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Proceedings Paper

Smart pressure and temperature measurement on paper machine rolls: an embedded fiber Bragg grating sensor system enables continuous nip monitoring during paper production
Author(s): Wolfgang Ecke; Matthias W. Schmitt; Yang Shieh; Eric Lindner; Lothar Zöller
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Paper 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.

Paper Details

Date Published: 30 March 2012
PDF: 6 pages
Proc. SPIE 8346, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2012, 83460A (30 March 2012); doi: 10.1117/12.918010
Show Author Affiliations
Wolfgang Ecke, Institut für Photonische Technologien e.V. (Germany)
Matthias W. Schmitt, Voith Paper Fabrics GmbH & Co. KG (Germany)
Yang Shieh, Voith Paper Inc. (United States)
Eric Lindner, FBGS Technologies GmbH (Germany)
Lothar Zöller, Institut für Photonische Technologien e.V. (Germany)


Published in SPIE Proceedings Vol. 8346:
Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2012
Theodore E. Matikas, Editor(s)

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