Method for determining inspection poses of a part to be inspected and associated determination device

The method and device automate the determination of robotic arm poses for non-destructive inspection, addressing the laborious and non-reproducible issues of existing methods by optimizing patch segmentation and trajectory planning for reliable and efficient part inspection.

FR3166971A1Pending Publication Date: 2026-04-03COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES +2
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Patent Information

Application Number
FR2024010378
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing non-destructive inspection methods for parts, such as dye penetrant testing and infrared thermography, require precise installation and manual determination of robotic arm poses, leading to laborious and non-reproducible processes.

Method used

A method and device for determining control poses of a part to be inspected using a robotic arm, involving digital modeling, patch segmentation, accessibility testing, and trajectory planning to automate the process, ensuring reliable and repeatable inspection.

Benefits of technology

Enables precise, automated, and repeatable inspection of parts by optimizing robotic arm poses, simplifying the implementation and reducing reliance on operator expertise.

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Abstract

Method for determining inspection poses for a part to be inspected and associated determination device. The present invention relates to a method for determining inspection poses for a part to be inspected, comprising the following steps: - provision (110) of a digital model of the part to be inspected; - determination (120) on an outer surface of the digital model of a plurality of patches, each patch having an area on said outer surface; - determination (130) of patches inaccessible by an inspection device among the set of patches determined; - filtering (140) of the set of patches to remove the inaccessible patches; - determination (160) of a path for a robotic arm to reach, by means of the inspection device, the inspection points of the filtered set of patches; - transformation (170) of the path and the inspection points into a plurality of inspection instructions for the robotic arm.Figure for the abbreviation: Figure 3.
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