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Algorithms for Optimizing Fleet Scheduling of Air Ambulances [article]

Joseph Tassone, Salimur Choudhury
2020 arXiv   pre-print
Proper scheduling of air assets can be the difference between life and death for a patient.  ...  For this research, known coordinates of air and health facilities were used in conjunction with a formulated integer linear programming model.  ...  allowed flight time per day; 5 while improvement do 6 for i ← 1 to number of bases do Tabu Search Fleet Scheduling Optimization This algorithm functions as a modification of Algorithm 2, with a near  ... 
arXiv:2002.11710v1 fatcat:urqkvclp2bh3ff4mcifc6olasy

A Novel Application to Optimize Utilization for NonUrgent Air Transfers

Russell D. MacDonald, Mahvareh Ahghari, Laura Walker, Tim A. Carnes, Shane G. Henderson, David B. Shmoys
2014 Air Medical Journal  
Acknowledgements The authors wish to thank the management and staff of the Ornge Communication Centre for this cooperation and collaboration with this novel initiative.  ...  This study examines the implementation of a novel optimization application derived from historical call, aviation, and financial data for scheduled patient transfers in a provincial air ambulance system  ...  Ornge has a variety of aircraft in its fleet and uses a variety of aircraft for scheduled, non-emergent patient transfers.  ... 
doi:10.1016/j.amj.2013.09.004 pmid:24373475 fatcat:thvdyvvgp5gqjm2e56uzlkthzq

Algorithms for Optimizing Fleet Staging of Air Ambulances [article]

Joseph Tassone, Geoffrey Pond, Salimur Choudhury
2020 arXiv   pre-print
In a disaster situation, air ambulance rapid response will often be the determining factor in patient survival.  ...  The local search algorithm proved insufficient for maximizing coverage, while the Tabu search achieved near-optimal results.  ...  [9] developed a simulation for land-based ambulances. For actual optimization, the simulation relied on a genetic algorithm for fleet assignment. Similarly, the work of Zhen et al.  ... 
arXiv:2001.05291v2 fatcat:2qwksv7osjeedleydhvofbtqty

Object-Oriented Mission Modeling for Multiple Transport Aircraft

Jing Zang, Hu Liu, Tianping Liu, Xianping Ni
2013 International Journal of Aeronautical and Space Sciences  
A method of multiple transport-aircraft mission modeling is proposed in order to improve the efficiency of evaluating and optimizing pre-mission plans.  ...  The business model of the flight section is composed of an air route and flight profile with the flight equation and the fuel consumption model.  ...  Acknowledgement The authors wish to thank Ming Tong for support in the development of the software.  ... 
doi:10.5139/ijass.2013.14.3.264 fatcat:txbqupozivgapizettzqnzn4jq

Chapter 7 Transportation on Demand [chapter]

Jean-François Cordeau, Gilbert Laporte, Jean-Yves Potvin, Martin W.P. Savelsbergh
2007 Handbooks in Operations Research and Management Science  
Most of the material in Section 5 is the result of discussions among the members of a project team designing and implementing scheduling technology for air taxi services, consisting of Mo Bazaraa, Marcos  ...  Acknowledgement This work was supported by the Natural Sciences and Engineering Research Council of Canada under grants 227837-00, OGP0039862 and 36662-01. This support is gratefully acknowledged.  ...  An early approach based on this idea is the interactive optimizer described by Cullen et al. (1981) for the case of a homogeneous fleet.  ... 
doi:10.1016/s0927-0507(06)14007-4 fatcat:e6ysvgzl3fajvef2ruggnqrqhi

Trends in Models and Algorithms for Fleet Management

Maurizio Bielli, Alessandro Bielli, Riccardo Rossi
2011 Procedia - Social and Behavioral Sciences  
Mathematical models and computation techniques have been developed for optimizing and simulating the operation of transport fleets in order to serve the customers demand with the objective of cost efficiency  ...  (fire trucks, ambulances, etc.), police cars, commercial delivery vehicles, taxis, courier fleets, etc.  ...  Air transport Another relevant class of fleet management problems concern the air transport and the activities carried out by airline companies.  ... 
doi:10.1016/j.sbspro.2011.08.004 fatcat:7tgw664otbcobbqxlz2iirlehy

Lexicographic and time minimization in the transportation problem

W. Grabowski
1976 Applicationes Mathematicae  
on a scheduling point of view.  ...  A limited number of ground and aerial vehicles, like ambulance and helicopter, are given to be assigned to these sites in which at most one vehicle from each type can be assigned.  ...  (2015) presented allocation optimization for vehicle fleet by using the genetic algorithm.  ... 
doi:10.4064/am-15-2-191-213 fatcat:fedoxdn66zfq7htaewuwt5hfby

Towards Smart Open Dynamic Fleets [chapter]

