Abstract

In support of objectives to exploit recent technical advances in fiber optic gyroscope technology, the US Air Force, with support from the US Navy, is conducting an exploratory development program to develop and demonstrate an affordable, high accuracy, strapdown, solid-state gyroscope for precision navigation and guidance applications. The precision fiber optic gyro (PFOG) must demonstrate high accuracy performance under high dynamic environments, potential for high reliability (> 100,000 hours) and low cost in a small, low power, lightweight package requiring no periodic maintenance. Performance goals for PFOG are 0.001 degrees per hour bias, 0.0005 degrees per square-root hour random walk and 5 parts per million scale factor. Litton Guidance and Control Systems has been awarded a contract for the design, development, test and demonstration of a PFOG instrument. This paper describes the overall PFOG program and provides a review of Litton's technical approach including test results. A breadboard model PFOG has been fabricated and is undergoing performance and developmental testing. Progress toward meeting the PFOG performance goals is presented.

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