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Building a Private Bitcoin-Based Payment Network Among Electric Vehicles and Charging Stations
Enes Erdin;Mumin Cebe;Kemal Akkaya;Senay Solak;Eyuphan Bulut;Selcuk Uluagac
Mass penetration and market dominance of Electric Vehicles (EVs) are expected in the upcoming years. Due to their frequent charging needs, not only public and private charging stations are being built, but also V2V charging options are considered. This forms a charging network with various suppliers and EV customers which can communicate to schedule charging operations. While an app can be designe...Show More
Cybersecurity investment optimization with risk: Insights for resource allocation
2015 International Conference on Industrial Engineering and Operations Management (IEOM)
Year: 2015 | Conference Paper |
Cited by: Papers (1)
Cybersecurity has become a key factor determining the success of business operations who relies on the functioning of information systems. Hence, the effecient investment on cybersecurity is an important financial and operaional decision. We propose a modeling framework that incorporates major components relevant to cybersecurity practice, and study the characteristics of optimal cybersecurity inv...Show More
Formulation of Reduced-Taskload Optimization Models for Conflict Resolution
Adan Vela;Karen M. Feigh;Senay Solak;William Singhose;John-Paul Clarke
This paper explores methods to include aspects of controller taskload into conflict-resolution programs through a parametric approach. We are motivated by the desire to create conflict-resolution decision-support tools that operate within a human-in-the-loop control architecture by actively accounting for, and moderating, controller taskload. Specifically, we introduce two conflict-resolution prog...Show More
Near Real-Time Fuel-Optimal En Route Conflict Resolution
Adan E. Vela;Senay Solak;John-Paul B. Clarke;William E. Singhose;Earl R. Barnes;Ellis L. Johnson
In this paper, we consider the air-traffic conflict-resolution problem and develop an optimization model to identify the required heading and speed changes of aircraft to avoid conflict such that fuel costs are minimized. Nonconvex fuel functions in the optimization problem are modeled through tight linear approximations, which enable the formulation of the problem as a mixed-integer linear progra...Show More
A mixed integer program for flight-level assignment and speed control for conflict resolution
Proceedings of the 48h IEEE Conference on Decision and Control (CDC) held jointly with 2009 28th Chinese Control Conference
Year: 2009 | Conference Paper |
Cited by: Papers (66)
We consider the air traffic conflict resolution problem and develop an optimization model for generating speed trajectories that minimize the fuel expended to avoid conflicts. The problem is formulated by metering aircraft at potential conflict points. The developed model is a mixed integer linear program that can be solved in near real-time for large number of aircraft.Show More
A mixed integer program for flight-level assignment and speed control for conflict resolution
Year: 2009 | Conference Paper |
A two-stage stochastic optimization model for air traffic conflict resolution under wind uncertainty
A.E. Vela;E. Salaun;S. Solak;E. Feron;W. Singhose;J.-P. Clarke
2009 IEEE/AIAA 28th Digital Avionics Systems Conference
Year: 2009 | Conference Paper |
Cited by: Papers (9)
This paper considers the air traffic conflict resolution problem in the context of wind uncertainty. Aircraft are assigned changes in airspeed to prevent conflict. The goal is to determine the optimal maneuver to balance deviation costs (e.g., fuel costs) and the probability of conflict. A two-stage recourse model is developed, in which new airspeeds are assigned in the first stage, based on expec...Show More
A simplified approach to determine airspace complexity maps under automated conflict resolution
Erwan Salaün;Adan E. Vela;Eric Feron;John-Paul Clarke;Senay Solak
2009 IEEE/AIAA 28th Digital Avionics Systems Conference
Year: 2009 | Conference Paper |
Cited by: Papers (4)
This paper presents a new methodology for rapidly generating complexity maps for various configurations taking into account the influence of some conflict avoidance algorithm at a pair-wise intersection level. The complexity maps are based on analytical expressions, validated through simulations, of the probability of conflict and the spatial distribution of aircraft. This ¿closed-loop¿ analysis e...Show More
A fuel optimal and reduced controller workload optimization model for conflict resolution
Adan E. Vela;Senay Solak;Eric Feron;Karen Feigh;William Singhose;John-Paul Clarke
2009 IEEE/AIAA 28th Digital Avionics Systems Conference
Year: 2009 | Conference Paper |
Despite the existence of several automated air traffic conflict resolution algorithms, there is a need for formulations that account for air traffic controller workload. This paper presents such an algorithm with controller workload constraints modeled parametrically. To this end, we first develop an integer programming model for general conflict resolution, which emphasizes the minimization of fu...Show More
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