单轴光纤陀螺寻北仪四位置寻北误差分析
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摘要
基于光纤陀螺寻北仪误差模型和光纤陀螺的误差特性,从理论上对光纤陀螺寻北仪寻北误差进行了分析,提出寻北仪主要包括系统误差和器件误差两个方面的误差源,并分别对不同误差源引起的寻北误差进行推导,得到光纤陀螺寻北仪寻北精度主要受陀螺零偏漂移、安装误差和转台测角精度决定的结论。对光纤陀螺寻北仪各误差源引起的寻北误差进行仿真实验,在考虑系统误差的条件下,0.01°/h精度的光纤陀螺寻北误差最大可达0.045°,实验结果证明了理论分析的正确性。
Based on the error model of FOG north-seeker and error characteristics of FOG,the north seeking error of FOG north-seeker is analyzed in theory,and the error sources of north-seeker which include system error and device error are put forward.The north seeking error caused by different error sources is deduced as well.It is conduded that the north seeking precision of FOG north-seeker mainly depends on gyro drift,installation error and angle measurement accuracy.Simulation experiment is made on north seeking error caused by various error sources of FOG North-seeker.Considering system error,the north seeking error could be 0.045°when using 0.01°/h FOG.The experimental results show the validity of the theoretical analysis.
Based on the error model of FOG north-seeker and error characteristics of FOG,the north seeking error of FOG north-seeker is analyzed in theory,and the error sources of north-seeker which include system error and device error are put forward.The north seeking error caused by different error sources is deduced as well.It is conduded that the north seeking precision of FOG north-seeker mainly depends on gyro drift,installation error and angle measurement accuracy.Simulation experiment is made on north seeking error caused by various error sources of FOG North-seeker.Considering system error,the north seeking error could be 0.045°when using 0.01°/h FOG.The experimental results show the validity of the theoretical analysis.
引文
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[9]王立冬,王夏宵,张春熹.光纤陀螺寻北仪多位置寻北误差分析[J].压电与声光,2007,29(1):42-44.WANG Li-dong,WANG Xia-xiao,ZHANG Chun-xi.The multi-position north-seeking error analysis of FOG north-seeker[J].Piezoectrics&Acoustooptics,2007,29(1):42-44.
[10]郭喜庆,黄蕾,刘伟.基于FOG零偏稳定性的高精度寻北方案[J].中国惯性技术学报,2009,17(6):268-260.GUO Xi-qing,HUANG Lei,LIU Wei.High precision north determining scheme based on FOG bias stability[J].Journal of Chinese Inertial Technology,2009,17(6):268-260.
[2]谭伟明.基于光纤陀螺的舰载光电系统零值自跟踪稳定方式研究[J].光学与光电技术,2009,7(4):93-96.TANG Wei-ming.Study on auto zero tracking stabilization method of shipborne electro-optical system using fiber optic gyroscopes[J].Optics&Optoelectronic Technology,2009,7(4):93-96.
[3]蒋庆仙,陈晓壁,马小辉,等.单轴光纤陀螺寻北仪[J].中国惯性技术学报,2010,18(2):165-169.JIANG Qing-xian,CHEN Xiao-bi,MA Xiao-hui,et al.North seeker using single axis FOG[J].Journal of Chinese Inertial Technology,2010,18(2):165-169.
[4]高茂林,赵忠,张钧.二位置陀螺寻北仪及转位误差分析[J].计算机测量与控制,2006,14(1):70-71.GAO Mao-lin,ZHAO Zhong,ZHANG Jun.Two-position gyro-based north seeker and error analysis of position transformation[J].Computer Measurement&Control,2006,14(1):70-71.
[5]曹晓平,汪柏年.光纤陀螺及其船用航姿系统的姿态解算[J].光学与光电技术,2003,1(3):30-32.CAO Xiao-ping,WANG Bai-nian.Fiber-optic gyro and its attitude algorithm for ship attitude and heading reference system[J].Optics&Optoelectronic Technology,2003,1(3):30-32.
[6]刘宇波,高立民,赵天宇.光纤陀螺寻北仪误差系统分析[J].红外与激光工程,2007,36(增刊2):570-573.LIU Yu-bo,GAO Li-min,ZHAO Tian-yu.The generally error anal-ysis of FOG north-seeker[J].Infrared and Laser Engi-neering,2007,36(Suppl.2):570-573.
[7]R B Dyott,D E Allen.A fiber optic gyroscope north finder[C].SPIE 1994,2360(10):442-448.
[8]ZHANG Yan,CAO Juliang,WU Wen-qi,et al.The analysis of turntable error and arithmetic design for northfinder based on rate biased RLG[J].Advanced Materials Research,2012,(383-390):6313-6318.
[9]王立冬,王夏宵,张春熹.光纤陀螺寻北仪多位置寻北误差分析[J].压电与声光,2007,29(1):42-44.WANG Li-dong,WANG Xia-xiao,ZHANG Chun-xi.The multi-position north-seeking error analysis of FOG north-seeker[J].Piezoectrics&Acoustooptics,2007,29(1):42-44.
[10]郭喜庆,黄蕾,刘伟.基于FOG零偏稳定性的高精度寻北方案[J].中国惯性技术学报,2009,17(6):268-260.GUO Xi-qing,HUANG Lei,LIU Wei.High precision north determining scheme based on FOG bias stability[J].Journal of Chinese Inertial Technology,2009,17(6):268-260.