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    Wyświetlanie 1-8 z 8
    Tytuł:
    RMS – system of the future or new trend in science?
    Autorzy:
    Gola, A.
    Konczal, W
    Powiązania:
    https://bibliotekanauki.pl/articles/103094.pdf
    Data publikacji:
    2013
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    reconfigurable manufacturing system
    RMS
    reconfigurability
    flexibility
    Opis:
    Manufacturing companies in the 21st century will face unpredictable, high-frequency market changes, driven by global competition. The article presents a new concept of manufacturing systems – which address these challenges - known as Reconfigurable Manufacturing Systems (RMS). The concept began in 1999 at University of Michigan and is widely developed in many scientific publications. The paper first analyses main features of RSP. The next sections are devoted to analyze basic assumptions of RMS design and technical measures of RMS. Finally, the answer for the question if the RMS has the perspective of wide industrial implementations is discussed.
    Źródło:
    Advances in Science and Technology. Research Journal; 2013, 7, 20; 35-41
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Koncepcja procesora rekonfigurowanego przeznaczonego do wspomagania widzenia maszynowego
    Concept of reconfigurable processor dedicated for machine vision system
    Autorzy:
    Kapruziak, M.
    Olech, B.
    Łazoryszczak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/155610.pdf
    Data publikacji:
    2007
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    rekonfigurowalność
    FPGA
    widzenie maszynowe
    reconfigurability
    machine vision
    Opis:
    W artykule zawarto początkowe wyniki projektu rozpoczętego na Politechnice Szczecińskiej i dotyczącego nowatorskiej metody realizacji systemu wizualnej inspekcji maszynowej płytek PCB. Nowością, której dotyczą badania, jest wykorzystanie elastycznych, dynamicznych algorytmów widzenia maszynowego, umożliwiających uwzględnienie w nich specyfiki rozpatrywanej aplikacji. Ze względu na dynamiczność algorytmów nie jest możliwe zaproponowanie w pełni strukturalnego rozwiązania, możliwego do realizacji w układach FPGA. Konieczne jest uwzględnienie procesu kosyntezy sprzętowo-programowej. Specyfika użytego procesu kosyntezy polega na tym, że oprogramowanie i sprzęt przeplatają się tutaj wzajemnie, nie tworząc konwencjonalnej struktury procesora i koprocesora ani nie wpisują się w znane architektury ISA współczesnych procesorów. Propozycja jednego takiego procesora, dedykowanego dla określonej klasy algorytmów widzenia maszynowego przedstawiona została w tym artykule.
    This article describes initial results of the project started on Technical University of Szczecin and concerning novel method to implement visual inspection system for PCB. The novel part being under analysis is the usage of flexible, dynamic algorithms for machine vision, which allow to introduce specific parts of the considered application directly into the algorithm structure. However dynamic algorithms are impossible to implement in purely structural way on FPGA devices. It is necessary to incorporate hardware/software codesign process into design methodology. The specific part of codesign methodology in this application is, that no conventional processor/co-processor or ISA architecture could be used. The proposal of one of those processors, dedicated for particular class of machine vision algorithms has been presented in this paper.
    Źródło:
    Pomiary Automatyka Kontrola; 2007, R. 53, nr 7, 7; 84-85
    0032-4140
    Pojawia się w:
    Pomiary Automatyka Kontrola
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Adaptive Resource Management and Flexible Radios for WiMAX
    Autorzy:
    Salazar, J.
    Gómez, I.
    Gelonch, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/308173.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    computing resource management
    radio resource management
    reconfigurability
    software radio platforms
    Opis:
    The availability of dynamic resource management will be crucial for the deployment of future wireless systems characterized by high data rate services with rigid quality of service demands. Flexible radios appear as the technological answer required to achieve constraint goals under different channel conditions and transmission scenarios. This paper is focused on enhancing another step of flexibility within the resource management by including an efficient handling of computing resources. This concept towards flexible architectures represents a key word for a real successful implementation due to the relationship between the radio applications, which face the scarcity of resources within a heterogeneous environment, and the processing power needed to execute them.
    Źródło:
    Journal of Telecommunications and Information Technology; 2009, 4; 101-107
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reconfigurable Antenna Arrays with Phase-only Control in the Presence of Near-field Nulls
    Autorzy:
    Buttazzoni, G.
    Vescovo, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/308578.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    antenna arrays
    near-field nulls
    phase-only control
    power synthesis
    reconfigurability
    Opis:
    In this paper an effective iterative method is presented for the power synthesis of reconfigurable antenna arrays. The algorithm is suitable for arrays of arbitrary geometry, including the case where a large number of elements is involved. The reconfigurability is achieved by phase-only control, so that the excitation amplitude of each array element remains constant during the reconfiguration process. Such amplitudes may be different from one array element to the others, and they are not assigned a priori, but are optimized. Furthermore, the electric field is imposed to vanish in a number of prescribed points of the near-field region, so that a strong field reduction is obtained in a neighborhood of them.
