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    Wyświetlanie 1-19 z 19
    Tytuł:
    Wybór typu Szlaku Kultury Łużyckiej w Powiecie Będzińskim – dylematy decyzyjne
    Selecting the type of the Lusatian Culture Route in District of Będzin – decision-making dilemmas
    Autorzy:
    Czekajski, Marek
    Powiązania:
    https://bibliotekanauki.pl/articles/593382.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Metoda SMART
    Regionalna turystyka kulturowa
    Strukturyzacja problemu decyzyjnego
    Szlaki dziedzictwa kulturowego
    Cultural heritage routes
    Decision problem structuring
    Regional cultural tourism
    SMART method
    Opis:
    Tematyczne szlaki kulturowe cieszą się coraz większym zainteresowaniem i popularnością. Nie tylko przyciągają uwagę znawców i ekspertów, lecz także stanowią interesującą i oryginalną ofertę turystyki kultury wysokiej. Poruszona w artykule problematyka obejmuje zagadnienia dotyczące utworzenia Szlaku Kultury Łużyckiej w Powiecie Będzińskim, składającego się z miejsca byłej osady obronnej, byłych cmentarzysk, punktów osadnictwa, miejsc różnych znalezisk luźnych. Przedstawione zostały plany i pomysły związane z utworzeniem szlaku oraz zaprezentowano dotychczasowe działania koncepcyjne w kwestii tworzenia alternatywnych typów szlaku. W pracy wykorzystano metody miękkich badań operacyjnych, ukierunkowane na wspomaganie procesu definiowania problemu decyzyjnego przy pomocy algorytmu PrOACT i jego strukturyzacji na potrzeby wielokryterialnej oceny. Zaprezentowano metodę SMART w analizie decyzyjnej dotyczącej najefektywniejszego wyboru spośród różnych typów szlaku: tradycyjnego, niewytyczonego, wirtualnego czy też questingowego.
    Thematic cultural routes become increasingly popular and they are object of interest. They attract not only specialists and experts, but they also provide an interesting and original offer of high culture tourism. The topic covered in the article concerns the creation of the Lusatian Culture Route in District of Będzin consisting of the site of the former defensive settlement, former cemeteries, settlement points, places of various loose finds. Plans and ideas related to the creation of the route have been presented and the existing conceptual activities on the creation of alternative types of the route have been also presented. The purpose of the paper is to identify the possibility of using an analytical approach to identify the problem and objectives of decision-makers (authorities of local government units) whose competence is related to the creation of such a cultural route. In this paper, there will be used „soft” operations research methods which are directed to support the process of defining a decision problem using the PrOACT algorithm and its structuring for multicriteria evaluation. The SMART method will be presented in the decision analysis for optimal selection of different types of the route: traditional, not marked out, virtual or questing.
    Źródło:
    Studia Ekonomiczne; 2018, 364; 7-27
    2083-8611
    Pojawia się w:
    Studia Ekonomiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Foresight-forecasting in the system of recreational land management
    Autorzy:
    Bulysheva, Daria
    Movchan, Tetiana
    Malashuk, Oksana
    Powiązania:
    https://bibliotekanauki.pl/articles/1836654.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    teren rekreacyjny
    użytkowanie gruntów
    zrównoważony rozwój rolnictwa
    foresight
    SMART-method
    STEEPLE-analysis
    recreational land use
    strategy of ecologization
    Opis:
    The study is devoted to the study of strategic vectors for the development of recreational lands. It is proved that in the current state of the recreational lands of the EU countries there are certain obstacles on the way to the sustainable development of the respective territories. The recreational sphere is deprived of the possibility of balanced development due to the problems of inefficient use of the lands of the respective territories. These lands cannot provide both the need for recreation and the necessary protection and restoration of the environment due to the negative anthropogenic impact. The author’s definition of the term "land strategizing" is given. The components, functions, subjects and the effect of the implementation of the strategy of recreational territories are determined. The proposals for the implementation of the land strategy process using the methodology of foresight forecasting of recreational land use have been developed. The scientifically grounded stages of Foresight forecasting and methods of their implementation from the set of Foresight forecasting methodology are proposed. The logical-structural scheme of land planning for recreational territories based on the foresight methodology is presented. Also the procedure for the foresight methodology implementation in the direction of sustainable management of recreational land use is proposed.
