Browsing by Author "Göktürk, Elvin Çoban"
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Advancing home healthcare through machine learning: Predicting service time for enhanced patient care
Selçuk, Yağmur Selenay; Göktürk, Elvin Çoban (IEEE, 2023)Providing healthcare services at home is crucial for patients who require long-term care or face mobility or other health-related constraints that prevent them from traveling to healthcare facilities. Effective data analysis ... -
Blood supply chain management and future research opportunities
Ekici, Ali; Özener, Okan Örsan; Göktürk, Elvin Çoban (Springer, 2018)In this chapter, we discuss the challenges and research opportunities in the blood collection operations and explore the benefits of recent advances in the blood donation process. According to the regulations, donated blood ... -
Demand-driven electricity supply options of electric vehicles: modelling, simulation, and management strategy of public charging stations
Göktürk, Elvin Çoban; Poyrazoğlu, Göktürk (Springer, 2021-10-13)In this chapter, we discuss the challenges and research opportunities in the demand-driven electricity supply options of electric vehicles (EVs) at public charging stations (CSs). EVs have gained increased attention in ... -
Drone routing for post-disaster damage assessment
Adsanver, Birce; Göktürk, Elvin Çoban; Koyuncu, Burcu Balçık (Springer, 2021)We consider drones to support post-disaster damage assessment operations when the disaster-affected area is divided into grids and grids are clustered based on their attributes. Specifically, given a set of drones and a ... -
The effect of few historical data on the performance of sample average approximation method for operating room scheduling
Göktürk, Elvin Çoban; Kayış, Enis; Dexter, F. (Wiley, 2023-01)We model the scheduling problem of a single operating room for outpatient surgery, with uncertain case durations and an objective function comprising waiting time, idle time, and overtime costs. This stochastic scheduling ... -
The effect of multiple operating room scheduling on the sterilization schedule of reusable medical devices
Göktürk, Elvin Çoban (Elsevier, 2020-09)We study scheduling problems of operating rooms (ORs) and sterilization of reusable medical devices (RMDs) where RMDs are the tools that have to be sterilized in order to be reused in the other surgeries. During their ... -
Electrical and financial analyses of ev charging stations by statistical and probabilistic simulation
Increasing environmental pollution with the increase of vehicles that have internal combustion engines has led people to alternative methods due to the transportation sector's share in environmental pollution. Last decade, ... -
Improving blood products supply through donation tailoring
Özener, Okan Örsan; Ekici, Ali; Göktürk, Elvin Çoban (Elsevier, 2019-02)Recent technological advances, called Multicomponent Apheresis, allow tailoring the blood donations based on the demand and current inventory levels of blood products. Different from the most common type of blood donation ... -
An integrated post-disaster assessment routing problem for collecting damage information with drones
In this study, we focus on post-disaster damage assessment operations supported by a set of drones when the disaster-affected area is divided into grids, and grids are clustered based on their attributes. We propose a ... -
Modeling battery sizing optimization algorithms for various use cases
Battery energy storage systems (BESS) increase energy controllability and grid flexibility. One of the most important issues in BESS investments is optimal BESS sizing for various needs. In this thesis, it is aimed to ... -
Post-disaster damage assessment using drones in a remote communication setting
Yücesoy, Ecem; Göktürk, Elvin Çoban; Koyuncu, Burcu Balçık (Springer, 2023)After a disaster event, obtaining fast and accurate information about the damaged built-in structure is crucial for planning life-saving response operations. Unmanned aerial vehicles (UAVs), known otherwise as drones, are ... -
A predictive multistage postdisaster damage assessment framework for drone routing
Adsanver, Birce; Göktürk, Elvin Çoban; Koyuncu, Burcu Balçık (Wiley, 2024-01)This study focuses on postdisaster damage assessment operations supported by a set of drones. We propose a multistage framework, consisting of two phases applied iteratively to rapidly gather damage information within an ... -
Real data oriented quantitative research on the deployment of electric vehicle chargers in the distribution network
It is very evident that the number of electric vehicles worldwide will increase and that the dominant mobility concept in the future will be at the center of EVs. As a requirement of e-mobility, EVs should be rechargeable ... -
A real life operating room scheduling problem
Alper, Gülşah (2015-08)A real life operating room scheduling problem is studied using a data set from a leading hospital, Hospital X, in Turkey. After analyzing the real data, we solve daily operating room scheduling problems by mixed integer ... -
Service center staffing with cross‐trained agents and heterogeneous customers
Göktürk, Elvin Çoban; Heching, A.; Scheller-Wolf, A. (Wiley, 2019-04)We model a real-world service center with cross-trained agents serving customer requests that are heterogeneous with respect to complexity and priority levels: High priority requests preempt low priority requests and ... -
Set-covering based heuristic approaches for the problems from the printing industry
In this thesis, we focus on two different planning production problems coming from the printing industry. The first problem is the label printing problem and the second one is a variant of the cover printing problem. In ... -
Stochastic scheduling of operating rooms and reusable medical devices: a simulation optimization approach
Farajkhah, Seyyed Kian (2019-08-08)Health care expenditures are expected to grow every year, and more than 40% of a hospital's total expenses and revenues are generated by surgical surgeries. One of the major resources required during surgeries are reusable ... -
A stochastic value estimation tool for electric vehicle charging points
Poyrazoğlu, Göktürk; Göktürk, Elvin Çoban (Elsevier, 2021-07-15)A stochastic value estimation tool serves as a planning tool with embedded modules for electrical and financial valuation of electric vehicle charging points. The tool is developed in stochastic nature for selected service ...
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