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Research on SINS/GPS/CNS fault-tolerant integrated navigation system with air data system assistance

机译:航空数据系统辅助的SINS / GPS / CNS容错组合导航系统研究

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The air data assisted SINS/GPS/CNS fault-tolerant integrated navigation system design is proposed in this paper. The scheme combines the information of ADS system with SINS/GPS unit by Kalman filter, and takes advantage of the redundancy of ADS information to offset isolated GPS for fault detection. Improved federal filter is applied to data fusion for achieving optimal estimation of the aircraft. Simulation results demonstrate that the designed fault-tolerant federal filter algorithm can effectively maintain system accuracy and fault tolerance when GPS output is discontinued.
机译:提出了航空数据辅助的SINS / GPS / CNS容错组合导航系统设计。该方案通过卡尔曼滤波器将ADS系统的信息与SINS / GPS单元相结合,并利用ADS信息的冗余性来抵消隔离GPS的故障。改进的联邦滤波器应用于数据融合,以实现飞机的最佳估计。仿真结果表明,所设计的容错联邦滤波算法可以在GPS输出中断时有效地保持系统精度和容错能力。

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