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针对角晃动与线晃动等动态干扰条件下,旋转式捷联惯导系统(Rotary strapdown inertial navigation system,Rotary SINS)难以实现自对准的问题,提出了一种基于惯性系的自对准新算法.首先,基于惯性系下粗对准的结果,推导了双轴转动调制捷联惯导系统的惯性系精对准误差模型;然后,针对观测模型的噪声不确定性问题,通过改变渐消因子阵的嵌入方式,提出了一种改进的多渐消因子自适应Kalman滤波方法.最后,仿真实验证明该方法能够有效解决动态干扰条件下旋转式捷联惯导系统的自对准问题,实现快速自主高精度对准.
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Source :
自动化学报
Year: 2014
Issue: 09
Volume: 40
Page: 2050-2056
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
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