    Źródło:
    Geodesy and Cartography; 2021, 70, 1; 27-43
    2080-6736
    2300-2581
    Pojawia się w:
    Geodesy and Cartography
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of standardisation method on smart city ranking
    Autorzy:
    Sojda, Adam
    Wolny, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/1931558.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    standardization method
    Smart City
    Eurostat
    metody standaryzacji
    Opis:
    Purpose: The main purpose of the work is to present the impact of standardisation methods on the ranking results. The second purpose of the article was to present Warsaw’s position in comparison with the capitals of countries from the Eurozone. Design/methodology/approach: Major European cities were assessed using Eurostat data. The proprietary Smart City Index (SCI) indicator is proposed for the study, referring to six areas of Smart City assessment. Two measures are indicated in each of them. The first is an objective measure, while the second is a subjective measure, based on the opinion of the city’s residents about the situation in the city, or their own situation. Building rankings of the cities, following normalisation methods were used and compared: unitisation, unitisation with zero minimum, normalisation in range [-1, 1], classical standardisation, Weber standardisation and two quotient methods. Findings: The best results were obtained for the classical standardisation. For this method we obtained the smallest number of consistent positions in rankings and the minimal maximum of distance between the positions in rankings. The position of Warsaw as a city in 16th position (20 of all) was confirmed regardless of the standardization method used. Originality/value: There is proposed an original method to assess cities based on Eurostat data. This method allows construction of Smart City ranking. The main value of the work is that the classical standardisation is recommended to transform the original values of individual indicators.
    Źródło:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2020, 142; 83-94
    1641-3466
    Pojawia się w:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fast one-cycle frequency estimation of a single sinusoid in noise using downsampled linear prediction model
    Autorzy:
    Duda, Krzysztof
    Zieliński, Tomasz P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2052172.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    frequency estimation
    linear prediction
    Prony method
    smart DFT
    Opis:
    A new solution to the problem of frequency estimation of a single sinusoid embedded in the white Gaussian noise is presented. It exploits, approximately, only one signal cycle, and is based on the well-known 2nd order autoregressive difference equation into which a downsampling is introduced. The proposed method is a generalization of the linear prediction based Prony method for the case of a single undamped sinusoid. It is shown that, thanks to the proposed downsampling in the linear prediction signal model, the overall variance of the least squares solution of frequency estimation is decreased, when compared to the Prony method, and locally it is even close to the Cramér-Rao Lower Bound, which is a significant improvement. The frequency estimation variance of the proposed solution is comparable with, computationally more complex, the Matrix Pencil and the Steiglitz-McBride methods. It is shown that application of the proposed downsampling to the popular smart DFT frequency estimation method also significantly reduces the method variance and makes it even better than the least squares smart DFT. The noise immunity of the proposed solution is achieved simultaneously with the reduction of computational complexity at the cost of narrowing the range of measured frequencies, i.e. a sinusoidal signal must be sufficiently oversampled to apply the proposed downsampling in the autoregressive model. The case of 64 samples per period with downsampling up to 16, i.e. 1/4th of the cycle, is presented in detail, but other sampling scenarios, from 16 to 512 samples per period, are considered as well.
    Źródło:
    Metrology and Measurement Systems; 2021, 28, 4; 661-672
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of the volume fraction of the carbonyl iron particles on the mechanical properties of the magnetorheological elastomers
    Autorzy:
    Sławiński, G.
    Niezgoda, T.
    Miedzińska, D.
