A new laser displacement sensor based on triangulation for gauge real-time measurement |
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| Authors: | Zhifeng Zhang Qibo Feng Zhan Gao Cuifang Kuang Cheng Fei Zhang Li Jinyun Ding |
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| Affiliation: | aSchool of Science, Beijing Jiaotong University, Beijing 100044, China |
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| Abstract: | A new laser displacement sensor has been designed, constructed, and used in a train running at a speed of 64 km/h. The laser displacement sensor is insensitive to ambient light and to temperature. The parameters of the laser displacement sensor are as follows: the measurement range is 20 mm, and the laser displacement sensor resolution is 0.3 mm. All the results show that this new displacement sensor meets the requirement for real-time gauge measurement. |
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| Keywords: | Quadrant photodiode detector Triangular method Displacement sensor |
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