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Wyświetlanie 1-10 z 235
Tytuł:
Computer simulation of forest fire on the basis of digital maps and weather forecast
Autorzy:
Szajewska, A.
Powiązania:
https://bibliotekanauki.pl/articles/137030.pdf
Data publikacji:
2011
Wydawca:
Szkoła Główna Służby Pożarniczej
Tematy:
computer simulation
fire modeling system
forest fire
digital maps of forest
Opis:
The article presents the integration of digital topographic map of forests and short-term weather forecast al lowing to conduct a computer simulation of forest fire. To execute a simulation, a software was produced. The software includes deterministic mathematical model of forest fire, programmed on the basis of developed assumptions. Creation of mentioned environment simulation was based on a need for the optimum planning of extinguishing actions in local fire service centres.
Źródło:
Zeszyty Naukowe SGSP / Szkoła Główna Służby Pożarniczej; 2011, 42; 7-14
0239-5223
Pojawia się w:
Zeszyty Naukowe SGSP / Szkoła Główna Służby Pożarniczej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fractional discrete model of an electrical drive with brushless micro-motor
Autorzy:
Matusiak, M.
Bąkała, M.
Wojciechowski, R.
Ostalczyk, P.
Powiązania:
https://bibliotekanauki.pl/articles/200454.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
system modeling
system identification
fractional order calculus
Opis:
The use of fractional-order calculus for system modeling is a good alternative to well-known classic integer-order methods, primarily due to the precision with which the modeled object may be mapped. In this study, we created integer and fractional discrete models of a real object – a highspeed brushless micro-motor. The accuracy of the models was verified and compared.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 3; 421-427
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ uproszczeń stosowanych w procesie modelowania matematycznego na wartości obciążeń układu szkieletowo-mięśniowego kręgosłupa
The influence of simplifications used in mathematical modeling process on the loads in the lumbar spine
Autorzy:
Zadoń, H.
Michnik, R.
Nowakowska, K.
Powiązania:
https://bibliotekanauki.pl/articles/99210.pdf
Data publikacji:
2018
Wydawca:
Politechnika Śląska. Katedra Biomechatroniki
Tematy:
modelowanie matematyczne
AnyBody Modeling System
odcinek lędźwiowy kręgosłupa
obciążenie
mathematical modelling
lumbar spine
load
Opis:
Celem niniejszej pracy było porównanie dwóch różnych sposobów modelowania matematycznego układu ruchu człowieka oraz określenie ich wpływu na uzyskane wartości obciążeń występujących w odcinku lędźwiowym kręgosłupa podczas podnoszenia 10kg przedmiotu ze stołu. W pracy skupiono się na określeniu wpływu ułożenia miednicy na uzyskiwane wartości sił reakcji. Symulacje ruchu przeprowadzono z wykorzystaniem modelu matematycznego StandingModel, który został opracowany w środowisku AnyBody Modeling System.
The aim of this study was to compare two different methods of mathematical modeling of the musculoskeletal system and to determine their impact on values of loads in the lumbar spine during lifting 10kg object from the table. Simulations were performed by using a mathematical model of human body - StandingModel in the AnyBody Modeling System.
Źródło:
Aktualne Problemy Biomechaniki; 2018, 16; 33-39
1898-763X
Pojawia się w:
Aktualne Problemy Biomechaniki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Information System of Coffee Product Sales
Autorzy:
Krasilchuk, Svitlana
Shestakevych, Tetiana
Powiązania:
https://bibliotekanauki.pl/articles/1833892.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
marketplace
sales
system modeling
coffee product sales
Opis:
Forced to develop the online component of the sales strategy, small and medium business requires well-designed information systems and technologies, that will fulfill all the needs and allow working in an actual – distant – business environment. Using digital platforms sometimes became a matter of need for coffee trading. Although digital marketplaces exist in a variety of branches, the specialized platform seems to be the better choice for coffee products sales because of its international specifics. Modeling the process of tasks performing in the information system of coffee products sales, its dynamic aspects, time-ordered interaction of objects in it, will allow designing thoroughly thought out information system, realized with actual software methods and means.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2020, 9, 1; 3--9
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
UML Simulation of a Topology Configuration Model
Autorzy:
Zieliński, Z.
