0.1-deg/h DSP-controlled fiber optic gyroscope

Mauricio A. Ribes; Guenter Spahlinger; Manfred W. Kemmler

doi:10.1117/12.258180

12 November 1996 0.1-deg/h DSP-controlled fiber optic gyroscope

Mauricio A. Ribes, Guenter Spahlinger, Manfred W. Kemmler

Proceedings Volume 2837, Fiber Optic Gyros: 20th Anniversary Conference; (1996) https://doi.org/10.1117/12.258180
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

This paper describes a 0.1 deg/hr fiber optic gyroscope (FOG) controlled exclusively by a high-speed digital signal processor (DSP). The sampling time of all control loops equals the transition time of the light through the sensor coil. The device uses a 500 m fiber sensor coil and operates in closed-loop mode. The control and compensation algorithms where implemented in software and are carried out by a single high-speed DSP. The processor also takes care of the communication protocol via a high-speed synchronous serial bus. This single-axis FOG was designed in a modular structure and is the basic building block for the LFK95 system; a low-cost maritime gyrocompass for commercial applications. The system also fulfills serial bus, maritime gyroscompass, modular structure.

Citation Download Citation

Mauricio A. Ribes, Guenter Spahlinger, and Manfred W. Kemmler "0.1-deg/h DSP-controlled fiber optic gyroscope", Proc. SPIE 2837, Fiber Optic Gyros: 20th Anniversary Conference, (12 November 1996); https://doi.org/10.1117/12.258180

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