Monitoring tension in tensioned longitudinally moving...

Details Monitoring tension in tensioned longitudinally moving... Monitoring tension in tensioned longitudinally moving...

G - Physics

01

L

G01L 1/10 (2006.01) G01L 5/04 (2006.01)

Patent

CA 2203963

The tension in an optical fibre being drawn from a preform is monitored by sensing its motion transverse to the drawing direction and analysing the sensed motion using an autoregressive time-series model to provide a power spectrum. One of the peaks of the spectrum is identified as associated with the fundamental natural frequency of the drawn fibre and the frequency of that peak is used in a calculation of the tension of the fibre.

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