ZHANG Yu, ZHANG Baiqiang, SUN Tingting, et al. Optical measuring device for fast alignment of airborne inertial navigation system[J]. 2019, (10): 79-81.
ZHANG Yu, ZHANG Baiqiang, SUN Tingting, et al. Optical measuring device for fast alignment of airborne inertial navigation system[J]. 2019, (10): 79-81. DOI: 10.13873/j.1000-9787(2019)10-0079-03.
辅助机载惯导快速对准的光学测量装置
摘要
机载惯导系统在地面静基座对准需要较长的对准时间
严重影响飞机的出动速度。为辅助机载惯导进行快速、精确的对准
设计了一种通过对飞机上的标志点进行激光测距从而获取航向信息的装置。描述了该测量装置的构成和基本原理
推导了利用该装置测量飞机航向角的测量公式
给出了标定和测量的完整流程。通过仿真实验对测量仪测距误差、俯仰及方位测角误差进行了分析
证明该装置能够满足惯导快速对准的精度需求。
Abstract
Airborne inertial navigation system alignment on ground stationary base requires a long alignment time
which seriously affects departure speed of aircraft.In order to assist the airborne inertial navigation system to align quickly and accurately
a laser ranging device is designed to acquire the heading information by measuring the landmarks on the aircraft.Firstly
the structure and basic principle of the measuring device are described.Then the measurement formula of aircraft heading angle using this device is deduced
and the complete process of calibration and measurement is given.Finally
the ranging error
pitch error and azimuth angle error of the measuring instrument are analyzed by simulation experiment.