Link to the University of Pittsburgh Homepage
Link to the University Library System Homepage Link to the Contact Us Form


Treleaven, Kyle B (2008) CONFLICT RESOLUTION AND TRAFFIC COMPLEXITY OF MULTIPLE INTERSECTING FLOWS OF AIRCRAFT. Master's Thesis, University of Pittsburgh. (Unpublished)

Primary Text

Download (424kB) | Preview


This paper proposes a general framework to study conflict resolution for multiple intersecting flows of aircraft in a planar airspace.The conflict resolution problem is decomposed into a sequence of sub-problems each involving only two intersecting flows of aircraft.The strategy for achieving the decomposition is to displace the aircraft flows so that they intersect in pairs, instead of all at once, and so that the resulting conflict zones have no overlap.A conflict zone is defined as a circular area centered at the intersection of a pair of flows which allows aircraft approaching the intersection to resolve conflict completely within the conflict zone, without straying outside.An optimization problem is then formulated to displace the aircraft flows in a way that keeps airspace demand as low as possible.Although this optimization problem is difficult to solve in general due to its non-convex nature, a closed-form solution can be obtained for three intersecting flows.The metric used for the airspace demand is the radius of the smallest circular region (control space) encompassing all of the non-overlapping conflict zones.This radius can also be used as an indication of traffic complexity for multiple intersecting flows of aircraft.It is shown that the growth of the demand for control-space radius is of the fourth order against the number of intersecting flows of aircraft in a symmetric configuration.


Social Networking:
Share |


Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Treleaven, Kyle Bkbt2@pitt.eduKBT2
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairMao, Zhi-Hongmaozh@engr.pitt.eduZHM4
Committee MemberBoston, J. Robertboston@ee.pitt.eduBBN
Committee MemberLoughlin, Patrickloughlin@engr.pitt.eduLOUGHLIN
Date: 30 January 2008
Date Type: Completion
Defense Date: 28 November 2007
Approval Date: 30 January 2008
Submission Date: 9 November 2007
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Electrical Engineering
Degree: MSEE - Master of Science in Electrical Engineering
Thesis Type: Master's Thesis
Refereed: Yes
Uncontrolled Keywords: airspace capacity; complexity; flows of aircraft
Other ID:, etd-11092007-105224
Date Deposited: 10 Nov 2011 20:04
Last Modified: 15 Nov 2016 13:51


Monthly Views for the past 3 years

Plum Analytics

Actions (login required)

View Item View Item