A distributed scheduler for air traffic flow management |
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Authors: | Steven J Landry Todd Farley Ty Hoang Brian Stein |
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Affiliation: | 1. School of Industrial Engineering, Purdue University, 315 N. Grant St., West Lafayette, IN, 47906, USA 2. NASA Ames Research Center, M/S 210-6, Moffett Field, CA, 94035, USA 3. Methods Corporation, English Creek, NJ, USA
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Abstract: | A system was developed to efficiently schedule aircraft into congested resources over long ranges and present that schedule as a decision support system. The scheduling system consists of a distributed network of independent schedulers, loosely coupled by sharing capacity information. This loose coupling insulates the schedules from uncertainty in long-distance estimations of arrival times, while allowing precise short-term schedules to be constructed. This ??rate profile?? mechanism allows feasible schedules to be produced over long ranges, essentially constructing precise short-range schedules that also ensure that future scheduling problems are solvable while meeting operational constraints. The system was tested operationally and demonstrated reduced airborne delay and improved coordination. |
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