Smart pressure and temperature measurement on paper machine rolls: an embedded fiber Bragg grating sensor system enables continuous nip monitoring during paper production

Wolfgang Ecke; Matthias W. Schmitt; Yang Shieh; Eric Lindner; Lothar Zöller

doi:10.1117/12.918010

30 March 2012 Smart pressure and temperature measurement on paper machine rolls: an embedded fiber Bragg grating sensor system enables continuous nip monitoring during paper production

Wolfgang Ecke, Matthias W. Schmitt, Yang Shieh, Eric Lindner, Lothar Zöller

Author Affiliations +

Proceedings Volume 8346, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2012; 83460A (2012) https://doi.org/10.1117/12.918010
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

Abstract

Special fiber Bragg grating (FBG) sensor embedding and interrogation schemes have been designed to capture the momentary peak pressure forces in the nip of adjacent paper machine rolls, and the spatial distribution of these nip forces along circumference and length of the roll, for production speeds of up to 2000 m/min. Additionally, this FBG sensor system measures the temperature distribution in the roll cover. FBG sensor embedment has been investigated and optimized for the implementation of pressure force measurements in various roll cover materials. These measurements enable immediate quality control during various stages of the production process. Draw Tower Grating sensor arrays, simultaneously performing spectrometric interrogation, and autonomous power supply technologies result in an extremely robust fiberoptic sensor system operating at rotation speeds of 700 rpm, equivalent to centrifugal accelerations of 300 G.

Citation Download Citation

Wolfgang Ecke, Matthias W. Schmitt, Yang Shieh, Eric Lindner, and Lothar Zöller "Smart pressure and temperature measurement on paper machine rolls: an embedded fiber Bragg grating sensor system enables continuous nip monitoring during paper production", Proc. SPIE 8346, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2012, 83460A (30 March 2012); https://doi.org/10.1117/12.918010

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