Yayın tarihi için Endüstri Mühendisliği Bölümü / Department of Industrial Engineering listeleme
Toplam kayıt 47, listelenen: 21-40
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Statistical analysis of bus transportation networks of Istanbul
(World Scientific Publishing Co Pte Ltd, 2016)Transportation networks such as railway, airport and bus networks are the real-world networks whose inherent statistical properties characterize and differentiate the networks. In order to understand the network characteristics ... -
A nonparametric approach for optimal reliability allocation in health services
(Emerald Group Publishing Limited, 2016-02-01)Reliability evaluation of healthcare services has been a challenging task for both operations managers and system engineers working in the respective field. The purpose of this paper is to develop a data envelopment ... -
The two-level economic lot sizing problem with perishable items
(Elsevier, 2016-05-01)We present an economic lot sizing model of a supply chain for the procurement and distribution of a perishable item. We assume that the consumers always buy the item that lasts longer. We show that determining optimal ... -
Economic impacts of increased U.S. exports of natural gas: An energy system perspective
(MDPI AG, 2016-05-25)With the recent shale gas boom, the U.S. is expected to have very large natural gas resources. In this respect, the key question is would it be better to rely completely on free market resource allocations which would lead ... -
A mathematical model for perishable products with price- and displayed-stock-dependent demand
(Elsevier Ltd, 2016-12)We introduce an economic order quantity model that incorporates product assortment, pricing and space-allocation decisions for a group of perishable products. The goal is to maximize the retailer's profit under shelf-space ... -
Parametrik ve parametrik olmayan verimlilik değerlendirmesi ve karşılaştırılması: Türkiye elektrik santralleri örneği
(2017)Çalışma boyunca Türkiye’deki çeşitli enerji santrallerinin operasyonel ve uzun vadeli yatırım performansları Stokastik Sınır Analiz (SSA) ve Veri Zarflama Analizi (VZA) kullanılarak karşılaştırıldı. Veri kümesi, özel ve ... -
Limanlarda kullanılan iş makinelerinde risk analizi çalışması
(2017)Limanlar genellikle iş yerleri arasında çok önemli bir alanı kapsamaktadır. İçeriğinde ne olduğu kendilerince bilinmeyen yükler ile uğraşan çalışanların, geniş bir yelpazede makinelerle birlikte çalışarak görev yaptığı ve ... -
Mobilya sektöründe pnömatik zımbalama ve vidalama işlerinin ergonomik risk değerlendirmesi
(2017)Uygun olmayan çalışma duruşları kas iskelet sistemi rahatsızlıklarına neden olduğu gibi, üretimdeki verimin de düşmesine yol açmaktadır. Dolayısıyla ergonomi disiplininin öncelikli amacı, çalışma koşullarını iyileştirerek, ... -
Otomotiv kablo imalatında ergonomik risk analizi
(2017)Çalışma yaşamında "kas iskelet sistemi hastalıkları" (KİSH) önemli bir sağlık sorunudur. Bu çalışmanın amacı tehlikeli sınıftaki bir işyerinde işlerin ergonomik risklere göre değerlendirilmesidir. Çalışmada, kablo imalatı ... -
Simultaneous scheduling of football games and referees using Turkish league data
(Blackwell Publishing Ltd, 2017-05)Assignment decisions of referees to football (soccer) games are highly debated in sports media. Referee assignments are typically done on a weekly basis as the league progresses. However, this practice ignores important ... -
Performance analysis of an aggregation and disaggregation solution procedure to obtain a maintenance plan for a partially observable multi-component system
(Elsevier Sci Ltd, 2017-11)We analyze the performance of an aggregation and disaggregation procedure in giving the optimal maintenance decisions for a multi-component system under partial observations in a finite horizon. The components deteriorate ... -
Developing an effective maintenance policy for control gates in hydroelectric power plants
(IEOM Society, 2018)Energy consumption has been increasing rapidly in the world. That is why production of energy from renewable resources is getting more and more important today. Hydroelectric power is the largest source of renewable ... -
Optimal project duration for resource leveling
(Elsevier Science BV, 2018-04-16)Resource leveling is important in project management as resource fluctuations are costly and undesired. Typically, schedules with better resource profiles are obtained by shifting the activities within their float times ... -
Minimization of rest mismatches in round robin tournaments
(Pergamon-Elsevier Science Ltd, 2018-11-01)In sports tournaments, an occurrence of a difference in the rest periods of opponent teams in a game, which we refer to as a rest mismatch, will disadvantage the less rested team. Thus, it is only fair to expect opposing ... -
Deprem sonrası planlamaya yönelik lojistik ağ tasarımı: Ümraniye bölgesinde farklı deprem senaryoları için bir uygulama
(Pamukkale Univ, 2019)In this study, a logistic network design for post-earthquake planning was developed. The purpose of this design is to develop a plan that enables earthquake survivors to access to basic humanitarian needs in the shortest ... -
Dynamic frontier estimation for monitoring team performances: A case on Turkish first division football league
(Emerald Group Publishing Limited, 2019-06-10)Purpose: This paper aims to investigate how predictions of football league standings and efficiency measures of teams, obtained through frontier estimation technique, evolve compared to actual results. Design/methodology/approach: ... -
Maintenance policy simulation for a factored partially observable system
(The Society for Modeling and Simulation International, 2019-07)Taking maintenance decisions is one of the well-known stochastic sequential decision problems under uncertainty. Partially Observable Markov Decision Processes (POMDPs) are powerful tools for such problems. Nevertheless, ... -
Assortment optimization with log-linear demand: application at a Turkish grocery store
(Elsevier Ltd, 2019-09)In retail sector, product variety increases faster than shelf spaces of retail stores where goods are presented to consumers. Hence, assortment planning is an important task for sustained financial success of a retailer ... -
An effective maintenance policy for a multi-component dynamic system using factored POMDPs
(Springer Verlag, 2019-09-20)With the latest advances in technology, almost all systems are getting substantially more uncertain and complex. Since increased complexity costs more, it is challenging to cope with this situation. Maintenance optimization ... -
A DBN based reactive maintenance model for a complex system in thermal power plants
(Elsevier Sci Ltd, 2019-10)Thermal power plants consist of several complex systems having many interacting hidden components. Any unexpected failure may lead to prolonged downtime and serious lost profits. Therefore, implementing an effective ...