Automated Test Plan Adaptation for Similar Measurement Objects

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Solution Overview

Problem

The generation of test plans for measuring workpieces is time-consuming and labor-intensive, especially when dealing with groups of similar workpieces that differ only in certain dimensions, requiring frequent adjustments to measurement machine parameters or re-measurement.

Innovation Solution

A method that generates a test plan for a measurement object by assigning it to an object class based on its geometric properties, using an existing test plan for a comparable object, allowing for partial or complete adaptation to accommodate dimensional differences, and enabling automatic or semi-automatic assignment and adaptation of test plans.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a test plan is manually created for each measurement object, then measurement precision can be ensured, but time consumption and labor intensity increase significantly

Engineering Contradiction:
Improvemeasurement accuracyVSAvoidtest plan generation time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system performs preliminary actions by pre-defining object classes with associated test plans before actual measurement occurs. When a measurement object is received, the system automatically assigns it to a pre-defined object class based on geometric properties, thereby retrieving a ready-made test plan without manual creation, thus reducing time consumption while maintaining measurement precision through class-specific standardized procedures

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system changes parameters by adapting the retrieved test plan to match the specific measurement object. The test plan is modified based on the object's actual geometric properties, allowing the same base test plan to be customized for different objects within the same class, thereby maintaining precision while avoiding complete manual re-creation of test plans

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If measurement machine parameters are frequently adjusted for different workpiece dimensions, then measurement accuracy is maintained, but operator convenience decreases and time is lost

Engineering Contradiction:
Improvemeasurement accuracyVSAvoidoperator convenience
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The system implements universality by creating object classes that can accommodate multiple workpieces with varying dimensions. A single object class and its associated test plan can handle various workpieces within defined geometric ranges, eliminating the need for frequent parameter adjustments and manual test plan modifications, thereby improving operator convenience while maintaining measurement accuracy through standardized procedures

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system automatically changes parameters by adapting the test plan to the specific workpiece dimensions through automated parameter adjustment based on geometric properties. This eliminates manual parameter adjustment by the operator, improving ease of operation while ensuring measurement precision through systematic parameter optimization

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If a generic test plan is used for all workpieces, then operator convenience increases, but measurement precision decreases due to lack of customization

Engineering Contradiction:
Improveoperator convenienceVSAvoidmeasurement accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The system applies local quality by customizing the test plan according to the specific object class and individual workpiece properties. Instead of using a completely generic test plan, the system retrieves a base test plan for the object class and then adapts it with local modifications based on the specific geometric properties of the workpiece, thereby maintaining measurement precision while improving operator convenience through automated customization

Inventive Principle:
Principle #3Local quality

4Measurement precision

If test plans are manually adapted for each similar workpiece, then measurement accuracy is maintained, but productivity decreases due to repetitive manual work

Engineering Contradiction:
Improvemeasurement accuracyVSAvoidtest plan generation efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The system performs preliminary action by pre-defining object classes with associated test plans before actual measurement occurs. When a measurement object is received, the system automatically assigns it to a pre-defined object class based on geometric properties, thereby retrieving a ready-made test plan without manual creation, thus reducing time consumption while maintaining measurement precision through class-specific standardized procedures

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system changes parameters by adapting the retrieved test plan to match the specific measurement object. The test plan is modified based on the object's actual geometric properties, allowing the same base test plan to be customized for different objects within the same class, thereby maintaining precision while avoiding complete manual re-creation of test plans

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20240361743A1Method and Apparatus for Automated Generation of a Test Plan to Measure a Measurement Object
Publication Date: 2024.10.31 CARL ZEISS INDUSTRIELLE MESSTECHNIKE GMBH
  • US20240361743A1 patent drawing
  • US20240361743A1 patent drawing
  • US20240361743A1 patent drawing

AI summary

A method for generating a resultant test plan includes generating a data record by measuring a measurement object. The method includes assigning at least part of the measurement object to an object class based on the data record. The method includes determining a test plan assigned to the object class as an object-class-specific test plan. The method includes determining the resultant test plan based on the object-class-specific test plan. The assignment is known in advance, between (a) object properties determinable based on data and the object class or (b) the object class and the object-class-specific test plan. The method includes creating an adapted assignment by adapting the assignment based on: (a) object properties of the measurement object currently measured or (b) the resultant test plan assigned to the measurement object. The determining the resultant test plan is performed based on the adapted assignment.