Stasiak, A.
Dąbrowski, W.
Powiązania:
https://bibliotekanauki.pl/articles/307600.pdf
Data publikacji:
2012
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
configuration topology
system modeling
UML model simulation
Opis:
The article presents the application of simulation methods for topological models to analyze and design information systems. By using UML extensions and the UAL language it is possible not only to build a topological model for software, but also to perform efficient simulations of topological models. Additionally, it is possible to take into account the restrictive conditions stored in UAL and OCL languages. To execute the simulation the authors used an simulator from IBM. These concepts and methods are illustrated by examples.
Źródło:
Journal of Telecommunications and Information Technology; 2012, 4; 46-53
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Agents and Multi-agent Systems in the Management of Electric Energy Systems
Autorzy:
Bitimanova, Saltanat
Shukirova, Aliya
Powiązania:
https://bibliotekanauki.pl/articles/24200526.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
communication protocol
electricity consumption
control system
planning
system modeling
Opis:
Electric energy systems need constant modernization and updating to solve such problems as distributed management, self-sealing, improving the quality of electricity, demand management, and integration of renewable energy systems. Currently, energy systems need advanced and intelligent technologies to perform various system-level tasks. The purpose of this research is to analyze the existing control systems of electric energy systems, as well as to consider the possibility of using multi-agent systems to control electric energy systems. To achieve the aim of the research, the following scientific approaches were implemented: method of direct research, experimental method, questioning, comparative method, analysis method, and method of observation. The primary value of the research is in the novelty of the work and the fact, that functional components in multi-agent systems act as independent agents, which can interact with each other through a message communication system. This provides a simple connection between the components, which can benefit complex systems designed for an intelligent network. The intelligent network provides an efficient energy management system, and the modernization of the existing power system using a multi-agent system provides solutions to many problems. The best implementation of a multi-agent system can be achieved through the employment of fast and protected communication protocols. The authors of the research have conducted research and presented key statistical data on electricity usage in Kazakhstan over the past few years. The practical significance of the research is determined by the applied results, and their scientific significance, which is conditioned upon the use of deep, modern mathematical results and the development of an optimal control system. This research is a part of a universal model and optimal system of emergency quick response, conducting a quick preliminary prognosis as well as ensuring more lasting planning in electricity consumption.
Źródło:
Management and Production Engineering Review; 2023, 14, 2; 99--110
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Management of development of manufacturing enterprises in decentralization conditions
Autorzy:
Usov, Anatolii V.
Niekrasova, Liubov A.
Dašić, Predrag V.
Powiązania:
https://bibliotekanauki.pl/articles/1841389.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
development
manufacturing enterprise
system modeling
production system
strategic planning
Opis:
This article summarizes the arguments and counterarguments within the scientific discussion on identifying the enterprise’s state to evaluate its effectiveness and optimize the target functions in solving enterprise development problems. The proposed scientific and methodological approach to modeling the enterprise development management system under decentralization conditions and its practical implementation makes it possible to determine the dominant development parameters of manufacturing enterprises that influence the United Territorial Community and to timely track the impulses and space of the United Territorial Community state, taking into account the PS state as parameters for its development. The proposed analysis of the Production System state within the United Territorial Community framework and evaluating its development dynamics shows the necessity of forming a system of generalized vector-scalar, situationally oriented indicators.
Źródło:
Management and Production Engineering Review; 2020, 11, 4; 46-55
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Management of development of manufacturing enterprises in decentralization conditions
Autorzy:
Usov, Anatolii V.
Niekrasova, Liubov A.
Dašić, Predrag V.
