惯导系统传递对准技术研究现状与展望

Transfer Alignment for Inertial Navigation System:A Review and Future Direction

对惯性导航系统传递对准技术进行了综合评述,回顾了近年来国内外传递对准技术最新的研究进展,并对传递对准技术的未来研究方向进行了展望。首先介绍了传递对准模型和估计方法,并按照基于滤波方法和基于优化方法对现有方法进行了分类;随后讨论了传递对准中的可观测性和可观测度问题,详细地分析了各种方法的优缺点;接着对传递对准中的误差建模以及相应的补偿方法进行了介绍,包括传感器误差、变形误差、杆臂误差和主惯导信息误差;最后,针对传递对准技术还需重点研究的方向给出了建议。

This paper makes a comprehensive survey about transfer alignment technique for inertial navigation system.The latest research progress about transfer alignment is reviewed and the future research directions are prospected.Firstly,the alignment model and estimation method are introduced,and the existing methods are classified according to the filtering-based method and the optimization-based method;Secondly,the observability and observable degree in transfer alignment are discussed,and the advantages and disadvantages of various methods are pointed out;Thirdly,the error modelling and compensation methods in transfer alignment are introduced including sensor error,deformation error,lever arm error and information error of master inertial navigation system;Finally,some suggestions are given for the future research direction of transfer alignment.