665 Hits in 6.6 sec

Flight Network-Based Approach for Integrated Airline Recovery with Cruise Speed Control

Uğur Arıkan, Sinan Gürel, M. Selim Aktürk
2017 Transportation Science  
Finally, we propose methods based on the proposed network representation to control the problem size and to deal with large airline networks.  ...  Airline schedules are generally tight and fragile to disruptions.  ...  Arıkan, Gürel, and Aktürk: Integrated Airline Recovery with Cruise Speed Control Transportation Science, 2017, vol. 51, no. 4, pp. 1259-1287 , © 2017 INFORMS Arıkan, Gürel, and Aktürk: Integrated Airline  ... 
doi:10.1287/trsc.2016.0716 fatcat:4enwczjg5vbrzc5dkhjx2bvjgq

Study on an Airport Gate Reassignment Method and Its Application

Wu Deng, Bo Li, Huimin Zhao
2017 Symmetry  
The flight delay does not only bring a lot of inconvenience to the passengers, but also causes the airlines to suffer economic losses, and seriously threatens the safety of the airport and the airspace  ...  Over the past few decades, a lot of researchers and experts have proposed some methods to solve the problem of flight delays, such as linear programming, genetic algorithm, simulated annealing, particle  ...  [40] proposed a belief propagation-based optimization method for solving task allocation problem. Chen et al.  ... 
doi:10.3390/sym9110258 fatcat:za4al5achzg6vnbopmmrtbsy4y

Anatomy of a Crash [article]

Aude Marzuoli, Emmanuel Boidot, Eric Feron, Paul B.C. van Erp, Alexis Ucko, Alexandre Bayen, Mark Hansen
2014 arXiv   pre-print
The perturbation takes different forms and varies in scale and time frame : cancellations and delays snowball in the airspace, highway traffic near the airport is impacted by congestion in previously never  ...  The end goal is to form the basis for optimization models behind providing more reliable passenger door-to-door journeys.  ...  Acknowledgements The authors would like to acknowledge the European Community under META-CDM, a project supported by 7th Framework Programme, the Dutton-Ducoffe Professorship at the Georgia Institute of  ... 
arXiv:1410.4256v1 fatcat:wv6p4rrh4nc5to3kdg6vop3r44

IEEE Access Special Section: Recent Advances in Fault Diagnosis and Fault-Tolerant Control of Aerospace Engineering Systems

Bing Xiao, Hamid Reza Karimi, Xiang Yu, Qingbin Gao
2020 IEEE Access  
In the article, ''A rapid solving method to large airline disruption problems caused by airports closure,'' by Wu et al. a new and rapid recovery scheduling approach was developed to deal with large dimension  ...  airline disruption problems.  ... 
doi:10.1109/access.2020.2980433 fatcat:56l3dugshvb6xfelfp7tffdbx4

Taxonomy to Guide Systems-of-Systems Decision-Making in Air Transportation Problems

Daniel A. DeLaurentis, William A. Crossley, Muharrem Mane
2011 Journal of Aircraft  
The March 2010 closure of one of the runways at JFK [26] led airlines like Delta Airlines and JetBlue to reduce the number of departures from JFK, stating that they prefer a four-month closure over the  ...  Further, a taxonomy of SOS types is required if we are to eventually define the tools necessary to solve particular sorts of problems.”  ... 
doi:10.2514/1.c031008 fatcat:ddo2qhggfvapphmvdrodxnkmsa

Resilience modeling concepts in transportation systems: a comprehensive review based on mode, and modeling techniques

Shofiq Ahmed, Kakan Dey
2020 Journal of Infrastructure Preservation and Resilience  
The objective of this comprehensive review study was to compile a state-of-the-art understanding of the resilience of the transportation system due to natural and man-made disasters.  ...  This study identified resilience measurement parameters that can be used to formulate resilience quantification and improvement strategies of a transportation system.  ...  ., the lowest resilience) on the fifth day of the disaster due to the closure of multiple airports.  ... 
doi:10.1186/s43065-020-00008-9 fatcat:rzqvdols2ng6hpbkcui3chy7b4

A Counterfactual Framework Based on the Machine Learning Method and Its Application to Measure the Impact of COVID-19 Local Outbreaks on the Chinese Aviation Market

Linfeng Zhang, Hongwu Tang, Lei Bian
2022 Aerospace (Basel)  
This paper proposes measuring the impact of local outbreaks of COVID-19 by the machine learning method and the synthetic control method as a counterfactual control group to measure such an impact.  ...  In this study, we use the LightGBM algorithm to construct a counterfactual control group and transform the prediction problem from time series to the fitting problem at the spatial level.  ...  However, for DID research methods, it is difficult to solve the problem of selective bias in order to solve the problem of selectivity deviation. Abadie et al.  ... 
doi:10.3390/aerospace9050250 fatcat:7x4iplamgvbg5a7c5temy52m7q

