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주축 상태 모니터링 용 광파이버 변위센서 제작 및 성능평가
신우철(Woo-cheol Shin),홍준희(Jun-hee Hong),박찬규(Chan-gyu Park) 한국생산제조학회 2005 한국생산제조학회지 Vol.14 No.6
This paper presents fabrication techniques of the optical fiber position sensor for spindle state monitoring. These include selection of components such as optical fibers, a laser-diode, a photo-diode, and op-amp IC of the signal process circuit. We also describe electric runout problem. The fabricated sensor has a linearity of 1.7% FSO in the air gap range 0.1 ~ 0.6㎜, a resolution of 0.37 μm and a bandwidth of 6.3㎑. Finally, we have successfully operated a magnetic bearing spindle system using the sensors.