2000Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Optical measuring method of rail wear

Xinmin Qi, Juning Zhou, Gongxin Yu, Futai Zou

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Abstract

This paper synthetically analyzes several kinds of optical measurement methods of rail wear. A new measuring method and its systematic structure, which realizes automatic measurement of the wear on rail profile, was emphatically elucidated. It was implemented by means of adopting a kind of positive sensitive photoelectric detector PSD, and based on the principle of optical triangle measurement, and using stepping motor for scan and controlled by micro-processor. It provides a new measuring method for monitoring and analyzing the state of railway track- rail and ensures the safe of railway.

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What this paper is about

This paper synthetically analyzes several kinds of optical measurement methods of rail wear. A new measuring method and its systematic structure, which realizes automatic measurement of the wear on rail profile, was emphatically elucidated. It was implemented by means of adopting a kind of positive sensitive photoelectric detector PSD, and based on the principle of optical triangle measurement, and using stepping motor for scan and controlled by micro-processor. It provides a new measuring method for monitoring and analyzing the state of railway track- rail and ensures the safe of railway.

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Available abstract

This paper synthetically analyzes several kinds of optical measurement methods of rail wear. A new measuring method and its systematic structure, which realizes automatic measurement of the wear on rail profile, was emphatically elucidated. It was implemented by means of adopting a kind of positive sensitive photoelectric detector PSD, and based on the principle of optical triangle measurement, and using stepping motor for scan and controlled by micro-processor. It provides a new measuring method for monitoring and analyzing the state of railway track- rail and ensures the safe of railway.

Key concepts: Computer science, Track (disk drive), Detector, Photoelectric sensor, Photoelectric effect, Automotive engineering, Electrical engineering, Telecommunications

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