光纤陀螺仪温度补偿模型研究

Q4 Physics and Astronomy

光学技术 Pub Date : 2014-01-01 DOI:10.3788/gxjs20144006.0492

Xue Chenx

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引用次数: 1

摘要

从理论上分析了舒普效应的误差模型，光纤线圈的径向温度水平会产生光纤陀螺的零偏漂移。设计并完成了测量环境温度对光纤温度影响的实验，环境温度变化率与舒普效应误差之间存在线性关系。在此基础上，设计了温度变化条件下光纤陀螺输出的测量实验，采用一阶、二阶和三阶模型对陀螺输出趋势进行了建模。对陀螺输出的原始数据进行了补偿，验证了得到的温度模型，在相同条件下设置了不同的温度曲线。结果表明，采用一阶温度变化模型能最准确地反映舒普效应引起的误差值，与二阶和三阶模型相比，更简单、更稳定，具有良好的补偿效果，这与理论分析的结论也是一致的。

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Temperature compensation model research on fiber optic gyroscope

The error model of Shupe effect is analysed theoretically,the radial temperature levels of fiber coil will produce the zero bias drift of FOG.The experiment to measure the effect of the ambient temperature on the temperature of the fiber is designed and completed,there is a linear relationship between the change rate of ambient temperature and the error of Shupe effect.Based on the analysis,the experiment to measure the FOG output is designed under the conditions of temperature changing,the gyro output trend is modelled using the first-order、second-order and third-order.The raw data of the gyro output are compensated,the obtained temperature model is verified to set the different temperature curve under the same conditions.The result shows that using the first-order model of temperature changing the error value caused by Shupe effect can be most accurately reflected,comparing with the second-order and third-order model,it is more simple and more stable,and has good compensation effect,and this is also consistent with the conclusions of the theoretical analysis.

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来源期刊

光学技术 Physics and Astronomy-Atomic and Molecular Physics, and Optics

CiteScore

0.60

自引率

0.00%

发文量

6699

期刊介绍： The predecessor of Optical Technology was Optical Technology, which was founded in 1975. At that time, the Fifth Ministry of Machine Building entrusted the School of Optoelectronics of Beijing Institute of Technology to publish the journal, and it was officially approved by the State Administration of Press, Publication, Radio, Film and Television for external distribution. From 1975 to 1979, the magazine was named Optical Technology, a quarterly with 4 issues per year; from 1980 to the present, the magazine is named Optical Technology, a bimonthly with 6 issues per year, published on the 20th of odd months. The publication policy is: to serve the national economic construction, implement the development of the national economy, serve production and scientific research, and implement the publication policy of "letting a hundred flowers bloom and a hundred schools of thought contend".