捷联式惯性导航仿真研究

Strap-Down Inertial Navigation Simulation Research

捷联式惯性导航因其系统独立、性能稳定、设备简单等特点在军用及民用导航领域上受到青睐。利用惯性导航原理编写捷联式惯性导航程序,对惯性器件进行建模。为了对程序进行测试,结合真实飞行轨迹的方法与数学解析式设计了载体运行的路径及姿态角。利用设定的路径、姿态角与惯性导航算法算出的路径、姿态角进行对比分析主验证导航算法。说明改进算法是一种简单实用的飞行路径生成办法,同时验证了所写的导航算法的正确性。

ABSTRACT：Strap -down inertial navigation because it＇s independent, stable performance, simply equipment, and other characteristics, becomes popular in the field of military and civilian navigation. In this paper, the authors used the principle of inertial navigation to write a strap - down inertial navigation program and model the inertial devices. For testing this program, the real trajectory and mathematical explanation method were combined to design carriers trajectory and attitude angles. We contrasted the set path and angles with the calculated path and angles, and verified the navigation algorithm. The authors found a simple and practical approach to generate flight path, at the same time, verified the correctness of the navigation algorithm.