捷联惯导系统快速初始对准方法仿真研究  

The Simulation Study on the SINS Rapid Alignment Technology

作　　者：徐清雷[1] 邓正隆[1] 张传斌[1] 

机构地区：[1]哈尔滨工业大学控制科学与工程系,哈尔滨150001

出　　处：《系统仿真学报》2004年第6期1228-1230,共3页Journal of System Simulation

摘　　要：捷联惯导系统(SINS)静基座初始对准时,由于方位误差角的观测度较低,使对准的时间比较长。为了实现SINS的快速初始对准,在东—北—天坐标系下推导了快速对准方法;采用小波滤波和卡尔曼滤波相结合进行初始对准滤波。仿真结果验证了小波——卡尔曼组合滤波方法的有效性。When the stationary SINS initial alignment is in process, it usually takes rather long time because of low observability of the azimuth misalignment angle. In order to carry on with rapid alignment, the rapid alignment method is derived in the ENξcoordinate system. And a new filtering technology combining wavelet filtering with Kalman filtering is employed. Simulation results show that the new filtering technology is efficient to achieve rapid alignment of stationary SINS.

关 键 词：小波滤波 卡尔曼滤波 捷联惯导系统 快速对准 

分 类 号：TP242.3[自动化与计算机技术—检测技术与自动化装置]