极地区域惯性导航的理论与方法

项目名称： 极地区域惯性导航的理论与方法

项目编号： No.61473085

项目类型： 面上项目

立项/批准年度： 2015

项目学科： 自动化技术、计算机技术

项目作者： 徐晓苏

作者单位： 东南大学

项目金额： 80万元

中文摘要： 本项目针对传统导航方法在极地区域的固有缺陷，研究并建立极地区域导航的有关理论并设计提出一种适合极地区域导航的具体实现方法和导航力学编排算法。在深入分析传统惯导方法及其力学编排方案在极地区域工作的机理缺陷基础上，提出一种极地区域横向坐标系的坐标系体系，设计了该体系下惯性导航力学编排，并全面研究和分析了该理论方法的误差特性及其在非极区中的工作性能和误差特性，此外项目从工程实现方面设计了不同导航模式所带来的导航参数转换关系、导航切换的地域判据等理论方法。主要创新点在于：(1)提出并设计了一种极地惯性导航计算的新坐标系，以实现惯导在极地区域和穿越极点是的参数解算，克服现有导航系统的局限性。(2)研究惯性导航系统在新坐标系中的力学编排和误差特性，设计高纬-低纬航行过程中惯导系统在两种坐标系中的编排解算方式以及切换技术，以解决惯导系统的全球导航问题。本项目的研究对我国极地发展战略有着重要的支撑作用。

中文关键词： 惯性导航；极地区域；导航算法

英文摘要： Aiming at the inherent defects of the traditional inertial navigation theory and its mechnical layout in the polar regions, a new theory of the polar regions navigation is established and a scheduling algorithm for a suitable concrete realization is proposed. First, on the basis of an in-depth analysis of the defects of the traditional inertial navigation method on polar regions, a Polar Regions Horizontal Coordinate System(PRHCS) is present, and a new mechanical layout programs is designed also. Then, a comprehensive analysis of the error characteristics of PRHCS, and performance in the non-polar regions are proposed, in addition to the engineering realization, the parameters transformation between different navigation modes, and switching geographical criterion is also studied. The main innovation of the project is that: (1) The newly proposed and designed coordinate system PRHCS can achieve the precise solver of navigation parameters when carrier is across the polar regions by overcoming the limitations of existing navigation systems. (2) The mechanical layout and error characteristics of inertial navigation with PRHCS are studied, a navigation algorithm, transformation and the switching transition process, between two coordinate systems, are also intensively studied, which are significant for the realization of global navigation for inertial navigation system. is designed The research on this project has an important supporting role for the polar regions development strategy in China.

英文关键词： Inertial Navigation;Polar Region;Navigation Algorithm