Technical ways to improve the precision of closed-loop fiber optic gyros

被引：0
|
作者：
Zhou, SQ [1 ]
Wu, YJ [1 ]
Xia, LQ [1 ]
Peng, Y [1 ]
Sun, RK [1 ]
机构：
[1] Beijing Autocontrol Equipment Inst, Beijing 100074, Peoples R China
来源：
OPTICAL AND FIBER OPTIC SENSOR SYSTEMS | 1998年 / 3555卷
关键词：
fiber optic gyroscope; closed-loop fiber optic gyroscope; fiber optic sensor;
D O I：
10.1117/12.318172
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This report describes the closed-loop fiber optic gyroscope for aircraft strap-down inertial navigation systems. The closed-loop fiber optic gyroscope consists of a super luminescent diode (SLD), a fiber coupler, an integrated optical circuit (IOC), a polarizing fiber optic coil, a photoelectric detector and a signal processing circuit. The report describes several technical ways to improve the precision of the closed-loop fiber optic gyro: by improving properties and stability of the integrated optical circuit (IOC), utilizing a polarizing fiber optic coil using four grade symmetry twining round technology, improving the properties and stability of the light source, and by using a digital signal processing circuit.
引用
收藏
页码：353 / 357
页数：5
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