a tubular or conical bellows of the vacuum cup.

26. The method of claim 21 , wherein the programmable motion system includes a vacuum sensor that detects air flow.

27. The method of claim 21 , wherein the controller further determines whether the method further includes determining whether to return the at least one object to an input area.

28. The method of claim 21 , wherein the controller further determines whether to increase a vacuum flow provided at the end-effector to maintain the object for transport.

29. The method of claim 21 , wherein the at least two degrees of freedom include any of load, pitch, roll and yaw.

30. The method of claim 21 , wherein the detection system provides information regarding movement of the distal end of the end-effector with respect to the proximal end of the end-effector in three degrees of freedom.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 6, 2023
From: WAGNER, THOMAS; AHEARN, KEVIN; DAWSON-HAGGERTY, MICHAEL; GEYER, CHRISTOPHER; KOLETSCHKA, THOMAS; MARONEY, KYLE; MASON, MATTHEW T.; PRICE, GENE TEMPLE; ROMANO, JOSEPH; SMITH, DANIEL; SRINIVASA, SIDDHARTHA; VELAGAPUDI, PRASANNA; ALLEN, THOMAS
To: BERKSHIRE GREY OPERATING COMPANY, INC.
Reel/Frame 065151/0120 →
Continuity (9)
Continuation 18093264 · Jan 4, 2023
Continuation 17736606 · May 4, 2022
Continuation 17123862 · Dec 16, 2020
Continuation 16743428 · Jan 15, 2020
Continuation 16545627 · Aug 20, 2019
Continuation 16212113 · Dec 6, 2018
Continuation 15242255 · Aug 19, 2016
Provisional Application 62210235 · Aug 26, 2015
Related Publication 20230405829A1 · Dec 21, 2023