Towards a Quantitative Assessment of Benefits which INS/GPS Integration can offer to Civil Aviation operating in a non-jamming environment.

R. Johannessen and M.J.A. Asbury

Abstract:	This paper is written to suggest a methodology for assessing the value of particular combinations of INS and GPS, both feeding into a flight management system. The paper considers the complementary nature of GPS and INS sensors and the different levels of integration possible. Those benefits that are of value to civil aviation are then highlighted. The various combinations of INS and GPS sensors are evaluated against a typical Trans-Atlantic profile taking into account certain operational demands and requirements. The paper refers to the distribution of outage durations and compares this with the INS drift rates. Finally the paper discusses the quantification of the performance in terms of the probability that a particular requirement is not met. The substance of the paper is summarised in table 1. It is recognised in the paper that the methodology suggested could be refined. It is nevertheless considered that it has the potential to become the basis for comparing different airborne equipment configurations, and also to identify the extent to which a particular configuration can meet the requirements for Sole Means as well as Supplemental Means navigation.
Published in:	Proceedings of the 1990 National Technical Meeting of The Institute of Navigation January 23 - 25, 1990 Princess Resort Hotel San Diego, CA
Pages:	85 - 94
Cite this article:	Johannessen, R., Asbury, M.J.A., "Towards a Quantitative Assessment of Benefits which INS/GPS Integration can offer to Civil Aviation operating in a non-jamming environment.," Proceedings of the 1990 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 1990, pp. 85-94.
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