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Springer, Berlin, Heidelberg

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10.1016/0002-9378(82)90775-x

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Research on Multi Satellite Failure Detection and

Authors: Zhixin Deng Jun Li Mengjiang Liu
Publish Date: 2015
Volume: , Issue: , Pages: 77-89
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Abstract

Satellite Navigation Receiver Autonomous Integrity Monitoring RAIM is developed for detection and recognition of satellite faults using the redundant observation values of receiver itself This article first makes a comparative analysis to the conventional and recently proposed RAIM fault detection and identification methods and then points out that the conventional fault identification methods have such weakness as low fault detection probability and high false alarm probability in the situation of simultaneous multiple faulty satellites while the recently proposed multisatellite fault identification methods require excessive computation work though enjoy a higher detection probability To solve these problems a new RAIM multiple satellite fault detection and recognition method is proposed in this paper which is characterized by high detection probability low false alarm probability and low computation load practicable for project implementation Based on a simulation analysis it turns out that this method has a higher detection probability without false alarm at all This method requires so low computation work that it only needs 2 m times of least squares residuals fault detection and m times of fault identification in m m  0 faulty satellites situation showing a very promising application valueFunding information This paper was funded by the Research and Development of Simulation Test System for Multimode Navigation Service Quality Monitoring 2012AA1218 01 project which was among the 863 Hitech Projects of the 12th China National FiveYear Plan


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