Renault adopts "visionary" measuring system
An
Acticm product story
Edited by the Engineeringtalk editorial team
Jun 29, 2004
The French car manufacturer Renault is to deploy the Advent automated noncontact co-ordinate measuring system for high speed car body inspection.
The French car manufacturer Renault is to deploy the Advent automated noncontact co-ordinate measuring system for high speed car body inspection.
Advent is a vision-based system, which relies on a combination of advanced photogrammetry and powerful digital image processing.
This unique combination provides a high level of accuracy in the results obtained, while increasing the reliability and rapidity of controls performed on parts, organs or complex assemblies, both on and off the production line.
Advent is a complete solution composed of both software and hardware.
The software takes in charge the powerful calculation and analysis of the image processing, the photogrammetry process and the results analysis and statistics report.
The hardware acquires the data, and includes up to eight IVD intelligent vision devices.
Each of these compact optical sensors incorporates two high-resolution digital high-definition CCD cameras, along with an infra-red light source and a white light projector.
This allows both geometric control and surface point measurements.
Each IDV can be mounted on a robot's arm or in a measurement tunnel.
"Today, it takes 8 to 10 hours to control a full car body of a prototype, when Advent takes only two hours", says Baptiste Faivre d'Arcier, Manager of PACA (Photogramm?trie Appliquee a la Carrosserie Automobile) at Renault, who tested the different systems in competition.
These two hours can be cut in two when using two IDVs.
Advent can accept up to eight IVDs, is 10 times faster than any current CMM and provides measurement accuracy up to 0.03 pixel.
It is aimed at the aeronautics, automotive and the transport equipment production sector.
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