Milk Meter Calibration Using Reference Profiles

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

The calibration of milk meters in milking systems is often inadequate, leading to inaccuracies in measuring milk production, despite advances in technology.

Innovation Solution

A method and apparatus that obtain milk flow data for multiple animals to determine milk flow profiles, compare them to establish a subset meeting specific criteria, and use these profiles to determine a reference value for calibrating milk meters, ensuring improved accuracy and reliability in calibration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional calibration methods are used with standard reference values, then the calibration process is simple and quick, but the measurement precision and reliability of milk meters are inadequate

Engineering Contradiction:
Improvecalibration accuracyVSAvoidcalibration process complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system performs preliminary data collection and analysis by gathering milk flow data from multiple milking animals over time, establishing reference profiles before calibration is needed. This pre-established reference data enables more accurate calibration without adding complexity to the actual calibration execution

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces milk flow reference profiles as an intermediary element between the calibration process and the milk meter. These profiles serve as a mediator that translates complex measurement requirements into usable calibration references, improving accuracy while managing complexity

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If routine calibration is performed with standard reference values, then the calibration frequency can be maintained, but the calibration quality and reliability remain insufficient

Engineering Contradiction:
Improvecalibration reliabilityVSAvoidcalibration time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system enables self-calibration capability by allowing the milk meter to automatically compare its measurements against established reference profiles and perform adjustments without requiring manual intervention or complex calibration procedures, thereby improving reliability while minimizing time loss

Inventive Principle:
Principle #25Self-service

3Measurement precision

If standard calibration reference values are used, then the calibration process is straightforward, but errors in milk production measurement persist

Engineering Contradiction:
Improvemilk production measurement accuracyVSAvoidcalibration operation simplicity
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

Milk flow reference profiles act as an intermediary that bridges the gap between simple calibration operations and precise measurement requirements. The profiles translate complex measurement standards into accessible reference data that maintains accuracy while preserving operational simplicity

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP3772912B1Methods and apparatuses for providing a reference value to be used for controlling the calibration of a milk meter
Publication Date: 2022.05.04 DELAVAL HLDG AB
  • EP3772912B1 patent drawingFigure 1~2
  • EP3772912B1 patent drawingFigure 3~4
  • EP3772912B1 patent drawingFigure 5

AI summary

This disclosure generally relates milking systems and, in particular, automatic milking systems. The disclosure presents methods, apparatuses and computer program for providing a reference value to be used for controlling a calibration of at least one milk meter in a milking system. In accordance with one embodiment, a method may comprise obtaining (510) milk flow data for a plurality of milking animals to determine a milk flow profile for each milking animal of the plurality of milking animals;comparing (520) the determined milk flow profiles to establish a subset of milk flow profiles that meets a pre-defined selection criteria; determining (530) said reference value based on the established subset of milk flow profiles; and providing (540) the determined reference value for controlling a subsequent calibration of at least one milk meter in a milking system.