一种新的捷联矩阵更新算法在无陀螺捷联惯导系统中的应用  

Application of a New Strapdown Matrix Update Algorithm Based on GyroscopeFree Strapdown Inertial Navigation System

作　　者：赵龙[1] 史震[1] 马澍田[1] 

机构地区：[1]哈尔滨工程大学自动化学院,黑龙江哈尔滨150001

出　　处：《中国惯性技术学报》2000年第4期51-54,共4页Journal of Chinese Inertial Technology

摘　　要：本文为改进无陀螺捷联惯导系统解算的实时性 ,引入一种姿态阵更新的算法 ,并和常用的四阶 -龙格库塔法进行仿真比较 ,其结果是在不影响其精度的情况下 ,新算法的计算量和计算机时都有明显的减少。This paper derives a new algorithm on attitude matrix renew in order to modifiey the real time capacity of gyroscopefree strapdown inertial navigation system,and compare it with ode 4 RungeKutta.The result shows that the calculation quantity and calculation time are evidently reduced without impacting its precision.This conclusion is helpful for improving the algorithm of the gyroscopefree strapdown inertial navigation system and choosing the calculation period.

关 键 词：无陀螺捷联惯导系统 系统仿真 捷联矩阵更新算法 

分 类 号：TN966[电子电信—信号与信息处理] V249.322[电子电信—信息与通信工程]