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GPS/SINS Fault Tolerant Integrated Navigation System Based on Pseudo-range and Its' Rate
Author(s): 
Pages: 17-25
Year: Issue:  3
Journal: AEROSPACE CONTROL

Keyword:  全球定位系统捷联惯导系统组合导航;
Abstract: 为了提高组合导航系统的容错性和可靠性,本文采用基于伪距、伪距率的GPS/SINS组合导航系统,详细推导了该组合导航系统的模型,并通过仿真验证了当有效定位卫星数目小于四颗时,该组合方法仍可以利用GPS信息修正SINS的导航误差,满足一定的导航精度需求.并通过可观性分析,说明了不同有效卫星数目对导航精度的影响.
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