一种光纤速率陀螺组件系统误差的两级补偿方法  

A Two-Stage Compensation Method For System Error Of Fiber Optic Rate Gyro Component

作　　者：兰洋 车晓蕊 皇甫欢 LAN Yang;CHE Xiaorui;HUANGFU Huan(Shanxi Huayan Aviation Instrument Co.,Ltd.,Xi'an 710000,China)

机构地区：[1]陕西华燕航空仪表有限公司,陕西西安710000

出　　处：《传感器世界》2024年第6期12-19,共8页Sensor World

摘　　要：针对某型光纤速率陀螺组件系统误差复杂、补偿难的问题,提出了一种两级误差补偿方法,实现了系统全温综合误差的补偿。首先,通过理论分析得到了系统误差类型,包括:三轴陀螺不正交、刻度系数、模拟电路误差及刻度系数温度、模拟电路温度误差,并结合试验,分析验证了其误差特性。根据误差特性制定了两级补偿方法,并通过一级补偿了三轴陀螺不正交、刻度系数、模拟电路误差,在此基础上,通过二级补偿了刻度系数温度、模拟电路温度误差。试验表明,该补偿方法能将系统输出精度提高一个数量级,具有一定的工程应用价值。Aim at error complexity and compensation difficulty of certain model fiber optic rate gyro component system error,a method of two-stage compensation is proposed by the paper,the comprehensive error compensation of the temperature is realized.First,the types of the systematic errors are obtained by theoretical analysis,include:non-orthogonal error of triaxial gyro,calibration coefficient error and analog circuit temperature error and calibration coefficient temperature error,analog circuit error.And the error,mention above,characteristics are verified by experimental analysis.According to the result of the error characteristics analysis,a method of two-stage compensation is designed,and non-orthogonal error of triaxial gyro,calibration coefficient error are compensated by first-stage of the method,and analog circuit temperature error and calibration coefficient temperature error are compensated by second-stage of the method.The experiment result shows that the two-stage compensation can improve the output accuracy of system by an order of magnitude,it has certain engineering application value.

关 键 词：光纤速率陀螺组件系统 两级补偿 误差特性 全温范围 

分 类 号：U666.1[交通运输工程—船舶及航道工程]