Optical Fiber Gyroscopes for Automobiles

Paper #:
  • 900490

Published:
  • 1990-02-01
Citation:
Oho, S., Sonobe, H., Makino, J., Kajioka, H. et al., "Optical Fiber Gyroscopes for Automobiles," SAE Technical Paper 900490, 1990, https://doi.org/10.4271/900490.
Pages:
10
Abstract:
This paper reviews the technological aspects and characteristics of optical fiber gyroscopes, and discusses their automotive applications. The optical system of an all-fiber gyroscope and the fiber optic components to build it are described. An optical phase modulation scheme to improve the sensitivity and the signal processing for the modulated output are discussed. The specifications of some packaged optical fiber gyroscopes are explained. An earth's rotation detection experiment is demonstrated to show the higher performance. The potential automotive related applications of the gyroscope are forecasted. One of the off-board uses of the sensor is the vibration measurements of a vehicle. When used onboard, the optical fiber gyroscopes will improve the navigation accuracy. A navigation result utilized the sensor with a map matching algorithm is reported. The gyroscopes may also be applied to future chassis controls.
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