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针对Doppler/SINs组合导航系统在飞行状态下的导航精度较差的问题,提出了利用载体作匀速圆周运动的初始对准方法.该方法可以快速估计出sINs的平台失准角并能提高对平台失准角的估计精度,可以较大幅度地缩小对平台失准角估计的稳态极限值。模拟试验验证了该方法的可行性和有效性,具有较好的工程应用前景。
Aiming at the poor navigation precision of Doppler / SINs integrated navigation system in flight state, an initial alignment method using carrier for uniform circular motion is proposed, which can quickly estimate the platform misalignment angle of sINs and improve the accuracy of the platform The accuracy of the misalignment angle estimation can greatly reduce the steady-state limit of the misalignment estimation of the platform. Simulation tests verify the feasibility and effectiveness of this method and have good engineering application prospects.