Holger Billhardt, Alberto Fernández, Marin Lujak, Sascha Ossowski, Vicente Julián, Juan F. De Paz, Josefa Z. Hernández
2016 Lecture Notes in Computer Science  
We present our proposed architecture for open fleet management systems and use the case of taxi services as example of our proposal.  ...  Nowadays, vehicles of modern fleets are endowed with advanced devices that allow the operators of a control center to have global knowledge about fleet status, including existing incidents.  ...  Work partially supported by Spanish Government through the project iHAS (grant TIN2012-36586-C03), the Autonomous Region of Madrid through grant S2013/ICE-3019 ("MOSI-AGIL-CM", co-funded by EU Structural  ... 
doi:10.1007/978-3-319-33509-4_32 fatcat:fwrzreqiifek3bdkt22c2x33hu

An integrated design approach for evaluating the effectiveness and cost of a fleet

Kiran D'Souza, Alparslan Emrah Bayrak, Namwoo Kang, Hui Wang, Berk Altin, Kira Barton, Jack Hu, Panos Papalambros, Bogdan I Epureanu, Richard Gerth
2016 The Journal of Defence Modeling and Simulation: Applications, Methodology, Technology  
The method shows the potential for savings using a modular fleet for a hypothetical fleet mission profile; more work in this area is suggested.  ...  The overall approach is demonstrated on a military fleet composed of two different types of vehicle: a conventional fleet and a fleet composed of modules.  ...  Approved for public release.  ... 
doi:10.1177/1548512916651939 fatcat:yxisaqi23jawvjuhm67pt2rhfm

Mathematical Programming Guides Air-Ambulance Routing at Ornge

Timothy A. Carnes, Shane G. Henderson, David B. Shmoys, Mahvareh Ahghari, Russell D. MacDonald
2013 Interfaces  
Ornge provides air-ambulance services to the Province of Ontario. A major portion of their service involves pre-scheduled transports from one medical facility to another.  ...  The requests are received in advance, scheduled overnight, and typically executed the following day.  ...  See Carnes (2010, Chapter 3) for an approximation algorithm that addresses this question on a stylized model of air-ambulance operations.  ... 
doi:10.1287/inte.2013.0683 fatcat:j6d7rabiu5d65crf5jnf22ctoe

A Comprehensive Survey on the Ambulance Routing and Location Problems [article]

Joseph Tassone, Salimur Choudhury
2020 arXiv   pre-print
In this research, an extensive literature review was performed on the recent developments of the ambulance routing problem (ARP) and ambulance location problem (ALP).  ...  Although alike, a key distinction is emergency service systems (EMS) are considered critical and the optimization of these has become all the more important as a result.  ...  A scheduling algorithm was then generated the specific plan for each mission.  ... 
arXiv:2001.05288v1 fatcat:aqmklf5dlbf3hk5wlxh7nzxf7q

Operations Research (OR) in Service Industries: A Comprehensive Review

Yiting Xing, Ling Li, Zhuming Bi, Marzena Wilamowska-Korsak, Li Zhang
2013 Systems research and behavioral science  
The share of gross domestic product from the service industry reflects the competitiveness of a nation; the service industry in the USA accounts for around 80% of its gross domestic product, and it has  ...  To clarify future research directions of operations research (OR) in the service industry, the state of art of OR has been examined systematically, the new requirements of OR are identified for its applications  ...  Bräysy et al. (2008) presented a deterministic heuristic algorithm to optimize fleet sizes and mixes.  ... 
doi:10.1002/sres.2185 fatcat:bmil4ahow5cmzesh64bjm6fd5y

Combining Optimization and Simulation Using Logic-Based Benders Decomposition [article]

Michael Forbes, Mitchell Harris, Marijn Jansen, Femke van der Schoot, Thomas Taimre
2021 arXiv   pre-print
We propose a new approach -- Branch-and-Simulate -- for integrating simulation into the optimization model itself.  ...  We test the approach on a class of stochastic resource allocation problems with monotonic performance measures, and derive strong Benders cuts which are valid for all problems of this form.  ...  We thank Marko Boon for his help in starting up this research project. We are grateful to René Bekker and Dennis Moeke for sharing a fictional data set.  ... 
arXiv:2107.08390v1 fatcat:757bearjzveptlatuaubqybqo4


2019 2019 8th International Conference on Modeling Simulation and Applied Optimization (ICMSAO)  
Function and Heuristic Algorithm Design of Summer Air-conditioning System Design of Winter Air-conditioning System Design State Space Feedback and Optimal LQR Controllers for Load Frequency in Hydraulic  ...  Fuzzy Set Using Genetic Algorithm Optimization of Transportation Collaborative Robots Fleet Size in Flexible Manufacturing Systems Optimizing a methanol reactor in Aspen Plus Safety Evaluation of Intersections  ... 
doi:10.1109/icmsao.2019.8880446 fatcat:hitkakka4fbw5klyxiqdfnooeq

Logistics for Emergency Medical Service systems

Melanie Reuter-Oppermann, Pieter L. van den Berg, Julie L. Vile
2017 Health Systems  
This paper presents an overview of logistical problems arising for EMS providers, demonstrating how some of these problems are related and intertwined.  ...  For each individual planning problem, a description as well as a concise literature overview of solution approaches considered is given.  ...  They would also like to express their gratitude to each of their University supervisors for their helpful comments and support, as well as each of the ambulance trusts that have actively provided data,  ... 
doi:10.1057/s41306-017-0023-x fatcat:4x4ddq622vbljlx3taarjpsmzu
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