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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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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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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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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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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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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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Shobhit Chaturvedi, Elangovan Rajasekar and Sukumar Natarajan
Operational uncertainties play a critical role in determining potential pathways to reduce the building energy footprint in the Global South. This paper presents the application of a non-dominated sorting genetic (NSGA II) algorithm for multi-objective b...
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Petro Plieshkov,Andrii Kotysh,Andrii Nekrasov
Pág. 35 - 45
This paper reports solving an important scientific task of minimizing the economic losses caused by the established deviation and the asymmetry of voltage in the distributing electrical networks with a rated voltage of 10 kV.It has been found that t...
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Ulf Johansen, Adrian Werner and Vibeke Nørstebø
As a consequence of past decades of extensive afforestation in Norway, mature forest volumes are increasing. National forestry politics call for sustainable and efficient resource usage and for increased regional processing. Regional policies seek to pro...
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Angel Udias, Alessandro Gentile, Peter Burek, Ad De Roo, Faycal Bouraoui, Ine Vandecasteele, Carlo Lavalle and Giovanni Bidoglio
In order to assess water efficiency options on the European scale, a multi-criteria integrative hydro-economic modeling framework has been developed. With this framework, it is possible to assess combinations of measures which could help reducing the gap...
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Angel Udias, Alessandro Gentile, Peter Burek, Ad de Roo, Faycal Bouraoui, Ine Vandecasteele, Carlo Lavalle and Giovanni Bidoglio
Pág. 1 - 21
In order to assess water efficiency options on the European scale, a multi-criteria integrative hydro-economic modeling framework has been developed. With this framework, it is possible to assess combinations of measures which could help reducing the gap...
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Xin Cai, Jie Zhu, Pan Pan and Rongrong Gu
This paper presents an optimization method for the structural design of horizontal-axis wind turbine (HAWT) blades based on the particle swarm optimization algorithm (PSO) combined with the finite element method (FEM). The main goal is to create an optim...
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Combating climate change issues resulting from excessive use of fossil fuels comes with huge initial costs, thereby posing difficult challenges for the least developed countries in Sub-Saharan Africa (SSA) to invest in renewable energy alternatives, espe...
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Natalia Sadovnikova, Oksana Savina, Danila Parygin, Alexey Churakov and Alexey Shuklin
The existing approaches to supporting the tasks of managing the urban areas development are aimed at choosing an alternative from a set of ready-made solutions. Little attention is paid to the procedure for the formation and analysis of acceptable option...
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Diamantis Karakatsanis, Thomas Patsialis, Kyriaki Kalaitzidou, Ioannis Kougias, Maria Margarita Ntona, Nicolaos Theodossiou and Nerantzis Kazakis
The optimization of dam operations to transform them into multi-objective facilities constitutes a challenge for both hydrology, hydrogeology, and hydropower generation. However, the use of the optimal algorithm for such transformation is critically impo...
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Shisong Wang, Xu Hou, Jianbao Yin, Yuming Xing and Zixian Wang
To access the enhancement effect of the topology optimization and porous foam structure, numerical studies were conducted to investigate the heat conduction enhancement (by metal foam, graphite foam, topologically optimized fins, and combinations of meta...
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