严格逆向过程的罗经回溯对准方法  

Backtracking scheme for alignment with strict reverse process based on compass

作　　者：李京书[1] 许江宁[1] 何泓洋[1] 查峰[1] 

机构地区：[1]海军工程大学电气与信息工程学院,湖北武汉430033

出　　处：《系统工程与电子技术》2014年第2期348-353,共6页Systems Engineering and Electronics

基　　金：国家自然科学基金(61104184);国家重点科学仪器开发专项(2011YQ12004502);总装备部预研基金;航空科学基金(20120816);海军"十二五"预研项目资助课题

摘　　要：针对逆向导航技术在实际导航中的应用,通过对逆向导航的迭代过程研究,提出了一种基于罗经法对准的严格正逆向迭代对准。所提方法在收敛速度和对准精度上具有一定优势,并从计算量的角度讨论了算法的实用性和可行性,在一定程度上兼顾了对准精度和快速性,对惯导设备的快速反应能力具有重要的现实意义。通过实测数据对所提算法的有效性进行了验证,同时使用不同数据段对准和不同初始姿态下的对准进一步展示了算法的一般性。According to the application of reverse navigation technology in actual navigation, a backtracking scheme for alignment with strict reverse iteration is proposed based on the research on the iterative process of re- verse navigation. The proposed method has advantages in convergence speed and alignment accuracy compared with traditional methods. The practicability and maneuverability are discussed in view of the computational ca- pacity. Both accuracy and quickness are considered in certain extent. The proposed method has important prac tical significance for the quick reaction capability. The effectiveness of the method is verified by the actual data. The general applicability is verified by the alignment in different data and different initial attitudes.

关 键 词：回溯法 迭代 惯性导航 初始对准 

分 类 号：U666.1[交通运输工程—船舶及航道工程]