Results 211 to 220 of about 7,993 (250)
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A two stage heuristic algorithm for the integrated aircraft and crew schedule recovery problems
Computers and Industrial Engineering, 2015We propose a new heuristic algorithm for the integrated aircraft and crew schedule recovery problem.We propose a new model for the integrated aircraft and flight recovery problem.We propose a new model for the crew schedule recovery problem.Three sets of disruption scenarios are simulated to test algorithms performance.
Chuhang Yu
exaly +4 more sources
Multiobjective Optimization of Airline Crew Roster Recovery Problems Under Disruption Conditions
IEEE Transactions on Systems, Man, and Cybernetics: Systems, 2017This paper proposes an evolutionary approach for optimizing crew roster recovery (CRR) problems, in which rosters for multiday flight duties are reassigned after disruptions, under a set of constraints involving practical management issues, safety regulations, and preallocated activities.
Jyh-Horng Chou
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Solving the airline crew recovery problem by a genetic algorithm with local improvement
Operational Research, 2005Within the complex and dynamic environment of the airline industry, any disturbance to normal operations has dramatic impact, and usually imposes high additional costs. Because of irregular events during day-to-day operations, airline crew schedules are rarely operated as planned in practice.
Suhl Leena
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IEEE Transactions on Smart Grid, 2020 To efficiently restore electricity customers from a large-scale blackout, this paper proposes a novel mixed-integer linear programing (MILP) model for the optimal disaster recovery of power distribution systems. In the proposed recovery scheme, the maintenance crews (MCs) are scheduled to repair damaged components, and the restoration crews (RCs) are ...
, Gang Zhang
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A New Era for Crew Recovery at Continental Airlines
Interfaces, 2003Airlines face schedule disruptions daily because of unexpected events, including inclement weather, aircraft mechanical problems, and crew unavailability. These disruptions can cause flight delays and cancellations. As a result, crews may not be in position to service their remaining scheduled flights.
Gang Yu +4 more
openaire +1 more source
Constraint Programming Method for Crew Schedule Recovery
Applied Mechanics and Materials, 2014Unexpected disruptions such as aircraft failure and airport closure often make the original flight schedule cannot operate regularly and destroy the crew duties. This paper proposed a constraint programming model to solve the crew recovery problem. The total recovery cost was taken as the objective function, temporal-spacial requirements, deadheading ...
Bo Zhu +3 more
exaly +2 more sources
Crew Recovery with Flight Retiming
2009This paper presents a method for the crew recovery problem with the possibility to retime flights to avoid large modifications of the original schedule. In the presented method a new neighborhood search for the crew scheduling problem is embedded in a tabu search scheme. Dynamic programming on leg based networks is used for generation of pairings.
Felix Pottmeyer +2 more
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A Comparison of Recovery Strategies for Crew and Aircraft Schedules
2011On the day of operations delays frequently forces the operations control of an airline to recover resource schedules by mostly expensive recovery actions. Regarding this difficulty robust scheduling deals with the construction of schedules which are less affected by disruptions or provide possibilities for low-cost recovery actions.
Lucian Ionescu +2 more
openaire +1 more source
Simultaneous disruption recovery of a train timetable and crew roster in real time
Computers & Operations Research, 2005zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Cameron G. Walker +2 more
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2013 IEEE International Conference on Systems, Man, and Cybernetics, 2013
This paper addresses the problem of airline reserve crew scheduling for a single hub and spoke network. The proposed method involves a simulation parameter generation phase used to derive probabilities of crew related delay and associated expected delay durations.
Jason Atkin, Geert De Maere
exaly +2 more sources
This paper addresses the problem of airline reserve crew scheduling for a single hub and spoke network. The proposed method involves a simulation parameter generation phase used to derive probabilities of crew related delay and associated expected delay durations.
Jason Atkin, Geert De Maere
exaly +2 more sources