【作者】 奔粤阳； 崔文婷； 高倩倩；

【Author】 Ben Yue-yang;Cui Wen-ting;College of Automation,Harbin Engineering University;

【机构】 哈尔滨工程大学自动化学院；

【摘要】 初始对准技术作为惯性导航系统的关键技术之一,其快速性和精度直接关系到捷联惯导系统的性能,本文设计了一种罗经对准方法,并深入地进行了理论和实验研究。理论上,由捷联式惯导系统误差模型开始,结合罗经对准原理,建立罗经对准数学模型,给出原理框图,并使用梅森公式对罗经对准方法的误差进行分析。最后,针对常值器件误差的的影响,设计仿真实验验证算法并分析器件误差对罗经对准的影响。仿真结果表明了捷联惯导罗经对准的有效性,罗经对准实际误差和理论误差的一致性。更多还原

【Abstract】 Initial alignment is one of the key technologies for INS(inertial navigation system),the capability of the SINS is relate to the speed and precision of initial alignment.The paper designs a better alignment method of gyrocompass and does in-depth theoretical and experimental research.In theory,this paper starts with the error model of SINS,studies deeply for demand of Gyrocompass theory,and builds an initial alignment mathematics model.The paper gives a block diagram of the principle and deeply analyzes the error of gyrocompass-alignment by Mason formula.Finally,for the impact of constant device errors,the design simulation experiment verifies the correctness of the algorithm and parameter selection.Simulation results show that alignment of SINS by gyrocompass is effective,the theoretical error and simulation result’s error is consistent.更多还原