Time-Division Multiplexing Fiber Optic Gyroscope Using New Modulation Method to Improve the Performance

被引：1
|
作者：
Song, Ningfang [1 ]
Yin, Hongliang [1 ]
Yang, Gongliu [1 ]
Ma, Dongying [1 ]
Wang, Lifen [1 ]
机构：
[1] BeiHang Univ, Sch Instrumentat Sci & Optoelect Engn, Beijing 100191, Peoples R China
来源：
SENSOR LETTERS | 2012年 / 10卷 / 07期
关键词：
Modulation Approach; Modulation Error; Three-Axis Digital Closed-Loop FOG; Time-Division Multiplexing (TDM);
D O I：
10.1166/sl.2012.2465
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Time-division multiplexing is a useful modulation approach to miniaturize fiber optic gyroscope (FOG). The structure and the fundamental principle of a three-axis time division multiplexing fiber-optic gyroscope (TDM-FOG) system are presented. A transient process exists during axis switching which causes the gyroscope precision to decline. The modulation error is modeled and analyzed with taking the closed-loop characteristics into consideration. Then the compensation modulation algorithm is described. The simulation and experiment results suggest that the algorithm and implementation is valid.
引用
收藏
页码：1519 / 1522
页数：4
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