干涉型光纤陀螺温度漂移建模与实时补偿

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (6): 1449-1454.

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Temperature Drift Modeling and Realtime Compensation ofInterferometric Fiber Optic Gyroscope

Jin Jing,Song Ningfang,Li Lijing

School of Instrument Science and Opto electronics Engineering, Beijing University ofAeronautics and Astronautics

Received:2007-01-12 Revised:2007-06-04 Online:2007-12-15 Published:2007-12-15
Contact: Jin Jing

Abstract

Abstract:

Influencing factors on the temperature drift of interferometric fiber optic gyroscope (IFOG) are analyzed. A distributed model of the temperature drift of IFOG is formulated by establishing the linear correlation between temperature and parameters of IFOG model. The temperature experiments with the 0.25,0.75,1.00 ℃/min rates of temperature change are designed to improve the temperature model adaptability of IFOG, and a discrete wavelet transform is used to extract the trend items from the temperature data and IFOG data of the experiments.

Key words: fiber , optic , gyroscope, , parameter , estimation, , modeling, , temperature , drift, , digit , filter

CLC Number:

V241.5+9

Jin Jing;Song Ningfang;Li Lijing. Temperature Drift Modeling and Realtime Compensation ofInterferometric Fiber Optic Gyroscope[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(6): 1449-1454.

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Temperature Drift Modeling and Realtime Compensation ofInterferometric Fiber Optic Gyroscope

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