A Calculating Method for the Fault Detection and Exclusion in the WAAS

Abstract:

A calculating method for the fault detection and exclusion (FDE) played a very important role in the Wide Area Augmentation System (WAAS). When the WAAS was not available, the algorithm of the FDE could provide the monitoring information for the navigation position solution. Moreover it could autonomously provide the integrity monitoring for the position solution in the complicated situation. It had a capability to detect and prevent a positioning failure which affected the navigation. The goal of the work presented in this paper was to develop an appropriately optimum evaluation of estimation methodology for assessing the integrity risk in the WAAS, which was that the Chebyshev law of large number combined with the Kalman filter. The algorithm could provide more precise integrity parameters of the satellite ephemeris error and clock error, which the method is more suitable at the master station for engineering application about the satellite.

• Periodical: Applied Mechanics and Materials (Volumes 409-410)
• Pages: 1649-1652
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.409-410.1649
• Online since: September 2013
• Authors: Rui Bin Zhao, Rui Li, Zhi Gang Huang, Bo Shao
• Keywords: Calculating Method, FDE, Satellite Navigation, UDRE, WAAS

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