Low-cost fiber optic gyro for land navigation

D. E. Allen; Sidney M. Bennett; J. Brunner; Richard B. Dyott

doi:10.1117/12.191834

1 November 1994 Low-cost fiber optic gyro for land navigation

D. E. Allen, Sidney M. Bennett, J. Brunner, Richard B. Dyott

Proceedings Volume 2292, Fiber Optic and Laser Sensors XII; (1994) https://doi.org/10.1117/12.191834
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Fiber optic gyros of modest performance can be used as angular rate sensors for vehicle navigation on land. A practical design uses an open-loop configuration with an all-fiber optical system together with analog signal processing, which makes for low cost and simple construction. Initial production has started on a gyro whose principal components are all made from elliptical-core polarization holding fiber. The angle random walk is less than 10 deg/hr/rt-Hz with a maximum input rate of 100 deg/sec. The output is either an analog voltage which is proportional to rate or serial asynchronous data representing an incremental change in angle.

Citation Download Citation

D. E. Allen, Sidney M. Bennett, J. Brunner, and Richard B. Dyott "Low-cost fiber optic gyro for land navigation", Proc. SPIE 2292, Fiber Optic and Laser Sensors XII, (1 November 1994); https://doi.org/10.1117/12.191834

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