Use of Inertial Reference Data to Support Differential GPS For Carrier Landing

C. P. Bruner and Ray W. Breslau

Abstract:	The JPALS program requires the use of inertial reference data to supplement the differential GPS data to obtain the required system accuracies. Originally, the first JPALS development system utilized a CAINS II Inertial Navigation System which is installed in many Navy aircraft such as the F-18. As the JPALS system requirements have solidified, resulting from ground and at-sea testing, it has become apparent that, although the CAINS II far surpasses its performance specifications, some standard output parameters were not designed to meet the shipboard JPALS requirements. Many of these insufficiencies could have been handled by re-scaling outputs but a few required data not normally provided by the CAINS II. It was determined that the F-18 EGI would be a more appropriate system to modify to obtain the required inertial outputs. The JPALS system requirements and the modifications to the EGI software are described in this paper.
Published in:	Proceedings of the 57th Annual Meeting of The Institute of Navigation (2001) June 11 - 13, 2001 Albuquerque, NM
Pages:	863 - 871
Cite this article:	Bruner, C. P., Breslau, Ray W., "Use of Inertial Reference Data to Support Differential GPS For Carrier Landing," Proceedings of the 57th Annual Meeting of The Institute of Navigation (2001), Albuquerque, NM, June 2001, pp. 863-871.
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