    Gieleta, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/247437.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    smart materials
    magnetorheological elastomer (MRE)
    finite element method (FEM)
    Opis:
    Magnetorheological materials belong to the group of the so called intelligent materials. Their rheological properties can be changed in a large range using an external magnetic field. That is why they fmd ever growing application in modern technical equipment, among others in controlled dampers, clutches, sensors etc. In the paper, a numerical strength analysis of a magnetorheological material was presented. The influence of the volume fraction of carbonyl iron particles (the share of the carbonyl iron particles varied from 1.5 to 33.0 vol. %.) on the mechanical properties of the material were investigated, in particular on the Young's modulus variation. Experimental tests were carried out for specimens made of pure PU 70/30 elastomer with iron particles. They induded uniaxial compression tests. In the farmer case, specimens were in a shape of a cylinder with a diameter of 20 mm and a height of 25-30 mm. The results of experimental tests carried out in order to determine the parameters necessary to build the numerical model were induded in the paper. In the paper, an algorithm developed for determining the parameters for modelling the structure was presented. A fragment of the structure, containing several particles of iron and some quantity of elastomer, corresponding to the assumed volume fractions, was subjected to numerical analysis.
    Źródło:
    Journal of KONES; 2010, 17, 3; 401-406
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Smart City index based on topsis method
    Autorzy:
    Sojda, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/1927453.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    Smart City
    TOPSIS method
    linear ordering
    metoda TOPSIS
    porządkowanie liniowe
    Opis:
    Purpose: The construction of rankings is an important element of city assessment consistent with the Smart City concept. New rankings appear periodically. New sets of variables or concepts for ranking are proposed. The article is part of this trend. Design/methodology/approach: The article combines the hierarchical structure of areas and indicators used in Smart City assessment with the concept of multidimensional assessment of facilities using the TOPSIS method. Findings: Assessment of the possibility of using the presented method to evaluate both individual areas of the city operation combined with an overall assessment. Originality/value: The most important achievement of this article is the proposal of the concept of city evaluation using the TOPSIS (SCI2T) method. An assessment of selected cities based on the proposed method is also presented.
    Źródło:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2020, 148; 709-718
    1641-3466
    Pojawia się w:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The examples of modern solutions in the field of waste management in circular economy model transformation
    Autorzy:
    Muweis, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/101289.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    municipal waste
    National Smart Specialisations
    innovative method
    waste management field
    Opis:
    The work examines the role of innovative solutions in order to make more efficient use of waste and the reduction of their storage. Such solutions are necessary in the transformation process of linear economy to circular model. In the new model, the role of waste is being changed. Waste has not yet been treated as a by-product of economic activity but as a valuable resource that can be reused in the production process. There were also analysed how extent is the development of innovativeness in Poland in comparison to other European Union Member Countries. There is also analysed the direction of changes in the waste management field, especially in the structure of municipal waste. Another aim is to examine the examples of the Polish enterprises acting in waste management sector and the kind of innovative methods they use. In the article there were also presented supportive tools for implementing innovations in enterprises, with a focus on the waste management. They include among others: National Smart Specialisations and Regional Smart Specialisations.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2017, IV/3; 1785-1797
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Using individual and common reference points to measure the performance of alternatives in multiple criteria evaluation
    Autorzy:
    Roszkowska, Ewa
    Filipowicz-Chomko, Marzena
    Wachowicz, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/1181960.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    reference point
    aspiration level
    distance measure
    MCDM method
    smart growth
    Opis:
    When evaluating or ordering alternatives concerning given multiple criteria, decision-makers often use aspiration and reservation levels for criteria, which allows them to define some reference alternatives that build a common framework for the evaluation. In this paper, new multiple criteria approach, called distances to aspiration reference points (DARP), is presented, which can be implemented in a specific evaluation or ranking problem when many different aspiration levels should be taken into consideration. One example of such problem is measuring sustainable development of countries or states within the Union. In DARP, to measure the performance of alternative (state), the notion of distances between alternative and individual or common aspiration reference points is used. To manage the problem of different reference points, a modified max-min normalisation technique is proposed. DARP application for measuring smart growth of the EU countries is conducted to demonstrate the effectiveness of the proposed method.
