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Nataliia Kosenko, Iryna Kadykova, Roman Artiukh
Pág. 53 - 57
The subject matter of the article is mathematical models for solving particular problems of sorting out candidates for a project team. The aim is to create a region of compromises for a variety of particular criteria for selecting candidates and to devel...
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Nam H. Kim, Ting Dong, David Weinberg and Jonas Dalidd
In this article, a generalized optimality criteria method is proposed for topology optimization with arbitrary objective function and multiple inequality constraints. This algorithm uses sensitivity information to update both the Lagrange multipliers and...
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Serhii Buriakovskyi,Vasyl Smirnov,Larysa Asmolova,Ihor Obruch,Oleksandr Rafalskyi,Artem Maslii
Pág. 58 - 69
This paper reports a study into the dynamics of displacing a railroad turnout's switches with a direct start of electric motor and a controlled DC electric drive in the MATLAB environment. The emphasis of simulation was the investigation of processes tak...
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Doddy Prayogo,Christianto Tirta Kusuma
Pág. 43 - 51
Bad scheduling and resource management can cause delays or cost overruns. Optimization in solving resource leveling is necessary to avoid those problems. Several objective criteria are used to solve resource leveling. Each of them has the same objective,...
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Mohamed Hamada and Mohammed Hassan
Recommender systems are powerful online tools that help to overcome problems of information overload. They make personalized recommendations to online users using various data mining and filtering techniques. However, most of the existing recommender sys...
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Ali Ahmid,Van N. Le,Thien M. Dao
Pág. 28 - 38
The current study presents a general optimization procedure that could be used in designing of various structural applications. To validate the performance of the proposed procedure, a real life application of a custom welded I-Beam gantry crane is selec...
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Bartosz Sawik, Javier Faulin, Elena Pérez-Bernabeu
Pág. 61 - 68
This research concerns multi-criteria vehicle routing problems. Mathematical models are formulated with mixed-integer programming. We consider maximization of capacity of truck vs. minimization of utilization of fuel, carbon emission and production of no...
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Grzegorz Filcek, Maciej Hojda, Jacek Zak
Pág. 656 - 663
The authors consider in this paper a carpooling optimization problem, which is formulated (based on their previous work) as a constrained multiple criteria decision-making problem. Different aspects and contradictory preferences of individual stakeholder...
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Belokurov Sergey, Belokurov Vladimir, Zolnikov Vladimir, Cherkasov Oleg
Pág. 47 - 52
Efficiency of a transport enterprise can be substantially enhanced by optimization methods at the stages of synthesis, analysis and decision-taking, which makes it possible to obtain, in specific situation, the best of possible solutions. The simulation ...
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M.V. Kitaeva,N.V. Speshilova,V. N. Shepel
Pág. 249 - 254
In new conditions an institution for successful work needs optimization of control, adaption of existing mathematical tools and development of new aspects. In the article it is suggested viewing the activities of higher educational institutions as produc...
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Joseph Isabona, Agbotiname Lucky Imoize, Oluwasayo Akinloye Akinwumi, Okiemute Roberts Omasheye, Emughedi Oghu, Cheng-Chi Lee and Chun-Ta Li
Benchmarking different optimization algorithms is tasky, particularly for network-based cellular communication systems. The design and management process of these systems involves many stochastic variables and complex design parameters that demand an unb...
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Mirza Sikalo, Almira Arnaut-Berilo and Adela Delalic
Comparing portfolio performance is complex due to the fact that each model is dominant in its own risk space. Since there is no single dominant performance measure, the research problem is how to incorporate several different measures into a performance ...
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Ying Wang, Yue Chen, Yuhan Yao and Jinping Ou
Structural health monitoring (SHM) is critical to maintaining safe and reliable civil infrastructure, but the optimal design of an SHM sensing system, i.e., optimal sensor placement (OSP), remains a complex challenge. Based on the existing literature, th...
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Piotr Gorzelanczyk and Henryk Tylicki
With the rapid increase in the number of vehicles on the road, traffic accidents have become a rapidly growing threat, causing the loss of human life and economic assets. The reason for this is the rapid growth of the human population and the development...
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Apostolos D. Papanikolaou
The recently completed Horizon 2020 European Research project?HOLISHIP?Holistic Optimization of Ship Design and Operation for Life Cycle (2016?2020) has developed suitable tools and software platforms which are necessary for the creation of innovative de...
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Mohammad Sadegh Bahadori, Alexandre B. Gonçalves and Filipe Moura
Designing or expanding a bicycle-sharing system (BSS) involves addressing the infrastructure?s location of the bicycle stations. Station location is an essential factor for designing and implementing a new system or for its operation. In a complex spatia...
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Manuel Lara, Juan Garrido, Mario L. Ruz and Francisco Vázquez
This paper deals with the control problems of a wind turbine working in its nominal zone. In this region, the wind turbine speed is controlled by means of the pitch angle, which keeps the nominal power constant against wind fluctuations. The non-uniform ...
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Judith Rosenow, Philipp Michling, Michael Schultz and Jörn Schönberger
Competitive price pressure and economic cost pressure constantly force airlines to improve their optimization strategies. Besides predictable operational costs, delay costs are a significant cost driver for airlines. Especially reactionary delay costs ca...
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Andreea Voinea, Silviu-Gabriel Stroe and Georgiana Gabriela Codina
Bakery products are one of the main sources of dietary sodium intake of the world?s population. During the last decade, sodium intake has increased worldwide and nowadays the World Health Organization recommends reducing sodium intake by up to 2 g Na/day...
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Eduardo C. da Silva and Paulo H. R. Gabriel
The multiprocessor task scheduling problem has received considerable attention over the last three decades. In this context, a wide range of studies focuses on the design of evolutionary algorithms. These papers deal with many topics, such as task charac...
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