Výsledky vyhledávání - "Bora Çekyay"

Reliability of mission-based k-out-of-n systems with exponential phase durations and component lifetimes

Autor: Bora Çekyay

Publikováno v: Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability. 235:446-457

This paper focuses on the reliability analysis of [Formula: see text]-out-of-[Formula: see text] systems which are designed to perform a given mission consisting of several distinct phases. As the phases of the mission change, the reliability charact

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47a1d469c874fe5ea75fb8e581e1881a
https://doi.org/10.1177/1748006x20969300

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Customizing exponential semi-Markov decision processes under the discounted cost criterion

Autor: Bora Çekyay

Publikováno v: European Journal of Operational Research. 266:168-178

Çekyay, Bora (Dogus Author) The uniformization technique is a widely used method for establishing the existence of optimal policies with certain monotonicity properties. This technique converts a semi-Markov decision process with exponential sojourn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e56729b0c22ff457e4dac0c21b0cc1d2
https://doi.org/10.1016/j.ejor.2017.09.016

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A Multi-Commodity Network Flow And Gravity Model Integration For Analyzing Impact Of Road Transport Quotas On International Trade

Autor: Peral Toktaş Palut, Özgür Kabak, Özay Özaydın, Burç Ülengin, Bora Çekyay, Füsun Ülengin

ULENGIN, BURC/0000-0001-5276-8861; Kabak, Ozgur/0000-0002-5542-309X; Ulengin, Fusun/0000-0003-1738-9756; Cekyay, Bora/0000-0002-6847-9033; Toktas-Palut, Peral/0000-0002-8864-0904 Although EU and Turkey are integrated by Customs Union since 1996, ther

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a56e987b35826bbda2c6b204b42180f3
https://aperta.ulakbim.gov.tr/record/3895

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Reliability Of Semi-Markov Missions

Autor: Bora Çekyay, Süleyman Özekici

Ozekici, Suleyman/0000-0003-3610-1746; Cekyay, Bora/0000-0002-6847-9033 We consider a device that is designed to perform missions consisting of a random sequence of phases or stages with random durations. The mission process is described by a Markov

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76116dcc6699e4eecc8de62814128ba9
https://aperta.ulakbim.gov.tr/record/72935

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Sürekli Zaman Markov Karar Süreçlerinin Özgüleştirilmesi

Autor: Bora Çekyay

Publikováno v: Doğuş Üniversitesi Dergisi, Vol 19, Iss 2, Pp 65-74 (2018)

Özgüleştirme tekniğinin amacı, bir üstel yarı-Markov karar sürecini (ÜYMKS) kendine özdeş, ama farklı formülasyona sahip bir başka ÜYMKS’ye dönüştürmektir. Bu sayede, özellikle optimal politikaların yapısal özelliklerini daha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::546b74c996992cd1fb67266408dac7e0
https://hdl.handle.net/11376/3763

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Analysis Of The Impact Of Bilateral And Transit Quotas On Turkey'S International Trade By Road Transport: An Integrated Maximum Flow And Gravity Model Approach

Autor: Özay Özaydın, Füsun Ülengin, Özgür Kabak, Peral Toktaş Palut, Burç Ülengin, Bora Çekyay

Çekyay, Bora (Dogus Author) -- Toktaş Parul, Peral (Dogus Author) -- Özaydın, Özay (Dogus Author) We explore whether bilateral and transit quotas applied by EU countries on Turkey have a negative impact on Turkey's international trade by road tr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02959e095964f0276128353672c86f4b
https://aperta.ulakbim.gov.tr/record/46811

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Critical success factors for the iron and steel industry in Turkey: A fuzzy DEMATEL approach

Autor: Özgür Kabak, Özay Özaydın, Şule Önsel, Bora Çekyay, Füsun Ülengin

Çekyay, Bora (Dogus Author) -- Önsel, Şule (Dogus Author) -- Özaydın, Özay (Dogus Author) The attempt to improve the efficiency and competitiveness of an industrial sector is aided by the determination of critical success factors (CSFs) which f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86075b539d87b5dd273c44c3cc83c95b
https://hdl.handle.net/11376/3102

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Mean time to failure and availability of semi-Markov missions with maximal repair

Autor: Süleyman Özekici, Bora Çekyay

Publikováno v: European Journal of Operational Research. 207:1442-1454

We analyze mean time to failure and availability of semi-Markov missions that consist of phases with random sequence and durations. It is assumed that the system is a complex one with nonidentical components whose failure properties depend on the mis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e1e713958839ff75aaa050c54f94b67
https://doi.org/10.1016/j.ejor.2010.07.019

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Mission-Based Component Testing for Series Systems

Autor: M. Emre Keskin, I. Kuban Altınel, Orhan Feyzioğlu, Süleyman Özekici, Bora Çekyay

Publikováno v: Annals of Operations Research. 186:1-22

We consider the component testing problem of a device that is designed to perform a mission consisting of a random sequence of phases with random durations. Testing is done at the component level to attain desired levels of mission reliability at min

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e40dc57041873bf91ed781a3cdc1bc0d
https://doi.org/10.1007/s10479-010-0816-9

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