    Źródło:
    Operations Research and Decisions; 2020, 30, 3; 77--96
    2081-8858
    2391-6060
    Pojawia się w:
    Operations Research and Decisions
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Metoda projektowania systemów smart cities bazowana na case based reasoning
    Smart cities system design method based on case based reasoning
    Autorzy:
    Orłowski, Cezary
    Sitek, Tomasz
    Ziółkowski, Artur
    Kapłański, Paweł
    Orłowski, Aleksander
    Pokrzywnicki, Witold
    Powiązania:
    https://bibliotekanauki.pl/articles/1827561.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Gdańska
    Tematy:
    Smart Cities
    Case Based Reasoning Method
    decision support systems
    knowledge management
    Opis:
    The objective of this paper is to present the results of research carried out to develop a design method for Smart Cities systems. The method is based on the analysis of design cases of Smart Cities systems in cities, the selection of the city appropriate to the requirements for implementation and application. The Case Based Reasoning method was used to develop the proposed design methodology, along with mechanisms of the conversion of project processes and roles to Rational Unified Processes (RUP). The prerequisite for the proposed method is that the enterprise manager must be knowledgeable about high-level Smart Cities system architecture and the design framework applied. The authors, being themselves knowledgeable about architecture of this kind and about project environments which implement KPI models, propose a generic solution applicable to any environments and system architectures.
    Celem artykułu jest prezentacja wyników badań nad opracowaniem metody projektowania systemów Smart Cities. Metoda ta bazuje na analizie przypadków projektowania systemów Smart Cities w miastach, wyborze spełniającego wymagania zdecydowanego na wdrożenie ośrodka i zastosowaniu. Do budowy proponowanej metody projektowania wykorzystano Case Based Reasoning oraz mechanizmy konwersji procesów i ról projektowych do procesów zunifikowanych RUP. Warunkiem stosowania proponowanej metody jest wiedza kierującego przedsięwzięciem o wysokopoziomowej architekturze systemu Smart Cities oraz stosowanych ramach projektowych. Autorzy posiadając wiedzę o takiej architekturze, a także o środowiskach projektowych implementujących modele KPI, proponują rozwiązanie generyczne, które mogą być wykorzystywane dla dowolnych środowisk i architektur systemów.
    Źródło:
    Przedsiębiorstwo we współczesnej gospodarce - teoria i praktyka; 2015, 2-3, 13; 41-61
    2084-6495
    Pojawia się w:
    Przedsiębiorstwo we współczesnej gospodarce - teoria i praktyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The potential of smart development of urban-rural communes in peripheral region (a case study of the Lublin Region, Poland)
    Autorzy:
    Guzal-Dec, Danuta
    Zwolińska-Ligaj, Magdalena
    Zbucki, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/2135539.pdf
    Data publikacji:
    2019-05-04
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    Smart villages concept
    operacionalization of smart village potential
    the method of zero-state unitarisation
    peripheral region
    urban-rural communes
    Opis:
    The purpose of the work is to characterize the potential for the smart development of urban-rural communes of the Lublin Province as potential catalysts for the implementation of the smart villages' concept. In order to determine the potential for the smart development, the zero-unitarization method was used. In specific areas of smart village concept a synthetic index was determined. The study negatively verified the relationship between the level of potential for the smart development of the studied communes and the accessibility of transport and communication of the region's capital. The study also revealed a positive correlation between the size of the urban centre in the urban-rural commune and the level of the potential of smart development of urban-rural communes.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2019, 23, 2; 85-91
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Linear ordering of cities in the smart city concept
    Autorzy:
    Sojda, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/1861060.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    smart city
    Eurostat
    Hellwig method
    TOPSIS method
    linear ordering
    miasto inteligentne
    metoda Hellwiga
    metoda TOPSIS
    porządkowanie liniowe
    Opis:
    Purpose: Linear ordering is an important issue for evaluating multi-attribute objects. The issue of assessing cities in the context of their rating in the light of the smart city concept is a linear programming issue. The primary purpose of the article is to report the results of linear ordering obtained based on different methods and to present comparative analyses. Design/methodology/approach: The data presented in the article are based on EUROSTAT. It refers to indicators characterising selected European capitals. Findings: Based on the indicators selected from the database, the ranking of cities is determined based on the presented methods. The results obtained were used for benchmarking. Originality/value: The most significant value of the work is the benchmarking that was carried out. The analysis proved that the TOPSIS method showed that the result obtained was similar to that obtained by SCI.
