Scopus İndeksli Yayınlar Koleksiyonu by Institution Author "Yücekaya, Ahmet"
Now showing items 1-14 of 14
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Agent-based Optimization to Estimate Nash Equilibrium in Power Markets
Yücekaya, Ahmet; Valenzuela, Jorge (Taylor & Francis Inc, 2013)In most deregulated power markets firms bid daily into a day-ahead power market. The auction mechanism supply and demand determine the equilibrium at each hour. In this environment firms aim to maximize their revenues by ... -
An analysis of price spikes and deviations in the deregulated Turkish power market
Gayretli, Gizem; Yücekaya, Ahmet; Bilge, Ayşe Hümeyra (Elsevier, 2019)The successful operation of a real time market is related to the planning in the day ahead market. We analyze the day ahead and real time market data for the Turkish power market for the period 2012-2015 to classify price ... -
Electric power bid determination and evaluation for price taker units under price uncertainty
Yucekaya, Ahmet; Valenzuela, J. (Econjournals, 2021)Power companies aim to maximize their profit which is highly related to the bidding strategies used. In order to sell electricity at high prices and maximize their profit, power companies need suitable bidding models that ... -
Electricity trading for coal-fired power plants in Turkish power market considering uncertainty in spot, derivatives and bilateral contract market
Yucekaya, Ahmet (Pergamon-Elsevier Science Ltd, 2022)In deregulated power markets, electricity suppliers have the option to trade in the spot market, derivatives market, and bilateral contract market. The spot market is always available and open to competition, but the ... -
Forecasting electricity demand for Turkey: Modeling periodic variations and demand segregation
Yükseltan, Ergün; Yücekaya, Ahmet; Bilge, Ayşe Hümeyra (Elsevier, 2017)In deregulated electricity markets the independent system operator (ISO) oversees the power system and manages the supply and demand balancing process. In a typical day the ISO announces the electricity demand forecast for ... -
Forecasting Models For Daily Natural Gas Consumption Considering Periodic Variations And Demand Segregation
Yükseltan, Ergün; Yücekaya, Ahmet; Bilge, Ayşe Hümeyra; Ağca Aktunç, Esra (Elsevier Ltd, 2020)Due to expensive infrastructure and the difficulties in storage, supply conditions of natural gas are different from those of other traditional energy sources like petroleum or coal. To overcome these challenges, supplier ... -
A fuzzy ANP-based GRA approach to evaluate ERP packages
Ayağ, Zeki; Yücekaya, Ahmet (IGI Global, 2019)One of the major problems that most companies face with during the implementation of an ERP system is to determine the best satisfying ERP software based on their needs and expectations. Because an improperly selected ERP ... -
Hourly electricity demand forecasting using Fourier analysis with feedback
Yükseltan, Ergün; Yücekaya, Ahmet; Bilge, Ayşe Humeyra (Elsevıer, 2020)Whether it be long-term, like year-ahead, or short-term, such as hour-ahead or day-ahead, forecasting of electricity demand is crucial for the success of deregulated electricity markets. The stochastic nature of the demand ... -
The Implementation of Smart Contract via Blockchain Technology in Supply Chain Management: A Case Study from The Automotive Industry in Turkey
Yuksel, Hasan Basri; Bolat, Serdar; Bozkurt, Hayreddin; Yucekaya, Ahmet; Hekimoglu, Mustafa (IEEE, 2021)Blockchain Technology, underlined as the most revolutionizing innovation after the internet, is still in the growth phase and waits for the practitioners to enlighten its productivity promises. In the current environment, ... -
Managing natural gas demand for free consumers under uncertainty and limited storage capacity
Aktunç, Esra Ağca; Yükseltan, Ergün; Yücekaya, Ahmet; Bilge, Ayşe Hümeyra (Elsevier, 2020)Demand for energy sources depends on several factors such as population growth, urbanization, industrialization, and climate. Among fundamental energy sources, natural gas is characterized by storage limitations and ... -
Multi-objective Fuel Supply for Coal-fired Power Plants Under Emission Transportation and Operational Constraints
Yücekaya, Ahmet (Taylor & Francis Inc, 2013)Coal-fired power plants need to decrease their generation cost in deregulated power markets so as to be selected dispatched and compete with other cheaper resources. On the other hand coal prices have risen significantly ... -
A network model for the location-routing decisions of a logistics company
Sama, Funda; Yücekaya, Ahmet; Ayağ, Zeki (Institute of Industrial Engineers, 2012)In this paper, part of the logistics network of one of the leading logistics companies in Turkey is analyzed. Data related to the candidate warehouse locations, supplies and demands of customers are collected. A network ... -
The operational economics of compressed air energy storage systems under uncertainty
Yücekaya, Ahmet (Pergamon-Elsevier Science Ltd, 2013)A Compressed Air Energy Storage System is a means of storing energy which can then be used when the demand for energy increases. In this system air is compressed in a cavern when power prices are low and this air is used ... -
Scheduling a log transport system using simulated annealing
Haridass, Karunakaran; Valenzuela, Jorge; Yücekaya, Ahmet; McDonald, Tim (Elsevier Science, 2014)The log truck scheduling problem under capacity constraints and time window constraints is an NP-hard problem that involves the design of best possible routes for a set of trucks serving multiple loggers and mills. The ...