Optical measuring method of rail wear
Xinmin Qi, Juning Zhou, Gongxin Yu, Futai Zou
Abstract
Xinmin Qi, Juning Zhou, Gongxin Yu, Futai Zou
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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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