    Źródło:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2020, 149; 621-630
    1641-3466
    Pojawia się w:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the use of smart glasses in IRS logistics
    Autorzy:
    Binar, Tomas
    Vasikova, Simona
    Safl, Pavel
    Powiązania:
    https://bibliotekanauki.pl/articles/2203078.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    smart glasses
    logistyka magazynowa
    metoda Saaty'ego
    logistyka IRS
    warehouse logistics
    Saaty’s method
    IRS logistics
    Opis:
    To effectively transport materials through different means of transport, it is essential to have an optimized warehouse logistics first. Thanks to the Industry 4.0 platform, there are several ways to accomplish the delivery of materials from a warehouse through transport by road, rail or air. This paper deals with a primary warehouse problem, which is the fast and accurate search and selection of required items in the stock. For this issue, the use of smart glass technology and its implementation in the logistic processes of warehouses could help. In a particular way, an IRS (Integrated Rescue System) warehouse was selected as an example. The augmented reality (AR) type of glasses was selected. The introductory part of this paper deals with the current situation in the warehouse and logistic processes, where the problem of lack of qualified staff and material supply is prevalent, particularly during different crisis situations, such as pandemics or high employee turnovers. The use of smart glasses is one of the many possible problem-solving variants in this field. Further, a basic description of smart glasses, possible uses and sorting are presented in this paper. For the experiment, it was necessary to choose several different commercially available models of smart glasses. An evaluation was provided by the Simple comparative method, Saaty's method and Linear partial utility function method and the best options were identified. Also, there is an example of smart glasses application for picking a particular component in an IRS warehouse in the last part of this paper.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2022, 117; 23--42
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Different fractional order models for an experimental smart beam system
    Autorzy:
    Markowski, K. A.
    Birs, I.
    Muresan, C. I.
    Prodan, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/200269.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    realization
    fractional calculus
    fractional order system identification
    smart beam system
    digraphs method
    realizacja
    rachunek różniczkowy
    system ułamkowy
    Opis:
    The applicability of fractional calculus in system engineering outperforms classic identification techniques due to its ability to depict physical phenomena with increased accuracy. The present study explores the increased accuracy and flexibility of a fractional order model applied to an experimental smart beam depicting an airplane wing. The paper details the fractional order system identification of the beam and explores the possibility of realization of the model.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2018, 66, 4; 485-493
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Smart Substation Network Fault Classification Based on a Hybrid Optimization Algorithm
    Autorzy:
    Xia, Xin
    Liu, Xiaofeng
    Lou, Jichao
    Powiązania:
    https://bibliotekanauki.pl/articles/227220.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    smart substation
    network fault classification
    improved separation interval method (ISIM)
    support vector
    machine (SVM)
    Anti-noise processing (ANP)
    Opis:
    Accurate network fault diagnosis in smart substations is key to strengthening grid security. To solve fault classification problems and enhance classification accuracy, we propose a hybrid optimization algorithm consisting of three parts: anti-noise processing (ANP), an improved separation interval method (ISIM), and a genetic algorithm-particle swarm optimization (GA-PSO) method. ANP cleans out the outliers and noise in the dataset. ISIM uses a support vector machine (SVM) architecture to optimize SVM kernel parameters. Finally, we propose the GA-PSO algorithm, which combines the advantages of both genetic and particle swarm optimization algorithms to optimize the penalty parameter. The experimental results show that our proposed hybrid optimization algorithm enhances the classification accuracy of smart substation network faults and shows stronger performance compared with existing methods.
