棱镜式激光陀螺光路-温度特性分析及零偏补偿
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- 英文论文题名：Analysis on optical-path temperature characteristic and bias compensation for prism laser gyroscope
- 论文作者：陶渊博 ; 任建新 ; 李四海
- 英文论文作者：TAO Yuan-bo ; REN Jian-xin ; LI Si-hai ; School of Automation Control ; Northwestern Poly technical university ; Xi'an North JIERUI Opto-Electronics Technology Ltd.
- 年：2016
- 作者机构：西北工业大学自动化学院;西安北方捷瑞光电科技有限公司;
- 论文关键词：全反射棱镜 ; 激光陀螺 ; 光路 ; 温度检测点 ; 零偏补偿
- 英文论文关键词：total reflection prism ; laser gyro ; optical path ; temperature measuring point ; zero bias compensation
- 会议召开时间：2016-09-27
- 会议录名称：2016年光学陀螺及系统技术发展与应用研讨会论文集
- 语种：中文
- 分类号：TN96
- 学会代码：ZGGZ
- 会议名称：2016年光学陀螺及系统技术发展与应用研讨会
- 会议地点：中国江西九江
- 主办单位：中国惯性技术学会
- 学会名称：中国惯性技术学会
- 页数：5
- 文件大小：900k
- 原文格式：D
- 会议级别：全国
摘要
温度补偿是提高激光陀螺零偏稳定性的有效方法。而全反射棱镜式环形激光器(TRPRL)的光路与反射镜式环形激光器的光路不同,有相当长的光路是在棱镜中通过,因此其光路-温度特性具有特殊性。利用红外线热像仪所得的图像,分析了TRPRL谐振腔的温度场分布;并根据介质折射率变化时谐振腔内光学元件的变换矩阵及光路的偏转模型等理论,研究了TRPRL谐振腔各部分的光路与温度的关系。并在此基础上,选择出对陀螺零偏影响较大的四个温度检测点。在-40℃~70℃循环试验获得的大量数据基础上,采用二阶零偏温度模型对数据进行处理和补偿,其结果验证了所选温度检测点的合理性并优选出补偿效果最好的两个温度检测点。补偿结果表明,变温下零偏稳定性提高65%以上。
Temperature compensation is an effective method to improve the bias stability of laser gyro. And the optical path of the total reflection prism ring laser(TRPRL) is different from reflector ring laser's optical path, quite long optical path is through the prism, so the characteristic between optical path and temperature is special. using image infrared thermograph obtained, analyse the temperature field distribution of TRPRL resonant cavity; according to the theory of optical element's transform matrix and optical path's deflection model in resonant cavity when the medium refractive change, study the relationship between the all optical path in resonant cavity and temperature. And on this basis, select four temperature measuring points that have an effect on gyro's bias. At the basis of-40 to 70 deg cycle test and get a lot of data, deal and compensate the data using bias temperature model of second order. The results verify the rationality of selecting temperature points and prefer the two temperature point that has a best effect of compensation. Compensating results show bias stability is improved by more than 65% in the condition of variable temperature.
Temperature compensation is an effective method to improve the bias stability of laser gyro. And the optical path of the total reflection prism ring laser(TRPRL) is different from reflector ring laser's optical path, quite long optical path is through the prism, so the characteristic between optical path and temperature is special. using image infrared thermograph obtained, analyse the temperature field distribution of TRPRL resonant cavity; according to the theory of optical element's transform matrix and optical path's deflection model in resonant cavity when the medium refractive change, study the relationship between the all optical path in resonant cavity and temperature. And on this basis, select four temperature measuring points that have an effect on gyro's bias. At the basis of-40 to 70 deg cycle test and get a lot of data, deal and compensate the data using bias temperature model of second order. The results verify the rationality of selecting temperature points and prefer the two temperature point that has a best effect of compensation. Compensating results show bias stability is improved by more than 65% in the condition of variable temperature.
引文
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[2]安倩.全反射棱镜式激光陀螺误差特性仿真研究[D].西安:西安电子科技大学,2012:8-11.An Qian.Study on error characteristics simulation of the total reflection prism laser gyroscope[D].Xi’an:Xidian University,2012:8-11.
[3]赵东洋,石顺祥,李家立.全反射棱镜式环形激光器的温度效应[J].光子学报,2006.35(11):1627-1631.Zhao Dong-yang,Shi Shun-xiang,Li Jia-li.Temperature effect of ring laser with total reflection prisms[J].Acta Photonica Sinica,2006,35(11):1627-1631.
[4]Sun Hongwei,Fang Jiancheng,Li Jianli.Temperature errors modeling for micro inertial measurement unit using multiple regression method[C]//Proceedings of the International Symposium on Intelligent Information Systems and Applications.Qingdao,China,2009:411-415.
[5]Wu G,Gu Q.Thermal characteristics and thermal compensation of four frequency ring laser gyro[C]//IEEE Position Location and Navigation Symposium,2002:271-276.
[6]Wang Kedong,Li Yong,Rizos C.The effect of the temperature-correlated error of inertial MEMS sensors on the integration of GPS/INS[C]//IGNSS Symposium Australia,2009.
[7]毛奔,林玉荣.惯性器件测试与建模[M].哈尔滨:哈尔滨工程大学出版社,2009:80-99.Mao Ben,Lin Yurong.Testing and modeling of inertial device[M].Harbin:Harbin Engineering University Press,2009:80-99.
[8]潘献飞,杨杰,吴美平.复杂温变环境下的激光陀螺零偏补偿方法[J].中国惯性技术学报,2010,19(2):234-237.Pan Xianfei,Yang Jie,Wu Meiping.RLG bias compensation method in complex temperature variation environment[J].Journal of Chinese Inertial Technology,2011,19(2):234-237.
[9]赵小宁,李县洛,雷宝权.激光陀螺零偏温度补偿研究[J].中国惯性技术学报,2004,12(3):55-57.Zhao Xiaoning,Li Xianluo,Lei Baoquan.Temperature Compensation for ring laser gyro[J].Journal of Chinese Inertial Technology,2004,12(3):55-57.
[10]张鹏飞,王宇,汤建勋.机抖激光陀螺多温度点实时温度补偿方法的研究[J].兵工学报,2010,31(5):562-566.Zhang Pengfei,Wang Yu,Tang Jianxun.Research on Methods for Compensating Temperature of Mechanically Dithered RLG[J].Acta Armamentar,2010,31(5):562-566.