Browsing by Author "Hekimoglu, Mustafa"
Now showing items 1-8 of 8
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Admission control for a capacitated supply system with real-time replenishment information
Ma, Weina; Hekimoglu, Mustafa; Dekker, Rommert (Elsevier, 2023)Control towers can provide real-time information on logistic processes to support decision making. The question however, is how to make use of it and how much it may save. We consider this issue for a company supplying ... -
Dual sourcing models with stock-out dependent substitution
Hekimoglu, Mustafa; Scheller-Wolf, Alan (Elsevier, 2023)Companies use different criteria such as lead time, cost and quality to evaluate suppliers; often using multiple suppliers with the aim of reducing stockout risk. But in many industries there may be significant differences ... -
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, ... -
Maintenance optimization for a single wind turbine component under time-varying costs
Schouten, Thijs Nicolaas; Dekker, Rommert; Hekimoglu, Mustafa; Eruguz, Ayse Sena (Elsevier, 2022)In this paper, we introduce a new, single-component model for maintenance optimization under timevarying costs, specifically oriented at offshore wind turbine maintenance. We extend the standard age replacement policy ... -
Markdown Optimization with Generalized Weighted Least Squares Estimation
Hekimoglu, Mustafa (Springernature, 2022)Retailers increasingly apply price markdowns for their seasonal products. Efficiency of these markdown applications is driven by the accuracy of empirical models, especially toward the end of a selling season. In the ... -
Modeling repair demand in existence of a nonstationary installed base
Hekimoglu, Mustafa; Karli, Deniz (Elsevier, 2023)Life cycles of products consist of 3 phases, namely growth, maturity, and decline phases. Modeling repair demand is particularly difficult in the growth and decline stages due to nonstationarity. In this study, we suggest ... -
Optimum utilization of on-demand manufacturing and laser polishing in existence of supply disruption risk
Ulutan, Durul; Isler, Zulal; Kaya, Burak Erkan; Hekimoglu, Mustafa (Elsevier, 2022)3D printing has moved from being a rapid prototyping tool to an additive manufacturing method within the last decade. Additive manufacturing can satisfy the need in dire situations where spare parts distribution is an issue ... -
Stockout risk estimation and expediting for repairable spare parts
Hekimoglu, Mustafa; Kok, A. Gurhan; Sahin, Mustafa (Pergamon-Elsevier Science Ltd, 2022)Stockouts of repairable spares usually lead to significant downtime costs. Managers of Maintenance Repair Organizations (MROs) seek advance indicators of future stockouts which might allow them to take proactive actions ...