基于多位置测量的绝对寻北方法  

Absolute North Seeking Method Based on Multi- position Measurement

作　　者：蒋庆仙[1,2] 白云超[1,2] 段渭超 

机构地区：[1]西安测绘研究所,陕西西安710054 [2]地理信息工程国家重点实验室,陕西西安710054

出　　处：《测绘科学与工程》2015年第5期53-56,63,共5页Geomatics Science and Engineering

基　　金：国家自然科学基金资助项目（41374003）.

摘　　要：仪器常数是陀螺寻北仪的一个重要技术指标，它的稳定性严重影响寻北结果的精度和可靠性。为了提高陀螺寻北仪的稳定性，从寻北原理上探索消除仪器常数的方法，使陀螺寻北仪在使用中无需进行仪器常数的标定，本文介绍了基于多位置测量的绝对寻北原理，推导了方位角解算公式和误差模型，设计了挠性陀螺绝对寻北方案，以期为研制实现绝对测量的陀螺寻北仪提供理论依据。Instrument constant is an important index of the gyro north seeker, and its stability has a great influence on the accuracy and reliability of orientation result. In order to improve the stability of gyro north seeker, the authors attempt to explore effective methods to eliminate instrument constant in principle and make constant calibration unnecessary in practical use. In this paper, the absolute north seeking principle based on multi -position measurement is introduced, azimuth calculation formula and error model are deduced, and the scheme based on flexible gyro is designed. The study will provide theoretical reference for developing gyro north seeker with absolute t function

关 键 词：陀螺寻北仪 仪器常数 绝对寻北 多位置测量 

分 类 号：U666.1[交通运输工程—船舶及航道工程]