| 区间平滑在船用INS/GPS姿态组合导航系统事后评估中的应用 |
| |
| 引用本文： | 陈俊杰,信冠杰,王战军,严航.区间平滑在船用INS/GPS姿态组合导航系统事后评估中的应用[J].船电技术,2010,30(10):53-57. |
| |
| 作者姓名： | 陈俊杰 信冠杰 王战军 严航 |
| |
| 作者单位： | 海军92323部队,青岛,266000;海军工程大学导航工程系,武汉,430033;华中科技大学电子信息工程系,武汉,430074 |
| |
| 摘 要： | 组合导航系统事后区间平滑算法处理数据精度较在线滤波算法高,通常以经过事后处理的惯导状态信息作参考,对中低精度的舰船导航设备工作性能进行评估。在以速度、位置作为观测量的INS/GPS量测方程的基础上,增加姿态外部修正信息,采用固定区间平滑算法进行处理得出高精度的评估数据,进而分析舰船导航设备的数据输出精度。仿真分析结果表明,增加姿态信息并结合固定区间最优平滑算法的处理方法,可以使系统的姿态测量精度获得大幅度提高,并能克服最优滤波对平台误差角初期估计精度低的缺点,可以作为一种评估舰船导航设备工作性能的事后分析方法。
|
| 关 键 词： | 组合导航 卡尔曼滤波 固定区间平滑 姿态校正 事后评估 |
Post-assessment Algorithm of INS/GPS with Attitude Correction Integrated Navigation System Based on Interval Smoothing |
| |
| Chen Junjie,Xin Guanjie,Wang Zhanjun,Yan Hang.Post-assessment Algorithm of INS/GPS with Attitude Correction Integrated Navigation System Based on Interval Smoothing[J].Marine Electric & Electronic Technology,2010,30(10):53-57. |
| |
| Authors: | Chen Junjie Xin Guanjie Wang Zhanjun Yan Hang |
| |
| Institution: | Chen Junjie1,Xin Guanjie2,Wang Zhanjun 1,Yan Hang3 (1.Navy 92323 Group,Qingdao 266000,China,2.Department of Navigation Engineering,Naval University of Engineering,Wuhan 430033,3.Department of Electronics and Information Engineering,Huazhong University of Science and Technology,Wuhan 430074,China) |
| |
| Abstract: | The precision of Post-Assessment of interval smoothing algorithm is higher than that of real-time Kalman filter in the integrated navigation system.The processing result can provide a reference in assessing running parameters of navigation equipment of vessel.Based on INS/GPS observable equation of speed and position,attitude information is added as INS external correction information.The data is processed by fixed-interval smoothing algorithm.The simulation results show that the measurement accuracy of att... |
| |
| Keywords: | fixed-interval optimal smoothing Kalman filtering attitude adjustment integrated navigation system Post-Assessment |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
