Flexible coordinate measurement system based on robot for industries

Yin Guo; Xue-you Yang; Chang-jie Liu; Sheng-hua Ye

doi:10.1117/12.865951

11 October 2010 Flexible coordinate measurement system based on robot for industries

Yin Guo, Xue-you Yang, Chang-jie Liu, Sheng-hua Ye

Proceedings Volume 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 76567D (2010) https://doi.org/10.1117/12.865951
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

The flexible coordinate measurement system based on robot which is applicable to multi-model vehicle is designed to meet the needs of online measurement for current mainstream mixed body-in-white(BIW) production line. The moderate precision, good flexibility and no blind angle are the benefits of this measurement system. According to the measurement system, a monocular structured light vision sensor has been designed, which can measure not only edges, but also planes, apertures and other features. And a effective way to fast on-site calibration of the whole system using the laser tracker has also been proposed, which achieves the unity of various coordinate systems in industrial fields. The experimental results show satisfactory precision of ±0.30mm of this measurement system, which is sufficient for the needs of online measurement for body-in-white(BIW) in the auto production line. The system achieves real-time detection and monitoring of the whole process of the car body's manufacture, and provides a complete data support in purpose of overcoming the manufacturing error immediately and accurately and improving the manufacturing precision.

Citation Download Citation

Yin Guo, Xue-you Yang, Chang-jie Liu, and Sheng-hua Ye "Flexible coordinate measurement system based on robot for industries", Proc. SPIE 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 76567D (11 October 2010); https://doi.org/10.1117/12.865951

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KEYWORDS

Sensors

Calibration

Structured light

Cameras

Robotic systems

Manufacturing

Robot vision

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