| 光纤陀螺漂移的数据分析及建模 |
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| 引用本文： | 缪玲娟,张方生,沈军,刘伟. 光纤陀螺漂移的数据分析及建模[J]. 北京理工大学学报(英文版), 2002, 11(1): 50-55. DOI: 10.3969/j.issn.1004-0579.2002.01.012 |
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| 作者姓名： | 缪玲娟 张方生 沈军 刘伟 |
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| 作者单位： | 北京理工大学,自动控制系,北京,100081 |
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| 基金项目： | theMinisterialLevelAdvancedResearchFoundation |
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| 摘 要： | 设计了应用于陆用捷联惯导系统中的干涉式光纤陀螺(IFOG)的数据采集系统,对IFOG进行了测试,给出了测试曲线.采用Allan方差法对IFOG的测试数据进行了分析,辨识出了各项随机误差系数.此外,采用时间序列分析方法,建立了IFOG的随机漂移误差模型.所得结论为改进IFOG设计及实际应用中对IFOG的误差补偿奠定了基础.
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| 关 键 词： | 光纤陀螺 随机漂移 Allan方差 建模 |
| 收稿时间： | 2001-06-20 |
Data Analysis and Modeling of Fiber Optic Gyroscope Drift |
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| MIAO Ling juan,ZHANG Fang sheng,SHEN Jun and LIU Wei. Data Analysis and Modeling of Fiber Optic Gyroscope Drift[J]. Journal of Beijing Institute of Technology, 2002, 11(1): 50-55. DOI: 10.3969/j.issn.1004-0579.2002.01.012 |
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| Authors: | MIAO Ling juan ZHANG Fang sheng SHEN Jun LIU Wei |
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| Affiliation: | Department of Automatic Control, Beijing Institute of Technology, Beijing100081, China;Department of Automatic Control, Beijing Institute of Technology, Beijing100081, China;Department of Automatic Control, Beijing Institute of Technology, Beijing100081, China;Department of Automatic Control, Beijing Institute of Technology, Beijing100081, China |
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| Abstract: | A data gathering system is designed for the interferometric fiber optic gyroscope (IFOG) of land strapdown inertial system. IFOG is tested and the testing curve is given. The test data of IFOG are analyzed with Allan variance method and each error coefficient is identified. Furthermore, a random drift error model for IFOG is built by the method of time series analysis. The conclusion provides supports for improving IFOG design and compensating for errors of IFOG in practice. |
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| Keywords: | fiber optic gyroscope random drift Allan variance modeling |
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