不确定条件下基于单个外辐射源的无源导航方法研究

项目名称： 不确定条件下基于单个外辐射源的无源导航方法研究

项目编号： No.61304240

项目类型： 青年科学基金项目

立项/批准年度： 2014

项目学科： 自动化技术、计算机技术

项目作者： 杨晓君

作者单位： 中国人民解放军第二炮兵工程大学

项目金额： 26万元

中文摘要： 以巡航导弹导航为背景，针对卫星辅助导航易被干扰的问题，本项目拟设计一种安全性较高的导航方法，重点研究基于单个调频广播无源导航算法的设计与实现；并着重解决在不确定条件下，因系统解析模型无法获得，而导致的无源导航算法精度降低甚至无法导航的问题。在理论上：①研究基于单个调频广播的无源导航机理，设计基于相位差、相位差变化率和频率变化率的单站无源导航方法；②研究强非线性条件下模糊无源导航算法，提高不确定条件下高非线性系统的导航精度；③研究观测数据异常情况下模糊无源导航算法，给出不确定条件下，观测数据存在奇异值或部分丢失情况下的导航方法。在工程上：验证在巡航导弹机动变轨导致观测数据异常情况下，本项目所提导航方法的有效性。该导航方法不仅提高巡航导弹导航的抗干扰能力，也提高巡航导弹在复杂环境下的导航精度。项目研究成果将拓展传统的无源定位方法，并为复杂战场环境下的导航提供新的思路和技术途径。

中文关键词： 无源导航；模糊滤波；不确定；数据异常；

英文摘要： Under the background of the cruise missile navigation and aiming at the problem that the aided satallite navigation is easily disturbed, a navigation method with high safety will be proposed accordingly. The algorithm focuses on the design and implementation of the passive navigation based on the single frequency modulation (FM) radio. Besides, since the analytical models cannot be obtained under the uncertain condition, which result in the decrease of the navigation precision. The research aims at solveing undermentioned problems. In theory, ①by the single opportunity transmitter, the passive location algorithm based on phase-difference, phase-difference rate of change and frequency rate of change are researched . ②the fuzzy filter algorithm with the high nonlinear system will be studied to improve the precision under the uncertain condition; ③the fuzzy filter algorithm will be analyzed to solve the unusual measurements including singular value or the missing measurement. In engineering: in the process of the cruise missle maneuvering, the fuzzy passive navigation algorithm is checked under the unusual measurements. The new navigation not only improves the anti-interference ability of the cruise missile navigation, but also enhances the navigation precision of cruise missile. The research project will expand t

英文关键词： Passive navigation；Fuzzy filter；Uncertainty；Unusual measurement；