Fiber-Optic Gyroscope Accuracy Improvement by Suppressing the Parasitic Effects in Integrated Optic Phase Modulators

被引：4
|
作者：
Kurbatov A.M. [1 ]
Kurbatov R.A. [1 ]
Goryachkin A.M. [1 ]
机构：
[1] Center for Operation of Space Ground Based Infrastructure, Research Institute of Applied Mechanicsnamed after Acad. V.I. Kuznetsov, Moscow
来源：
Gyroscopy and Navigation | 2019年 / 10卷 / 04期
关键词：
closed feedback loop; dead zone; fiber-optic gyroscope; integrated optic phase modulator; phase drift distortions in auxiliary phase modulation; stepped sawtooth voltage distortions;
D O I：
10.1134/S2075108719040114
中图分类号：
学科分类号：
摘要：
Abstract: The results of study of a fiber-optic gyroscope prototype with 0.01–0.001deg/h drift are presented. The gyroscope comprises three feedback loops: one for Sagnac phase difference compensation, the second one for the scale factor stabilization, and the third (fast-response) one for the compensation of constant component of optical signal on the photodetector, affecting the measurement channel. To increase the accuracy of the prototype gyroscope up to the level of 0.001 deg/h, it is proposed to use the fourth and the fifth feedback loops which will suppress the parasitic effects in the integrated optic phase modulators. © 2019, Pleiades Publishing, Ltd.
引用
收藏
页码：256 / 267
页数：11
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