Fiber-optic sensor for long range displacement measurement of a rotating spindle

Zeina El Rawashdeh 1 Philippe Revel 1 Christine Prelle 1 Pierrick Letort 2 Frédéric Lamarque 3, 1
1 Roberval - Roberval
2 CETIM - CEntre Technique des Industries Mécaniques
3 Département de Préhistoire
Abstract : This paper presents the geometric design and the performances of a high precision fiber-optic linear displacement sensor. Its original characteristic is the ability to measure the linear displacement of a rotating spindle. This sensor consists of two fiber-optic probes and a grating of assembled cones. First, the measurement principle is introduced. Then, the geometric model for sizing the first prototype grating is presented. The high precision fabrication technique of this initial prototype is illustrated. Finally, the sensor was used to measure the linear displacement of a rotating spindle.
Keywords : fiber-optic sensor on-line measurement diamond tool machining
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Conference papers
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https://hal.utc.fr/hal-02120862
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Zeina El Rawashdeh, Philippe Revel, Christine Prelle, Pierrick Letort, Frédéric Lamarque. Fiber-optic sensor for long range displacement measurement of a rotating spindle. 2016 11th France-Japan & 9th Europe-Asia Congress on Mechatronics (MECATRONICS) /17th Internationall Conference on Research and Education in Mechatronics (REM), Jun 2016, Compiègne, France. pp.248-253. ⟨hal-02120862⟩

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