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    Evaluation and Scheduling of the Car Manufacturing Factory’s Employers’ Work Shifts
    (İstanbul Gelişim Üniversitesi Yayınları / Istanbul Gelisim University Press, 2017-04-20) Baran, Erhan
    This study is made an application related to the regulation of working hours of workers in car factory. This factory has thick to work 24 hour shifts need to work with the system as needed. In this study, which is open 24 hours a day and 7 days in a car factory, it has made application serving with 3 shifts. The attention of employees serving in this industry and are crucial to productivity. Mistakes will be made, which can lead to irreparable consequences. The working hours of workers at the factory scheduling process is usually carried out by personnel chief in the factory. In this study, in consultation with the chief engineer in charge of drafting the schedule and made relevant studies were identified by examining the constraints to be considered. Then it established a mathematical model that can be used in a general sense with integer linear programming techniques. Established model applies to data in a unit of a car factory and has been found to be optimal solutions with the help of LINGO software. Unlike other shift scheduling problems in the literature, this study aimed to run for a minimum of additional workers outside the factory. There is also a model that defined the mathematical model and skillful workers to shift some concessions to be assigned any number of workers in particular experience has been established.
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    A Multi-Objective Approach for The In-Plant MilkRun in A Furniture Factory
    (İstanbul Gelişim Üniversitesi Yayınları / Istanbul Gelisim University Press, 2017-12-13) Baran, Erhan
    Today, facility optimization is one of the most important decision for the firms while establishing a new factory. It is necessary to carry work-in-process products between the production lines in firms. Many firms use trains to carry these items. In this study, an application is made in a furniture manufacturing factory. Firstly, the routes which the train can use in the firm are created. The alternative routes are compared with each other. The routes contain all of the production lines in the factory. Our aim is to route the train with minimum distance and minimum amount of cargo carrying. In this study, one train is used in the firm. It is also necessary to use minimum train for carrying the work-in-process products. The optimal route is determined by using some of the methods in the literature for multi-objective models.