Endüstri Mühendisliği: Recent submissions

  • Development of tolerance and dependence in barbiturate use: a systems modeling approach 
    Konuray, Ali Osman. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    A system dynamics model is constructed to study the development of tolerance and dependence to phenobarbital in prolonged use. Phenobarbital is a sedative barbiturate drug whose target of action is the brain. Although its ...
  • Portfolio risk calculation and stochastic portfolio optimization by a copula based approach 
    Karadağ, Durmuş Tarık. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this study we used copulas to calculate the risks of stock portfolios and developed a stochastic portfolio optimization model using copulas to find optimal portfolios. Copula is a multivariate distribution function ...
  • The application of lean manufacturing principles to an aircraft maintenance, repair and overhaul (MRO) company 
    Açıkkollu, Cihan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This study addresses the application of lean manufacturing concepts to a non-manufacturing environment – a maintenance, repair and overhaul (MRO) company. The goal of this study is to investigate how lean manufacturing ...
  • Pricing American options by simulation 
    Coşkan, Cem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Pricing American options is a di cult problem in mathematical nance as no closed form solution exists. So, many approximations and numerical techniques have been developed. In option pricing, it is advantageous to use ...
  • Solving the profitable tour problem using ant colony system 
    Açıl, Aykun. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The Traveling Salesman Problem (TSP) is one of the most widely studied combinatorial optimization problems. Many heuristic algorithms such as tabu search, genetic algorithm, and simulated annealing are applicable to this ...
  • Vehicle routing problem with pickup and delivery and with time windows 
    Kalyoncu, Senem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This work proposes a metaheuristic method for solving Vehicle Routing Problem with Pickup and Delivery with Time Windows (VRPPDTW). The mathematical model which is developed to solve this problem tries to fulfill a set of ...
  • Implementation of sensitivity analysis in discrete event digital simulation 
    Birgil, Yasemin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    Discrete event dynamic systems have been analyzed by use of either analytical or simulation models. Both approaches have certain drawbacks. In this thesis a new approach which aims to reduce the number of computer runs ...
  • Forecasting demand of magazines and modelling seasonality 
    Aktel, Abdullah. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The main aim of this thesis is to find a sensible way to model the seasonality and forecast the demand of magazines automatically. Demand forecasting in magazine industry is very complex and historic delivery and sale data ...
  • Isometric grip strength distribution of a Turkish sample as a function of posture and support 
    Silahlı, Baykar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In physical work activities, a worker’s capacity to perform mechanical work is partly determined by his/her capability to apply muscular strength. Especially in hand intensive jobs, to prevent fatigue and musculoskeletal ...
  • The impact of remanufacturing on service levels of automobile spare parts supply chain 
    Erdoğan, Hasan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Remanufacturing is described as removing a product or component from a retired system and installing it in another system. In today’s world one can already discover an impressive range of application examples representing ...
  • Design and analysis of collection systems for incentive-dependent product recovery 
    Karaarslan, Ayşe Gönül Tanuğur. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this thesis, we propose three reverse logistics models in which we address the problem of locating collection centers of a profit seeking company that aims to collect used products (cores) from product holders via a ...
  • Increasing on time deliveries of tea based products by using type-2 service level and analyzing impacts of information sharing in food sector 
    Sarı, Mehmet Emre. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The aim of this thesis is two fold, the first one is to develop an inventory control strategy for the most valuable products of a food company to improve customer service by using type-2 service level. The second is to ...
  • Rework loop and quality information feedback 
    Hançer, Ömer Ferhat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    High population and limited amount of resources increase competition, and in order to survive in this competition we must use these resources wisely. Today’s manufacturers are conscious of this fact and they find efficient ...
  • Competition in technology adoption with revenue and technology uncertainty 
    Söğüt, Hakan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The thesis analyzes the investment decision on technology adoption under revenue and technology uncertainty. In a duopoly market, the firms make a decision on investing on a technology at the beginning of the time horizon. ...
  • A comparison of pull control policies in hybrid production systems 
    Çadırcı, Özge. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Environmental concerns trigger companies for utilizing reuse activities as much as possible, gradually. One of these activities is remanufacturing process. When manufacturing process is combined with remanufacturing process, ...
  • The performance of the SPT-T rule on a multiproduct, multifacility production system 
    Şahin, Orhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1982., 1982.)
    This thesis presents a payment scheduling problem with bonus and penalty where both the client and the contractor are considered. In the study, an equitable solution is sought to determine the amount and timing of the ...
  • Importance sampling for queueing simulations 
    Yön, Semih. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In a simulation it is desired to control variability and decrease the variance of experiments. So we can be aware of the accuracy of the constructed models and consequently can supply reliable results. Importance Sampling ...
  • Load-based order review release strategies for shop floor control 
    Aslan, Bulut. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The basic aim of this thesis is to grasp the notion of order release in terms of system performance and develop a load-based hierarchical order release policy. Basically, order review/ release (ORR) is a decoupling mechanism ...
  • Analysis of disasembly systems in remanufacturing using kanban control 
    Dingeç, Kemal Dinçer. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Disassembly is the most critical stage of remanufacturing activities. The condition of parts disassembled for reuse/remanufacturing display a high variance. Hence demand for different parts found in a core cannot always ...
  • A heuristic to minimize total terdiness on parallel machines: an aggregate planning approach 
    Sansarcı, Engin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Unrelated parallel machine total tardiness problem is investigated in this study. Job-splitting property, eligibility constraints and family setup structure are assumed. A previous study focused on the exact problem does ...