    Źródło:
    International Journal of Electronics and Telecommunications; 2019, 65, 4; 657-663
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modelling of the acoustic wave scattering on the aircraft surface using the boundary element method
    Autorzy:
    Nowicki, Dawid
    Suder-Dębska, Katarzyna
    Czajka, Ireneusz
    Powiązania:
    https://bibliotekanauki.pl/articles/24201977.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Poznańska. Instytut Mechaniki Stosowanej
    Tematy:
    sound localization
    boundary element method
    sound scattering
    noise
    aircraft
    Smart Acoustics
    lokalizacja dźwięku
    metoda elementów brzegowych
    rozproszenie dźwięku
    hałas
    samolot
    Opis:
    Sound localization tools are important in the environmental protection and the human searches. The article is one of the stages of the implementation of the concept of using aircraft to localize sound sources. The use of a fixed-wing aircraft instead of a multirotor would increase the total flight time, and expand the surveyed area. It is important to determine the most favourable positions of the receivers on the surface of the aircraft. The scattering effects of the sound waves coming from the ground source and aircraft engine on the acoustic field on the aircraft surface are not homogeneous. In the article the authors present the modelling of the scattering of the sound waves over the airplane surface with the usage of boundary element methods. After determining the effects from the sound source on earth and from the aircraft engine the conclusion was made, that the influence from the engine noise is greater than that from the ground source, and in order to localize the low amplitude signals, the aircraft need to glide. Considering only the effects of the ground source, the optimal areas for the microphones placement were determined.
    Źródło:
    Vibrations in Physical Systems; 2023, 34, 1; art. no. 2023107
    0860-6897
    Pojawia się w:
    Vibrations in Physical Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new BEM for modeling and simulation of 3T MDD laser-generated ultrasound stress waves in FGA smart materials
    Autorzy:
    Fahmy, Mohamed A.
    Powiązania:
    https://bibliotekanauki.pl/articles/29520102.pdf
    Data publikacji:
    2021
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    oundary element method
    modeling and simulation
    three-temperature
    memory-dependent derivative
    laser ultrasonic
    nonlinear thermal stress waves
    functionally graded anisotropic
    smart materials
    Opis:
    The goal of this study is to present a new theory known as the three-temperature memory-dependent derivative (MDD) of ultrasound stress waves in functionally graded anisotropic (FGA) smart materials. It is extremely difficult to address the difficulties related to this theory analytically due to its severe nonlinearity. As a result, we suggest a new boundary element method (BEM) to solve such equations. The suggested BEM technique incorporates the benefits of both continuous and discrete descriptions. The numerical results are visually represented to demonstrate the impacts of MDD three temperatures and anisotropy on the ultrasound stress waves in FGA smart materials. The numerical findings verify the proposed methodology’s validity and accuracy. We may conclude that the offered results are useful for comprehending the FGA smart materials. As a result, our findings contribute to the advancement of the industrial applications of FGA smart materials.
    Źródło:
    Computer Methods in Materials Science; 2021, 21, 2; 95-104
    2720-4081
    2720-3948
    Pojawia się w:
    Computer Methods in Materials Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przewidywane rozwiązania przyszłościowe systemu zarządzania budynkiem
    Expected future-oriented solutions in building management systems
    Autorzy:
    Huebner, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/345185.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Krakowska im. Tadeusza Kościuszki. Wydział Architektury. Katedra Kształtowania Środowiska Mieszkaniowego
    Tematy:
    Smart Housing
    dom inteligentny
    Siri
    Google Home
    Alexa
    aplikacje
    chmura obliczeniowa
    metoda logiki rozmytej
    sztuczna inteligencja
    applications
    cloud computing
    fuzzy method
    artificial intelligence
    Opis:
    Systemy zarządzania budynkiem to część tematyki związanej z inteligentnymi domami, to zautomatyzowanie budynku polegające na połączeniu 3 komponentów: sensorów, urządzeń wykonawczych i jednostek obliczeniowych. Algorytmy sztucznej inteligencji będą mogły w przyszłości na bazie naszych zachowań oraz informacji z sensorów przewidzieć nasze potrzeby i samodzielnie określić działania niezbędne do ich realizacji. To właśnie jest przejawem sztucznej inteligencji. Rozwijające się na coraz większą skalę algorytmy sztucznej inteligencji w obszarach związanych z przewidywaniem potrzeb i zachowań wskazują na taką właśnie drogę rozwoju również dla SZB. Sprzyjać temu będzie również możliwość porozumiewania się głosem z automatyka budynków, jako naturalna formą komunikacji z użytkownikiem. Powyższe obserwacje można przenieść na pole badań nad zachowaniami ludzkimi. Przewidywane jest bardzo przychylne przyjęcie sztucznej inteligencji w zastosowaniach komercyjnych. Konsekwencją tak rozumianej ewolucji jest spekulacja co do terminu kiedy myślenie abstrakcyjne będzie również w zasięgu sztucznej inteligencji.
