Vision system for teat detection

Patent metadata

Field	Value
Publication number	US-10349614-B2
Application number	US-201715448879-A
Country	US
Kind code	B2
Filing date	Mar 3, 2017
Priority date	Aug 17, 2016
Publication date	Jul 16, 2019
Grant date	Jul 16, 2019

Abstract

A system includes a robotic arm, memory, and a processor. The processor is configured to access first and second success counters stored in the memory. The first success counter is associated with a first attach algorithm and the second success counter is associated with a second attach algorithm. The processor is further configured to determine whether the first success counter is greater than the second success counter. The processor is further configured to execute the first attach algorithm if the first success counter is greater than the second success counter, and to execute the second attach algorithm if the first success counter is not greater than the second success counter. The processor is further configured to increment the first success counter if the first attach algorithm is successful, and to increment the second success counter if the second attach algorithm is successful.

First claim

The invention claimed is:

1. A vision system comprising:
a robotic arm configured to attach a teat cup to a dairy livestock in a stall;
one or more memory devices configured to store a plurality of success counters, each success counter associated with a successful attachment of the teat cup to a particular dairy livestock using a particular attach algorithm; and
a processor communicatively coupled to the robotic arm and the one or more memory devices, the processor configured to:
access a first success counter associated with a first attach algorithm;
access a second success counter associated with a second attach algorithm;
determine whether the first success counter is greater than the second success counter;
if it is determined that the first success counter is greater than the second success counter:
execute the first attach algorithm in order to attempt to attach the teat cup to the dairy livestock using the robotic arm;
determine that the teat cup was successfully attached to the dairy livestock using the first attach algorithm; and
in response to determining that the teat cup was successfully attached to the dairy livestock using the first attach algorithm, increment the first success counter; and

if it is determined that the first success counter is not greater than the second success counter:
execute the second attach algorithm in order to attempt to attach the teat cup to the dairy livestock using the robotic arm;
determine that the teat cup was successfully attached to the dairy livestock using the second attach algorithm; and
in response to determining that the teat cup was successfully attached to the dairy livestock using the second attach algorithm, increment the second success counter.

2. The vision system of claim 1 , wherein the processor is further configured to:
determine that the teat cup was not successfully attached to the dairy livestock using the first attach algorithm; and
in response to determining that the teat cup was not successfully attached to the dairy livestock using the first attach algorithm:
execute the second attach algorithm in order to attempt to attach the teat cup to the dairy livestock using the robotic arm;
determine that the teat cup was successfully attached to the dairy livestock using the second attach algorithm; and
in response to determining that the teat cup was successfully attached to the dairy livestock using the second attach algorithm, increment the second success counter and store the incremented second success counter in the one or more memory devices.

3. The vision system of claim 1 , wherein the processor is further configured to:
determine that the teat cup was not successfully attached to the dairy livestock using the second attach algorithm; and
in response to determining that the teat cup was not successfully attached to the dairy livestock using the second attach algorithm:
execute the first attach algorithm in order to attempt to attach the teat cup to the dairy livestock using the robotic arm;
determine that the teat cup was successfully attached to the dairy livestock using the first attach algorithm;
in response to determining that the teat cup was successfully attached to the dairy livestock using the first attach algorithm, increment the first success counter and store the incremented first success counter in the one or more memory devices.

4. The vision system of claim 1 , wherein the processor is further configured to:
store the incremented first success counter in the one or more memory devices; and
store the incremented second success counter in the one or more memory devices.

5. The vision system of claim 1 , wherein executing the first attach algorithm in order to attempt to attach the teat cup to the dairy livestock using the robotic arm comprises sending one or more instructions to the robotic arm and a laser coupled to the robotic arm.

6. The vision system of claim 1 , wherein executing the second attach algorithm in order to attempt to attach the teat cup to the dairy livestock using the robotic arm comprises sending one or more instructions to the robotic arm and a laser coupled to the robotic arm.

7. The vision system of claim 1 , wherein determining that the teat cup was successfully attached to the dairy livestock comprises analyzing a profile signal generated by a laser by scanning the dairy livestock.

8. A method, comprising:
accessing, by a processor, a first success counter associated with a successful attachment of a teat cup to a dairy livestock using a first attach algorithm;
accessing, by the processor, a second success counter associated with a successful attachment of the teat cup to the dairy livestock using a second attach algorithm;
determining, by the processor, whether the first success counter is greater than the second success counter;
if it is determined that the first success counter is greater than the second success counter:
executing, by the processor, the first attach algorithm in order to attempt to attach the teat cup to the dairy livestock using a robotic arm;
determining, by the processor, that the teat cup was successfully attached to the dairy livestock using the first attach algorithm; and
in response to determining that the teat cup was successfully attached to the dairy livestock using the first attach algorithm, incrementing, by the processor, the first success counter; and

if it is determined that the first success counter is not greater than the second success counter:
executing, by the processor, the second attach algorithm in order to attempt to attach the teat cup to the dairy livestock using the robotic arm;
determining, by the processor, that the teat cup was successfully attached to the dairy livestock using the second attach algorithm; and
in response to determining that the teat cup was successfully attached to the dairy livestock using the second attach algorithm, incrementing, by the processor, the second success counter.

9. The method of claim 8 , further comprising:
determining, by the processor, that the teat cup was not successfully attached to the dairy livestock using the first attach algorithm; and
in response to determining that the teat cup was not successfully attached to the dairy livestock using the first attach algorithm:
executing, by the processor, the second attach algorithm in order to attempt to attach the teat cup to the dairy livestock using the robotic arm;
determining, by the processor, that the teat cup was successfully attached to the dairy livestock using the second attach algorithm; and
in response to determining that the teat cup was successfully attached to the dairy livestock using the second attach algorithm, incrementing, by the processor, the second success counter.

10. The method of claim 8 , further comprising:
determining, by the processor, that the teat cup was not successfully attached to the dairy livestock using the second attach algorithm; and
in response to determining that the teat cup was not successfully attached to the dairy livestock using the second attach algorithm:
executing, by the processor, the first attach algorithm in order to attempt to attach the teat cup to the dairy livestock using the robotic arm;
determining, by the processor, that the teat cup was successfully attached to the dairy livestock using the first attach algorithm;
in response to determining that the teat cup was successfully attached to the dairy livestock using the first attach algorithm, incrementing, by the processor, the first success counter.

11. The method of claim 8 , further comprising:
storing, by the processor, the incremented first success counter in the one or

Assignees

• Technologies Holdings Corp

Inventors

• Foresman Mark A
• Anart Marijn Van

Classifications

• A01J5/007 Primary

  Monitoring milking processes; Control or regulation of milking machines · CPC title

• A01J5/0175

  Attaching of clusters · CPC title

• G01B11/24

  for measuring contours or curvatures · CPC title

• G06K9/00664

  Physics · mapped topic

• G06V2201/06

  Recognition of objects for industrial automation · CPC title