| 光纤陀螺数字闭环控制系统模型实验研究 |
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| 引用本文： | 邬战军,张春熹,王夏霄,张晞. 光纤陀螺数字闭环控制系统模型实验研究[J]. 光子学报, 2007, 36(9): 1582-1586 |
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| 作者姓名： | 邬战军 张春熹 王夏霄 张晞 |
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| 作者单位： | 北京航空航天大学,仪器科学与光电工程学院,北京,100083 |
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| 摘 要： | 数字闭环光纤陀螺的动态性能受控制系统设计的影响.根据光纤陀螺数字闭环检测过程,建立了控制系统的数学模型.为在全频带内对模型进行验证,提出了基于Faraday效应的光纤陀螺频率响应测试方法,对该测试方法与角振动台测试方法的等效性进行了分析.设计了频率响应测试系统,测试范围大于50 kHz,波形失真小于0.1%.实测了采用一阶积分控制算法的数字闭环光纤陀螺频率响应.实验结果表明模型误差小于8%.
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| 关 键 词： | 陀螺仪 光纤 闭环检测 模型 频率响应 测试 |
| 文章编号： | 1004-4213（2007）09-1582-5 |
| 收稿时间： | 2006-05-15 |
| 修稿时间： | 2006-05-14 |
The Experiment Study on Control System Model of Digital Closed-loop Fiber Optic Gyroscope |
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| WU Zhan-jun,ZHANG Chun-xi,WANG Xia-xiao,ZHANG Xi. The Experiment Study on Control System Model of Digital Closed-loop Fiber Optic Gyroscope[J]. Acta Photonica Sinica, 2007, 36(9): 1582-1586 |
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| Authors: | WU Zhan-jun ZHANG Chun-xi WANG Xia-xiao ZHANG Xi |
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| Affiliation: | School of Instrament and Opto-electronic Engineering,Beijing University of Acronautics and Astromautics,Beijing 100083,China |
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| Abstract: | The dynamic performance of digital closed-loop fiber optic gyroscope (FOG) was influenced by control system design.Based on the digital closed-loop detection procedure,the control system model of FOG was established.To verify the model in the whole frequency band,the FOG frequency response testing method was proposed,which is based on the Faraday effect.The equivalence of this method and dynamic test turn table method were analyzed.The frequency response testing system was designed.The testing range was above 50 kHz,and the distortion was less than 0.1%.The frequency response of digital closed-loop FOG was tested,when first order integration control algorithm was used.The experimental result shows that the model error is less than 8%. |
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| Keywords: | Gyroscopes Fiber optics Closed-loop detection Model Frequency response Testing |
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