Search Results - "Aktürk, M. Selim"

A two-stage decision dependent stochastic approach for airline flight network expansion by Şafak, Özge, Çavuş, Özlem, Aktürk, M. Seli̇m

“…Airlines need to expand their flight networks with developing new routes and introducing more flights to increase their market share. In this work, we propose…”
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Aircraft Rescheduling with Cruise Speed Control by Akturk, M. Selim, Atamturk, Alper, Gurel, Sinan

“…Airline operations are subject to frequent disruptions typically due to unexpected aircraft maintenance requirements and undesirable weather conditions…”
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Flight Network-Based Approach for Integrated Airline Recovery with Cruise Speed Control by Arikan, Uğur, Gürel, Sinan, Aktürk, M. Selim

“…Airline schedules are generally tight and fragile to disruptions. Disruptions can have severe effects on existing aircraft routings, crew pairings, and…”
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Multi-stage airline scheduling problem with stochastic passenger demand and non-cruise times by Şafak, Özge, Çavuş, Özlem, Selim Aktürk, M.

“…•We propose a novel mixed-integer three-stage stochastic nonlinear programming model.•We suggest a scenario group-wise decomposition algorithm to provide lower…”
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The Value of Multi-Stage Stochastic Programming in Risk-Averse Unit Commitment Under Uncertainty by Mahmutogullari, Ali Irfan, Ahmed, Shabbir, Cavus, Ozlem, Akturk, M. Selim

“…Day-ahead scheduling of electricity generation or unit commitment is an important and challenging optimization problem in power systems. Variability in net…”
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An exact solution approach for risk-averse mixed-integer multi-stage stochastic programming problems by Mahmutoğulları, Ali İrfan, Çavuş, Özlem, Aktürk, M. Selim

“…Risk-averse mixed-integer multi-stage stochastic programming problems are challenging, large scale and non-convex optimization problems. In this study, we…”
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Stochastic lot sizing problem with controllable processing times by Koca, Esra, Yaman, Hande, Selim Aktürk, M.

“…In this study, we consider the stochastic capacitated lot sizing problem with controllable processing times where processing times can be reduced in return for…”
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Accommodating new flights into an existing airline flight schedule by Şafak, Özge, Atamtürk, Alper, Selim Aktürk, M.

“…•Propose two novel approaches to accommodate new flights into an existing flight schedule of a particular day.•Present strong mixed-integer conic quadratic…”
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Bounds on risk-averse mixed-integer multi-stage stochastic programming problems with mean-CVaR by Mahmutoğulları, Ali İrfan, Çavuş, Özlem, Aktürk, M. Selim

“…•We propose a group subproblem approach for mixed-integer multi-stage stochastic problems with dynamic mean conditional value-at-risk.•We consider different…”
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Integrated aircraft-path assignment and robust schedule design with cruise speed control by Şafak, Özge, Gürel, Si̇nan, Aktürk, M. Seli̇m

“…Assignment of aircraft types, each having different seat capacity, operational expenses and availabilities, critically affects airlines' overall cost. In this…”
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Integrated aircraft and passenger recovery with cruise time controllability by Arikan, Ugur, Gurel, Sinan, Akturk, M. Selim

“…Disruptions in airline operations can result in infeasibilities in aircraft and passenger schedules. Airlines typically recover aircraft schedules and…”
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A strong conic quadratic reformulation for machine-job assignment with controllable processing times by Aktürk, M. Seli̇m, Atamtürk, Alper, Gürel, Si̇nan

“…We describe a polynomial-size conic quadratic reformulation for a machine-job assignment problem with separable convex cost. Because the conic strengthening is…”
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A multi-stage stochastic programming approach in master production scheduling by Körpeoğlu, Ersin, Yaman, Hande, Selim Aktürk, M.

“…Master Production Schedules (MPS) are widely used in industry, especially within Enterprise Resource Planning (ERP) software. The classical approach for…”
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Two-machine flowshop scheduling with flexible operations and controllable processing times by Uruk, Zeynep, Gultekin, Hakan, Akturk, M. Selim

“…We consider a two-machine flowshop scheduling problem with identical jobs. Each of these jobs has three operations, where the first operation must be performed…”
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An anticipative scheduling approach with controllable processing times by Guerel, Sinan, Koerpeoolu, Ersin, Aktuerk, MSelim

“…In practice, machine schedules are usually subject to disruptions which have to be repaired by reactive scheduling decisions. The most popular predictive…”
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Resilient airline scheduling to minimize delay risks by Şi̇mşek, Deni̇z, Aktürk, M. Seli̇m

“…Airlines tend to design their flights schedules with the primary concern of the minimization of operational costs. However, the recently emerging idea of…”
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Scheduling preventive maintenance on a single CNC machine by Gurel, Sinan, Selim Akturk, M.

“…In this study we attempt to deal with process planning, scheduling and preventive maintenance (PM) decisions, simultaneously. The objective is to minimize the…”
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Due date and cost-based FMS loading, scheduling and tool management by Turkcan, Ayten, Akturk, M. Selim, Storer, Robert H.

“…In this study, we consider flexible manufacturing system loading, scheduling and tool management problems simultaneously. Our aim is to determine relevant tool…”
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Scheduling in a three-machine robotic flexible manufacturing cell by Gultekin, Hakan, Akturk, M. Selim, Ekin Karasan, Oya

“…In this study, we consider a flexible manufacturing cell (FMC) processing identical parts on which the loading and unloading of machines are made by a robot…”
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Single CNC machine scheduling with controllable processing times and multiple due dates by Atan, Mehmet Oguz, Selim Akturk, M.

“…In this study, we solve the single CNC machine scheduling problem with controllable processing times. Our objective is to maximize the total profit that is…”
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