The EU Civil Protection Upgrading Needs

Dana Procházková
2013 Information & Security An International Journal  
The results demonstrate a need for individual public assets' protection. The paper includes suggestions on domains for future research to fulfil identified requirements.  ...  Both consist of systems aiming to provide human security, welfare and critical infrastructure protection.  ...  If a crisis has large scale, devastating effects, failures of ICS caused by network effects have to be expected.  ... 
doi:10.11610/isij.2907 fatcat:casw7kdownfgjj6j26ngnwytvm

Modeling Resilience Enhancement Strategies for International Express Logistics

Cheng-Chieh (Frank) Chen, Cheng-Min Feng, Ya-Hsuan Tsai, Pei-Ju Wu
2013 Transportation Research Record  
The studied problem is formulated as a multi-hubs, multi-modes, multi-carriers, and multi-commodities network problem.  ...  Instead of arbitrarily making rush decisions during the post-disruption phase, this paper contributes a method for quantifying and optimizing the resilience strategies based on an integrated resource assignment  ...  The severe disruptions usually cause the transportation system coming to a standstill, for example the regional roads network inaccessible and entire airport closure.  ... 
doi:10.3141/2378-10 fatcat:h2cqleidofckta3mwqfsb47bzq

Decision support tool for predicting aircraft arrival rates from weather forecasts

David A. Smith, Lance Sherry
2008 2008 Integrated Communications, Navigation and Surveillance Conference  
As discussed earlier, LaGuardia is a congested airport. Since the queue is full, any small disruption, weather or otherwise, can cause large arrival delays.  ...  The reliever hub is a strategy to to reassign and optimize airport and airline schedules when experiencing a disruptive disturbance at a major hub airport and still maintain reasonable service.  ... 
doi:10.1109/icnsurv.2008.4559186 fatcat:37a3i3yw6bamfafbcao367qfv4

Investigating the Impact of COVID-19 Disruption on the Decarbonisation Agenda at Airports: Grounded or Ready for Take-Off?

Peter Hemmings, Michael Mulheron, Richard J. Murphy, Matt Prescott
2021 Sustainability  
late 2020 amidst a period of disruption.  ...  by 2050.  ...  Impacts Participants largely agreed that COVID-19 has caused significant short-term disruption to climate mitigation plans and projects-speaking of the need to "shift to the right" or "change the action  ... 
doi:10.3390/su132112235 fatcat:f7sps5wafjgprhfmiygw5h7seu

Methods to Prevent Future Severe Animal Welfare Problems Caused by COVID-19 in the Pork Industry

Temple Grandin
2021 Animals  
., the most severe animal welfare problems caused by COViD-19 were in the pork industry. Thousands of pigs had to be destroyed on the farm due to reduced slaughter capacity caused by ill workers.  ...  A more distributed supply chain with smaller abattoirs would be more robust and less prone to disruption, but the cost of pork would be greater.  ...  Conflicts of Interest: None directly related to this paper. The author does work as a consultant to the livestock industry and for a video auditing company.  ... 
doi:10.3390/ani11030830 pmid:33809412 fatcat:e4vwc5cgrnhdbgrw3jvpv6zibe

The liability of the air carrier for damages and the state of health of the air passenger •

Attila Sipos
2021 Hungarian Journal of Legal Studies  
However, if in the facts of the concrete case a cause and effect relationship exists between the occurrence of the accident and the negligent conduct of the air carrier, the liability of the air carrier  ...  An answer is provided by unfolding the conceptual elements of accident via legal cases.  ...  The court in its ruling obligated the airline to pay a large amount of indemnification.  ... 
doi:10.1556/2052.2020.00002 fatcat:k4a6uddrhbfyrgboseqla7n5fy

Deep Journalism and DeepJournal V1.0: A Data-Driven Deep Learning Approach to Discover Parameters for Transportation

Istiak Ahmad, Fahad Alqurashi, Ehab Abozinadah, Rashid Mehmood
2022 Sustainability  
The broad aim of our work is to investigate the use of ICT technologies for solving pressing problems in smart cities and societies.  ...  We live in a complex world characterised by complex people, complex times, and complex social, technological, economic, and ecological environments.  ...  Acknowledgments: The work carried out in this paper is supported by the HPC Center at the King Abdulaziz University.  ... 
doi:10.3390/su14095711 fatcat:scskg2tn2bcnnoudvpquhe6qdm

Impact of Chinese and European Airspace Constraints on Trajectory Optimization

Judith Rosenow, Gong Chen, Hartmut Fricke, Xiaoqian Sun, Yanjun Wang
2021 Aerospace (Basel)  
Air traffic trajectory optimization is a complex, multidimensional and non-linear optimization problem and requires a firm focus on the essential criteria.  ...  reduced by 255 km in the Chinese airspace and 2.3 km in the European airspace.  ...  In Europe, large airlines (e.g., Lufthansa) act as network carriers by collecting long-haul passengers to hub airports and transporting them in large aircraft.  ... 
doi:10.3390/aerospace8110338 fatcat:pnqcsi7cg5hu5ihn4avr3nko7i
« Previous Showing results 1 — 15 out of 665 results