Fiber optic rotation sensor including a temperature sensor and l

Details Fiber optic rotation sensor including a temperature sensor and l Fiber optic rotation sensor including a temperature sensor and l

1992-03-03

1993-12-21

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1972

Patent

active

052725162

ABSTRACT:
A fiber optic rotation sensor includes a logic circuit which is supplied with an ambient temperature from a temperature sensor, a light output from an optical fiber sensing loop, and at least two correlation maps from a memory. The correlation maps are prepared at predetermined temperatures by light output values and angular velocities corresponding to the light output values. The logic circuit selects two correlation maps of two temperatures, between which the detected ambient temperature ranges, and provides an angular velocity in accordance with the two temperatures, the detected ambient temperature, and the light output by using the selected two correlation maps.

REFERENCES:
patent: 5020913 (1991-06-01), Okada et al.
patent: 5080488 (1992-01-01), Buehler et al.

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