Interferometric Fiber Optic Gyroscope Dead Band Suppression
Interferometric Fiber Optic Gyroscope Dead Band Suppression
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DOI：
10.1143/apex.1.072501
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发表时间：
2008-06
影响因子：
2.3
通讯作者：
Chung J. Chen
中科院分区：
文献类型：
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作者：
Chung J. Chen
消除了闭环式干涉型光纤陀螺(IFOG)在小转速下的死区。通过向相位调制器施加随机化的电压阶跃来抑制引起死区的反馈电压相关误差。建立了理论模型，并与实际测量的死区进行了比较分析。采用该抑制方案的实验结果表明，在0.001°/h的速度下，没有明显的死区。
The dead band at small rotation rate in the closed-loop interferometric fiber optic gyroscope (IFOG) is eliminated. The feedback-voltage dependent error causing the dead band is suppressed by applying a randomized voltage step to the phase modulator. A theoretical model is developed to analyze the error in comparison with the measured dead band. The experimental results with the suppression scheme implemented show no evidence of dead band at the rate of 0.001 deg/h.