Powiązania:
https://bibliotekanauki.pl/articles/1841402.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
development
manufacturing enterprise
system modeling
production system
strategic planning
Opis:
This article summarizes the arguments and counterarguments within the scientific discussion on identifying the enterprise’s state to evaluate its effectiveness and optimize the target functions in solving enterprise development problems. The proposed scientific and methodological approach to modeling the enterprise development management system under decentralization conditions and its practical implementation makes it possible to determine the dominant development parameters of manufacturing enterprises that influence the United Territorial Community and to timely track the impulses and space of the United Territorial Community state, taking into account the PS state as parameters for its development. The proposed analysis of the Production System state within the United Territorial Community framework and evaluating its development dynamics shows the necessity of forming a system of generalized vector-scalar, situationally oriented indicators.
Źródło:
Management and Production Engineering Review; 2020, 11, 4; 46-55
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modeling of circulatory system with coronary circulation and the POLVAD ventricular assist device
Autorzy:
Siewnicka, A.
Fajdek, B.
Janiszowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/384942.pdf
Data publikacji:
2012
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
PExSim
modeling of the circulatory system
modeling of the coronary system
modeling of the ventricular assist device
POLVAD
Opis:
This paper presents an application of a numerical package for modeling and simulation of human circulatory system. The model includes a coronary circulation and the parallel heart assistance. The cases of the simulation of the proper and the pathology circulation conditions, such as left or right heart failure are shown. A description of the coronary circulation system is presented and obtained coronary sinus occlusion simulation results are included. An implementation of the whole package as a part of PExSim application is contained. The identification experiment for the ventricular assist device has been described and different methods of the artificial ventricle modeling are presented. An example of use of a fuzzy logic to presentation the dynamics of the POLVAD device is also included. Advantages of developed simulation platform are discussed.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2012, 6, 4; 7-12
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of the pelvis position in the sagittal plane on loads in the human musculoskeletal system
Autorzy:
Michnik, Robert
Zadoń, Hanna
Nowakowska-Lipiec, Katarzyna
Jochymczyk-Woźniak, Katarzyna
Myśliwiec, Andrzej
Mitas, Andrzej W.
Powiązania:
https://bibliotekanauki.pl/articles/27324108.pdf
Data publikacji:
2020
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
mathematical modeling
Anybody Modeling System
loads
lumbo-pelvic-hip complex
physiotherapy
physiopromotion
modelowanie matematyczne
system modelowania dla każdego
masa
kompleks lędźwiowo-miedniczo-biodrowy
fizjoterapia
fizjopromocja
Opis:
Purpose: The research work aimed to perform the mathematical modelling-based assessment concerning the effect of the position of the pelvis in the sagittal plane on loads present in the musculoskeletal system in the standing position. Methods: The analysis of the effect of various positions of the pelvis was performed using the Free Posture Model in the AnyBody Modeling System software. Simulated positions involving various values of pelvis inclination ranged from the extreme pelvic retroposition (–7°) through normative values (0–23°) to the extreme pelvic anteversion (33°). Results: The lowest resultant reaction forces in the intervertebral joints recorded for an angle of inclination restricted within the range of 9–27° and segment L5–S1 amounted to less than 0.7 BW. A change in the pelvic inclination from the normative values towards retroposition or anteversion resulted in the increased muscular activity of the erector spinae, transverse abdominal muscles as well as internal and external oblique muscles. Regarding the lower limbs, changes in the activity were observed in the biceps femoris muscle, iliac muscle, gluteus minimus, gluteus medius and the gluteus maximus. Conclusion: The results obtained in the research-related tests confirmed that the pelvic inclination affects loads present in the musculoskeletal system. The abovenamed results will be used to develop therapeutic exercises aimed to reduce loads present in the musculoskeletal system. The aforesaid exercises will be used to teach participants how to properly position their pelvis and how to activate individual groups of muscles.
Źródło:
Acta of Bioengineering and Biomechanics; 2020, 22, 3; 33--42
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 235

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