Development And Testing Of A Relative GPS Based System For Guidance In Precision Approach And Landing On Aircraft Carriers

Manuel Toledo, Juan Carlos Bastante

Abstract:	GMV has carried out the development, installation and testing for the Spanish Navy of a demonstrator system (SAGRAN) for precision approach and landing on the aircraft carrier "Príncipe de Asturias", based on relative GPS techniques. As in an aircraft carrier the flight deck is in motion the DGPS approach is not directly applicable. Instead, relative GPS navigation has been used in this system. Also, due to the flight deck motion, the definition of a reference trajectory to guide the aircraft in the approach maneuver requires the continuous estimation of the attitude of the flight deck. The demonstrator system of GMV uses GPS ambiguity resolution on carrier phase measurements to obtain the deck attitude. Other problems are common to all the differential systems: the multipath effect and to provide the required navigation performances: accuracy, integrity continuity and availability. Special techniques derived from the DGPS monitoring station concept are considered for integrity, as well as DRAIM (Differential Receiver Autonomous Integrity Monitoring). After the description of the architecture of the system and the discussion of all these relevant topics, results from the successful operational tests in real conditions are shown.
Published in:	Proceedings of the 1999 National Technical Meeting of The Institute of Navigation January 25 - 27, 1999 Catamaran Resort Hotel San Diego, CA
Pages:	387 - 398
Cite this article:	Toledo, Manuel, Bastante, Juan Carlos, "Development And Testing Of A Relative GPS Based System For Guidance In Precision Approach And Landing On Aircraft Carriers," Proceedings of the 1999 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 1999, pp. 387-398.
Full Paper:	ION Members/Non-Members: 1 Download Credit Sign In