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Prace Naukowe Instytutu Matematyki i Informatyki Politechniki Częstochowskiej
EN We study the geometry of patterns formed by forces in 2D models of granular stacking using a genetic algorithm. As a fitness function we employ an entropy measure based on probability density functions of force-chain-arm lengths computed for different underlying lattice geometries.
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Prace Naukowe Politechniki Warszawskiej. Elektronika
2007 z. 160 225-232
EN In this paper we present hierarchical chromosome based genetic algorithm and its application to solving of exemplary design problem-optimization of platform with minimal overall volume and the stress value not greater then the maximum admissible value, when the platform is under the external load. T[...]
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Prace Naukowe Politechniki Warszawskiej. Elektronika
2007 z. 160 193-202
EN The paper provides an overview of measurement techniques in sensor networks localization the physical location of nodes with unknown location. A novel localization methods, i.e. two phase algorithms based on simulated annealing and genetic algorithm are described. The numerical results presented an[...]
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Prace Naukowe Politechniki Warszawskiej. Elektronika
2007 z. 160 301-307
EN One of the methods wich can be used for designing a nonlinear control structures were tuned to optimise the operation of the control system. The optimisation was performed using genetic algorithms. The quality of operation of the designed control algorithms was checked in simulation tests performed [...]
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Prace Naukowe Politechniki Warszawskiej. Elektronika
2007 z. 160 71-78
EN This paper deals with the problem of minimal makespan scheduling in a two-stage flowshop with parallel unrelated machines and renewable resources at the first stage and a single machine at the second stage. A heuristic for solving this problem is developed which combines a genetic algorithm with a c[...]
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Prace Naukowe Politechniki Warszawskiej. Elektronika
2007 z. 160 165-173
EN The paper is designed as a summary of the relatively wide study on usage of Evolutionary Algorithms (EAs) as an automatic tool for Neural Networks (NNs) design. The study was conducted for many years and partial results have been presented. Special attention is put to such aspects of NNs evolution a[...]
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Computer Assisted Mechanics and Engineering Sciences
EN The paper tries to show the role that can be played by genetic optimization strategies in solving huge global optimization problems in computational mechanics and other branches of high technology. Genetic algorithms are especially recommended as the first phase in two-phase stochastic optimization.[...]
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Journal of Theoretical and Applied Computer Science
EN The article presents the method of utilization of the genetic algorithm for computer-based creation of photofits. The application of artificial intelligence methods has enabled the generation of photofits without the need for the user to select particular elements of a face. The task of a witness wh[...]
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Journal of Telecommunications and Information Technology
2012 nr 1 74-82
EN Among Evolutionary Multiobjective Optimization Algorithms (EMOA) there are many which find only Paretooptimal solutions. These may not be enough in case of multimodal problems and non-connected Pareto fronts, where more information about the shape of the landscape is required. We propose a Multiobje[...]
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Journal of KONES
EN The proactive maintenance is an effective approach to enhance the system availability through real time monitoring the current state of a system. The key part of this method is forecasting the nonoperational states for advanced warning of the failure possibility that can bring the attention of machi[...]
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Journal of KONES
EN In automated manufacturing processes the safety, precise and fast transfer of goods realized by automated material handling devices is required to raise efficiency and productivity of manufacturing process. Hence, in those industrial branches where cranes are extensively used the problem of an anti-[...]
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Journal of Theoretical and Applied Mechanics
2009 Vol. 47 nr 3 573-598
PL Przedmiotem prezentowanej pracy jest problem optymalizacji systemu implantologicznego Osteoplant, który został opracowany i wciąż jest ulepszany przez Fundację Uniwersytetu Medycznego w Poznaniu. Obserwacje kliniczne potwierdzają występowanie powikłań zarówno we wczesnej, jak i późnej fazie użytkowa[...]
EN The subject of the present work is optimization of the modern implant system Osteoplant, which was created and is still developed by Foundation of University of Medical Sciences in Poznań. Clinical observations point to the occurrence of both early and late complications in the case of all two-compo[...]
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Journal of Automation Mobile Robotics and Intelligent Systems
EN This paper presents a new method for analog circuit design optimization. Our approach turns to good account the advantages offered by computational intelligence techniques. Design objectives can be expressed in a flexible manner using fuzzy sets. This way appears the possibility to consider differen[...]
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Computer Methods in Materials Science
PL Rozmieszczenie wsadu w wielkim piecu wpływa na wydajność procesu w górnej części pieca, a tym samym na płynność tego procesu, wskaźnik zużycia koksu oraz wydajność. W niniejszej publikacji opisano model rozmieszczania ładunku, który umożliwi opracowanie programów ładowania wsadu, realizujących konkr[...]
EN The burden distribution in the blast furnace affects the efficiency of the upper part of the process and is, therefore, associated with smoothness of operation, coke rate and productivity. A burden distribution model is applied in this work to evolve charging programs fulfilling a goal given by the [...]
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Computer Methods in Materials Science
2013 Vol. 13, No. 1 160--165
PL Autorzy artykułu przedstawiają zagadnienie dotyczące algorytmu optymalizacji produkcji na linii cięcia stali walcowanej na zimno w wytwórni stali w Indiach. Wytwórnia ma za zadanie stworzenie ciągu stanowisk do obsługi nożycy, co wiąże się z wykonaniem wzorca cięcia dla każdego kręgu pilotującego, z[...]
EN This paper presents a genetic algorithm for optimizing production in a cold rolled steel slitting line in a steel service center in India. The steel service center needs to generate a sequence of jobs for the slitter that involves the generation of a cutting pattern for each mother coil according to[...]
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Acta Geophysica
EN Bottom Simulating Reflectors (BSRs) are considered to be the bottom of gas hydrate bearing sediments; hence, BSRs are used to identify gas hydrate and free gas. In order to obtain accurate velocity structure of BSRs, this paper presents a full waveform inversion strategy based on Genetic Algorithm. [...]
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Optica Applicata
EN A new kind of one-dimensional (1D) photonic crystal (PC) filter is reported in this paper. This kind of a filter is a dimerlike heterostructure constructed by two 1D dielectric and magnetic PCs. Compared with traditional filters based upon 1D pure dielectric PCs, the new one has the advantage of ext[...]
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Journal of KONES
2013 Vol. 20, No. 4 485--492
EN The problems presented in this article deal with operation and maintenance process control in complex systems of technical object operation and maintenance. The article presents the description of the method concerning the control availability for technical objects (means of transport) on the basis [...]
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Applied Computer Science
EN The article depicts an evolutionary approach to simulation based optimization of a typical manufacturing system. Genetic algorithm with four different variants of genetic operators (crossover operator and type of selection) is compared to find the best optimization method. A comprehensive discussion[...]
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Foundations of Computing and Decision Sciences
EN In this paper, we consider the k-stage hybrid flow shop scheduling problem where the parallel machines are identical. Our study aims to provide a good approximate solution to this specific problem with the makespan (Cmax) minimization as the objective function. Considering the success of the Genetic[...]
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