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中文摘要：
针对纬度和方位的地球周期振荡误差降低惯导系统导航定位精度的问题,以实际研制的惯性导航系统为对象,引入三阶方位阻尼网络,采用逐次尝试的方法,设计了多阻尼系数的方位阻尼网络,实现了地球周期振荡误差的阻尼,且能适应于载体的多种机动运动状态;在此基础上采用自动补偿技术减小状态切换过程中的超调误差.通过速度误差计算机比对仿真结果可以看出,全阻尼惯导系统方案能实现地球周期的阻尼,自动补偿技术能实现状态切换的平滑切换.
英文摘要：
The earth cycle oscillation component of latitude and heading error can decrease the accuracy of inertial navigation system.Based on the actual experiment navigation system,this paper covered a three-order damping network and designed an azimuth damping method with a multi-damping coefficient by means of step-by-step attempts.The network can damp the earth cycle oscillation and adapt to various maneuver motions of the carrier by adopting an automatic compensation technique which can decrease the overshooting error during the state switching.The result of the velocity error simulation shows that the multi-azimuth damping project can damp the earth cycle oscillation and the automatic compensation technique can eliminate the switch overshooting effectively.
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