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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

Lexicographic and time minimization in the transportation problem

W. Grabowski
1976 Applicationes Mathematicae  
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.  ...  To solve the problem, a mathematical formulation is proposed, and a metaheuristic solution method based on the genetic algorithm is developed, since the problem belongs to the NP-hard family of problems  ...  (2015) presented allocation optimization for vehicle fleet by using the genetic algorithm.  ... 
doi:10.4064/am-15-2-191-213 fatcat:fedoxdn66zfq7htaewuwt5hfby

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

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.  ...  Their optimization solution revolved around an initial stage based on the petal algorithm known as cluster-first route-second.  ... 
arXiv:2001.05288v1 fatcat:aqmklf5dlbf3hk5wlxh7nzxf7q

Joint ground and air emergency medical services coverage models: A greedy heuristic solution approach

Elif Tokar Erdemir, Rajan Batta, Peter A. Rogerson, Alan Blatt, Marie Flanigan
2010 European Journal of Operational Research  
We propose location coverage models and a greedy heuristic for their solution to simultaneously locate ground and air ambulances, and landing zones (transfer points).  ...  joint coverage of ground and air EMS in which the patient is transferred from an ambulance into an emergency helicopter at a transfer point.  ...  We have now set the stage for presenting the two basic models for joint ground and air ambulance coverage. The first model (in Section 4) is based on LSCP.  ... 
doi:10.1016/j.ejor.2010.05.047 fatcat:clqkdwpklbcxxdq4avfqf5ow5i

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

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.  ...  We describe our work in developing a planning tool which determines an assignment of requests to aircraft that minimizes cost, subject to a range of complicating constraints.  ...  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 cluster-based emergency vehicle routing problem in disaster with reliability

Zahra Gharib, Ali Bozorgi-Amiri, Reza Tavakkoli-Moghaddam, Esmaeil Najafi
2017 Scientia Iranica. International Journal of Science and Technology  
In the first stage, preprocessing of model inputs is done through an artificial neural fuzzy inference system (ANFIS) followed by investigating the safest route for each cluster using of decisionmaking  ...  proposed to obtain the optimal solution and compared their performance through a set of randomly generated test problems.  ...  Mainframe of firefly algorithm One of the active researchers in the field of nature-inspired algorithms for optimization problems was Yang [51] , who developed the first version of the firefly algorithm  ... 
doi:10.24200/sci.2017.4450 fatcat:pfgxnioa2jb7rgfwmzk5xzkumq

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

Relief Aircraft Dispatch Strategies Based on Different Levels of Information Sharing Systems

Qingqi Wang, Terumitsu Hirata
2021 Aerospace (Basel)  
Therefore, in this paper, we proposed different dispatch strategies corresponding to different information sharing levels and utilized the agent-based simulation modeling dynamic system to compare the air  ...  The simulation results demonstrate that the efficiency of relief activities increases as the level of information sharing improves, and different dispatch strategies have an impact on the effect of relief  ...  Moreover, ambulance dispatchers usually consider the change in the spatial distribution of the patients to re-optimize the dispatching and location of ambulances.  ... 
doi:10.3390/aerospace8100306 fatcat:ywtjzxvgbzgordeyomx47wxwiq


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

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

A maximum expected covering problem for locating and dispatching two classes of military medical evacuation air assets

Benjamin C. Grannan, Nathaniel D. Bastian, Laura A. McLay
2014 Optimization Letters  
[13] introduce a two-stage stochastic optimization modeling framework for the medical evacuation (ground and air) of casualties, which identifies optimal casualty evacuation sites and MTF sites in response  ...  The fleet includes two classes of air assets to manage: -U.S.  ... 
doi:10.1007/s11590-014-0819-6 fatcat:6hfpoiw22bh7bgay2k4or2orau

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

Particle Swarm Optimization/Greedy-Search Algorithm for Helicopter Mission Assignment in Disaster Relief

Adriana Andreeva-Mori, Keiji Kobayashi, Masato Shindo
2015 Journal of Aerospace Information Systems  
In the immediate aftermath of a large-scale disaster, optimal helicopter rescue mission assignment is critical to saving many lives.  ...  Japan Aerospace Exploration Agency has been developing a decisionsupport system for aircraft operation in order to promptly plan and execute rescue missions.  ...  Optimal ambulance assignment has also been investigated [10] , but in this case the number of ambulances is scalable to the number of patient notes, whereas in the case of a large-scale disaster the rescue  ... 
doi:10.2514/1.i010362 fatcat:iaob4e6sy5axtbxtjdyre7vjh4
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