Automatic inspection system for wheel-aligning parameters

Dahai Ren; Xun Jiang; Qiuyan Wu; Zheng You

doi:10.1117/12.402610

9 October 2000 Automatic inspection system for wheel-aligning parameters

Dahai Ren, Xun Jiang, Qiuyan Wu, Zheng You

Proceedings Volume 4221, Optical Measurement and Nondestructive Testing: Techniques and Applications; (2000) https://doi.org/10.1117/12.402610
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China

Abstract

The measurement of the wheel-aligning parameters is very important in the production of vehicles. In this paper, we present a non-contact measuring technique for the inspection of wheel-aligning quality in which the laser triangulation is employed based on structural light sensors. First, the main purpose of the inspection is introduced with corresponding parameters illustrated. Meanwhile, the main principles of the system and the structural light sensors are analyzed in detail. In the paper, the image processing techniques are studied, which include the noise eliminating algorithms and the symbol extraction methods. The image quality is effectively improved and the object points are successfully extracted by these methods. Moreover, the corresponding models are presented for the aligning parameters required. Using the techniques presented in the paper, an inspection system for the wheel-aligning parameters is fulfilled by which the automatic inspection is achieved.

Citation Download Citation

Dahai Ren, Xun Jiang, Qiuyan Wu, and Zheng You "Automatic inspection system for wheel-aligning parameters", Proc. SPIE 4221, Optical Measurement and Nondestructive Testing: Techniques and Applications, (9 October 2000); https://doi.org/10.1117/12.402610

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KEYWORDS

Inspection

Image processing

Optical sensors

3D modeling

Light

Sensors

Cameras

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