付心如;孙伟;徐爱功;丁伟;段顺利;

• 1:辽宁工程技术大学

摘要(Abstract)：

针对组合导航系统的定位精度与稳定性要求不断提高的现状,该文引入一种观测噪声协方差与抗差自适应相结合的Kalman滤波算法。利用新息向量和移动窗口协方差分析法,动态自适应修正观测噪声协方差阵;通过分析基于状态不符值、方差分量的统计量构造的自适应因子所存在的问题,提出一种由预测残差向量构造的自适应因子。仿真结果表明,该方法能够有效抑制观测异常对组合导航定位精度的影响。

关键词(KeyWords)： 组合导航;观测噪声协方差;自适应滤波;抗差

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41304032);; 高等学校博士学科点专项科研基金项目(新教师类)(20132121120005);; 第8批中国博士后科学基金特别资助项目(2015T80265);; 辽宁省自然科学基金项目(2015020078);; 精密工程与工业测量国家测绘地理信息局重点实验室开放基金项目(PF2015-13);; 地球空间环境与大地测量教育部重点实验室开放基金项目(14-01-05)

作者(Authors): 付心如;孙伟;徐爱功;丁伟;段顺利;

DOI: 10.16251/j.cnki.1009-2307.2018.01.002

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