    Źródło:
    Journal of Telecommunications and Information Technology; 2017, 3; 88-93
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reconfigurable manufacturing system – a new class of manufacturing system
    Autorzy:
    Prasad, Durga
    Jayswal, S. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/407365.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    reconfigurable manufacturing system
    reconfigurability
    flexible manufacturing system
    flexibility
    reconfigurable machine tool
    Opis:
    Today’s manufacturing environment is highly uncertain, and it is continuously changing. It is characterized by shorter life cycles of products and technologies, shorter delivery times, an increased level of customization at the price of a standard product, increased product variety, quality as well as demand variability and intense global competition. Academicians, as well as practitioners, agree that uncertainty will continue to grow in the twenty-first century. To deal with the uncertainties in demand variation and production capacity a manufacturing system is required which can be easily reconfigured when there is a need at low cost. A reconfigurable manufacturing system is such a type of system. In the present work, the concept of the reconfigurable manufacturing system has been discussed and reviewed. It has been compared with dedicated systems and flexible manufacturing systems. Part family formation and barriers of reconfiguration also have been discussed. This work is an attempt to contribute to the conceptual systematization of the reconfigurable manufacturing system and reconfigurability by synthesizing the vast literature available after a systematic review.
    Źródło:
    Management and Production Engineering Review; 2019, 10, 4; 37-47
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Perturbation Element Effect on Frequency Stability in Dual Mode Reconfigurable Filters Based on Circular Microstrip Ring Resonators
    Autorzy:
    Albahnassi, Muhammad Haitham
    Malki, Adnan
    Almekdad, Shokri
    Powiązania:
    https://bibliotekanauki.pl/articles/227210.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    dual mode ring resonators
    dual-mode filters
    perturbation element arrangement
    BW reconfigurability
    Opis:
    A detailed study about the suitable perturbation element shape and location for tunable BW dual mode microstrip filter which has circular ring resonator is presented. BW tuning is achieved by resonator geometry modification. The study explains the effect of a perturbation element on the stability of the center frequency during BW tuning. Different cases have been studied for two shapes of perturbation element; which one is a rectangular and the other is a radial. The treated cases discuss whether the perturbation element is located in the inner or in the outer circumference of the ring, and whether it is a patch or a notch. BW tuning simulation treated the case of FBW3dB increase for two and three times. The best case of perturbation element which has the best center frequency stability has been modeled, simulated, and fabricated at 2.4 GHz. Geometry modification of the filter took into account the RF MEMS modeling. The filter has an elliptic frequency response, and its FBW has been increased in five steps from 1.7% to 5%. The designed filters were evaluated experimentally and by simulation with very good agreement.
    Źródło:
    International Journal of Electronics and Telecommunications; 2019, 65, 4; 731-737
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reconfigurability analysis for reliable fault-tolerant control design
    Autorzy:
    Khelassi, A.
    Theilliol, D.
    Weber, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/907596.pdf
    Data publikacji:
    2011
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    sterowanie tolerujące uszkodzenia
    rekonfigurowalność
    niezawodność
    fault tolerant control system
    reconfigurability
    reliability
    actuator faults
    Opis:
    In this paper the integration of reliability evaluation in reconfigurability analysis of a fault-tolerant control system is considered. The aim of this work is to contribute to reliable fault-tolerant control design. The admissibility of control reconfigurability is analyzed with respect to reliability requirements. This analysis shows the relationship between reliability and control reconfigurability defined generally through Gramian controllability. An admissible solution for reconfigurability is proposed according to reliability evaluation based on energy consumption under degraded functional conditions. The proposed study is illustrated with a flight control application.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2011, 21, 3; 431-439
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Concept of reconfigurability in interoperation manufacturing buffers for smart factory
    Autorzy:
    Grznár, Patrik
    Mozol, Štefan
    Vavrík, Vladimír
    Gabajová, Gabriela
    Furmannová, Beáta
    Powiązania:
    https://bibliotekanauki.pl/articles/104086.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    smart factory
    smart manufacturing
    interoperating production buffers
    agent control
    reconfigurability
    inteligentna fabryka
    Inteligentna produkcja
    bufory produkcyjne
    kontrola agentów
    rekonfigurowalność
    Opis:
    In this article, it is described how the reconfigurable inter-operational buffers system built on the Digital Twin platform. Interoperating production buffers are now widely used in production. Their effect on the production system can be seen in decreasing downtime. From a cost-based point of view, the interoperating production buffers may generate a gain from the reduction in the volume of work-in-process, with which we increase production performance. This ratio depends on the average number of products that the buffers contain. The average number of pieces in the buffer is limited by the capacity of the buffer. The impact of turbulence in production is seen precisely on the average content of inter-operational production buffers. If we want to maintain work-in-process on optimal values, it is necessary to calculate and maintain the optimal capacity of each interoperating production buffer on the line. In the context of Smart Factory, it is currently possible that the current capacity of the interoperating production buffers is maintained according to the current state of production. In the subject system, real production facilities communicate with each other through the IoT as autonomous agents, which are decided on the basis of a formula to calculate the optimal capacity of the buffers, the prediction of faults and negotiation, thus actively maintaining the optimal capacity of intermediate operating production buffers for Smart Factory support.
    Źródło:
    Quality Production Improvement - QPI; 2019, 1, 1; 575-582
    2657-8603
    Pojawia się w:
    Quality Production Improvement - QPI
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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