NDLI: A mathematical analysis of conflict prevention information

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A mathematical analysis of conflict prevention information

Content Provider	NASA Technical Reports Server (NTRS)
Author	Maddalon, Jeffrey M. Butler, Ricky W. Munoz, Cesar A. Dowek Sr., Gilles
Copyright Year	2009
Description	In air traffic management, conflict prevention information refers to the guidance maneuvers, which if taken, ensure that an aircraft's path is conflict-free. These guidance maneuvers take the form of changes to track angle or ground speed. Conflict prevention information may be assembled into prevention bands that advise the crew on maneuvers that should not be taken. Unlike conflict resolution systems, which presume that the aircraft already has a conflict, conflict prevention systems show conflicts for any maneuver, giving the pilot confidence that if a maneuver is made, then no near-term conflicts will result. Because near-term conflicts can lead to safety concerns, strong verification of information correctness is required. This paper presents a mathematical framework to analyze the correctness of algorithms that produce conflict prevention information incorporating an arbitrary number of traffic aircraft and with both a near-term and intermediate-term lookahead times. The framework is illustrated with a formally verified algorithm for 2-dimensional track angle prevention bands.
File Size	3610037
Page Count	12
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20090034971
Archival Resource Key	ark:/13960/t1qg3pp6p
Language	English
Publisher Date	2009-09-21
Access Restriction	Open
Subject Keyword	Numerical Analysis Prevention Ground Speed Algorithms Traffic Management Information Systems Safety Information Management Air Traffic Control Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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