高动态SINS/GPS超紧耦合组合导航系统的反馈式多目标信息融合理论研究

项目名称： 高动态SINS/GPS超紧耦合组合导航系统的反馈式多目标信息融合理论研究

项目编号： No.61272020

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 自动化技术、计算机技术

项目作者： 马龙华

作者单位： 浙江大学宁波理工学院

项目金额： 62万元

中文摘要： 在军事航空航天领域和车辆等民用领域，高动态的SINS/GPS超紧耦合组合导航系统是组合导航领域的研究热点，有重要的研究意义和高端研究价值。本项目主要研究高动态条件下SINS/GPS超紧耦合组合导航系统的多源信息融合问题，包括：以信噪比和延时误差为目标,积分及清零时间为优化变量的双目标动态优化策略，结合小波变换实现高动态环境GPS信号的可靠获取；结合固有的融合信息反馈和交叉性，提出一种基于粒子滤波的高动态SINS/GPS超紧耦合组合导航系统反馈式多目标信息融合策略；研究基于FPGA平台的高动态SINS/GPS超紧耦合组合导航系统高可信并行计算实现，并进行试验验证。本研究对增强组合导航系统对GPS信号的跟踪锁定能力, 提高组合导航的鲁棒性、跟踪能力和导航精度，对高动态GPS / SINS超紧耦合组合导航的工程实现提供理论指导。

中文关键词： 组合导航系统；卫星导航；惯性导航；超紧耦合；信息融合

英文摘要： In military aviation and aerospace and vehicle civilian areas, the ultra-tightly coupled integrated navigation system in high dynamic is hot spots of the GPS / INS integrated navigation, there are important research significance and significant research value.This project is mainly on multi-source information fusion of SINS / GPS ultra-tightly coupled integrated navigation system in high dynamic conditions,include: Reliable access issues to achieve the GPS signal in high dynamic environment based on Wavelet transform and dynamic multiobjective of Integral and cleared time with the objects of SNR and the delay error;Combined with the inherent integration of feedback and cross, to put forward an multi-objective information fusion strategy with feedback based on particle filter in high dynamic environment for the ultra-tightly coupled integrated navigation system;The study of ultra-high dependability of parallel computing based on the FPGA platform for high dynamic SINS / GPS tightly coupled integrated navigation system, and experimental verification.This study will provide theoretical guidance of high dynamic GPS / SINS ultra-tightly coupled combination navigation realization which Enhance GPS signal tracking lock capacity of the integrated navigation system and improve the robustness, tracking and navigation ac

英文关键词： integrated navigation system；GPS；inertial navigation；ultra-tight coupled；Information fusion