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Wyszukujesz frazę "optimization problems" wg kryterium: Temat

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    Wyświetlanie 1-6 z 6
    Tytuł:
    A manufacturing network for generating added value from a geographical distance for the next generation
    Autorzy:
    Yukawa, K.
    Kawakami, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/99988.pdf
    Data publikacji:
    2011
    Wydawca:
    Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
    Tematy:
    virtual concentration
    optimization problems
    value-added network
    Opis:
    n this study, we suggested a manufacturing network for generating added value from a geographical distance in terms of value creation from various management resources. Until today, most researchers focused on the Real Concentration of Production Base, which provides certain manufacturing benefits in these domains. However, "the Virtual Concentration of Production Bases" is realized by overcoming large physical distances and time differences between production bases, and creates greater added value for products. We attempted the simulation of the manufacturing network of creating the added value after having shown the new framework of network analysis in the manufacturing system.
    Źródło:
    Journal of Machine Engineering; 2011, 11, 3; 44-57
    1895-7595
    2391-8071
    Pojawia się w:
    Journal of Machine Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Solving Markov decision processes by d-graph algorithms
    Autorzy:
    Kátai, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/205688.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    Markov decision processes
    dynamic programming
    graph representation
    graph algorithms
    optimization problems
    Opis:
    Markov decision processes (MDPs) provide a mathematical model for sequential decisionmaking (sMDP/dMDP: stochastic/ deterministic MDP). We introduce the concept of generalized dMDP (g-dMDP) where each action may result in more than one next (parallel or clone) state. The common tools to represent dMDPs are digraphs, but these are inadequate for sMDPs and g-dMDPs. We introduce d-graphs as general tools to represent all the above mentioned processes (stationary versions). We also present a combined d-graph algorithm that implements dynamic programming strategies to find optimal policies for the finite/infinite horizon versions of these Markov processes. (The preliminary version of this paper was presented at the Conference MACRo 2011.)
    Źródło:
    Control and Cybernetics; 2012, 41, 3; 577-593
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Elements of Method Improvement of Flood Zones Determination
    Autorzy:
    Kryzhovets, Tetiana
    Powiązania:
    https://bibliotekanauki.pl/articles/1833889.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    stochastic models
    methods of extreme estimation
    optimization problems
    software
    automated information systems
    Opis:
    The article suggests a possible application of mathematical modeling zones and flooding characteristics that will improve the methodological basis in hydrological calculations and forecasting will provide opportunities for a better understanding of the complex mechanisms of formation flow. The computational scheme is applicable for vertically homogeneous flow conditions extending from steep river flows to tidal influenced estuaries. The system has been used in numerous engineering studies.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2020, 9, 1; 25--29
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Routing flow-shop with buffers and ready times - comparison of selected solution algorithms
    Autorzy:
    Józefczyk, J.
    Markowski, M.
    Balgabaeva, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/406986.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    manufacturing systems
    operations research
    complex systems
    optimization problems
    scheduling algorithms
    routing algorithms
    heuristics
    computer simulation
    Opis:
    This article extends the former results concerning the routing flow-shop problem to minimize the makespan on the case with buffers, non-zero ready times and different speeds of machines. The corresponding combinatorial optimization problem is formulated. The exact as well as four heuristic solution algorithms are presented. The branch and bound approach is applied for the former one. The heuristic algorithms employ known constructive idea proposed for the former version of the problem as well as the Tabu Search metaheuristics. Moreover, the improvement procedure is proposed to enhance the quality of both heuristic algorithms. The conducted simulation experiments allow evaluating all algorithms. Firstly, the heuristic algorithms are compared with the exact one for small instances of the problem in terms of the criterion and execution times. Then, for larger instances, the heuristic algorithms are mutually compared. The case study regarding the maintenance of software products, given in the final part of the paper, illustrates the possibility to apply the results for real-world manufacturing systems.
    Źródło:
    Management and Production Engineering Review; 2014, 5, 4; 26-35
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Process of market strategy optimization using distributed computing systems
    Autorzy:
    Nowicki, W.
    Bera, A.
    Błaszyński, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/407280.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    economic systems
    financial system
    moving average models
    optimization problems
    performance analysis
    prediction methods
    prediction problems
    project management
    work organization
    Opis:
    If market repeatability is assumed, it is possible with some real probability to deduct short term market changes by making some calculations. The algorithm, based on logical and statistically reasonable scheme to make decisions about opening or closing position on a market, is called an automated strategy. Due to market volatility, all parameters are changing from time to time, so there is need to constantly optimize them. This article describes a team organization process when researching market strategies. Individual team members are merged into small groups, according to their responsibilities. The team members perform data processing tasks through a cascade organization, providing solutions to speed up work related to the use of remote computing resources. They also work out how to store results in a suitable way, according to the type of task, and facilitate the publication of a large amount of results.
    Źródło:
    Management and Production Engineering Review; 2015, 6, 4; 87-93
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of membership function parameters for fuzzy controllers of an autonomous mobile robot using the flower pollination algorithm
    Autorzy:
    Carvajal, O. R.
    Castillo, O.
    Soria, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/385152.pdf
    Data publikacji:
    2018
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    Flower Pollination Algorithm
    FPA
    membership functions
    optimization problems
    fuzzy system
    algorytm zapylenia kwiatowego
    problemy optymalizacyjne
    system rozmyty
    Opis:
    In this work we describe the optimization of a Fuzzy Logic Controller (FLC) for an autonomous mobile robot that needs to follow a desired path. The FLC is for the simulation of its trajectory, the parameters of the membership functions of the FLC had not been previously optimized. We consider in this work with the flower pollination algorithm (FPA) as a method for optimizing the FLC. For this reason, we use the FPA to find the best parameters with the objective of minimizing the error between the trajectory of the robot and the reference. A comparative study of results with different metaheuristics is also presented in this work.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2018, 12, 1; 44-49
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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