Coordinate unification technique of multisensors in laser vision alignment system for vehicle wheel

Changku Sun; Zhixiong Wang; Xiaodong Zhang

doi:10.1117/12.471870

20 September 2002 Coordinates unification technique of multi-sensors in laser vision alignment system for vehicle wheel

Changku Sun, Zhixiong Wang, Xiaodong Zhang

Proceedings Volume 4919, Advanced Materials and Devices for Sensing and Imaging; (2002) https://doi.org/10.1117/12.471870
Event: Photonics Asia, 2002, Shanghai, China

Abstract

This paper presents a laser vision wheel alignment system that includes the design of the system, the working principle, the deduction of mathematical model. Coordinates unification of multiple line-structured laser sensors, which is so called global calibration, is to obtain the position and direction parameters of the multi-sensor's light plane coordinates in the world coordinates system. This paper elaborates on the method of the coordinates unification method of multi-sensors by establish a world coordinates system using two theodolites, which shows the advantage of facile movement, high accurate and most suitable to establish flexible coordinates system. The calibration accuracy is δ equals ± 0.1 mm.

Citation Download Citation

Changku Sun, Zhixiong Wang, and Xiaodong Zhang "Coordinates unification technique of multi-sensors in laser vision alignment system for vehicle wheel", Proc. SPIE 4919, Advanced Materials and Devices for Sensing and Imaging, (20 September 2002); https://doi.org/10.1117/12.471870

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