    Building management systems are a part of the subject of smart homes, which are automated buildings based on a combination of three types of components: sensors, controlling devices and computation units. Artificial intelligence algorithms will be able to predict our needs based on our behaviours coupled with information gathered from sensors and determine the actions needed to satisfy them by themselves. It is a manifestation of artificial intelligence. Artificial intelligence algorithms that are being developed on an increasingly large scale in areas associated with the prediction of needs and behaviours indicate a similar path of development for BMS as well. This will also be aided by the ability to verbally communicate with building automation systems, which is going to be a natural manner of communicating with the user. The observations listed above can be transferred to the field of studying human behaviours. The commercial application of artificial intelligence is predicted to be positively received. The consequences of evolution understood in this manner is speculation concerning the point in which abstract thinking will find itself within reach of artificial intelligence.
    Źródło:
    Środowisko Mieszkaniowe; 2018, 23; 25-31
    1731-2442
    2543-8700
    Pojawia się w:
    Środowisko Mieszkaniowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multicriteria approach for selecting the most vulnerable watershed for developing a management plan
    Użycie wielu kryteriów do wyboru najbardziej wrażliwej zlewni w projektowaniu planu zarządzania
    Autorzy:
    Zardari, N. H.
    Naubi, I. B.
    Roslan, N. A. B.
    Shirazi, S. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/292350.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    relative importance weights
    SMARTER
    SWING
    watershed management targets
    watershed vulnerability
    weighting method
    zarządzanie zlewniami
    Malezja
    metoda SWING
    metoda SMART
    metoda SMARTER
    jakość wody
    Opis:
    Listing of watershed management goals/targets is one of the integral parts of the management plan for a watershed. In this paper, we have listed 18 watershed management targets for which the Malaysian watersheds could possibly be managed in future. Based on the listed watershed management targets, the priority ranking of 18 targets is developed from the relative importance weights obtained from a survey conducted from 29 stakeholders. Three weighting methods (SWING, SMART, and SMARTER) were applied to elicit weights. We found that the SMART (Simple Multi-Attribute Rating Technique) weighting method was a favorable method for eliciting stable sets of weights for the watershed management targets. The SWING weighting method produces better weights than the SMARTER method. The listed watershed management targets will assist watershed managers and decision makers in decision making to use available resources (e.g. water quality, land-use, groundwater, and many other resources) in a more efficient and sustainable manner. The efficient utilization of all resources within a watershed will ultimately save watersheds (more specifically the urbanized watersheds) from further deterioration caused by unchecked infrastructure development activities.
    Określenie celów zarządzania zlewnią jest jedną z integralnych części planu zarządzania. W prezentowanej pracy ustalono 18 celów, do których w przyszłości zmierzać będzie zarządzanie zlewniami Malezji. Na podstawie tych celów ustalono ranking priorytetów, stosując wagi względnego znaczenia uzyskane w wyniku ankietowania 29 udziałowców. Dla uzyskania wag zastosowano trzy metody ważenia (SWING, SMART i SMARTER). Stwierdzono, że metoda SMART (Simple Multi-Attribute Rating Technique) była przydatna do ustalenia zestawu wag dla poszczególnych celów zarządzania zlewnią. Wagi ustalone metodą SWING były bardziej przydatne niż ustalone metodą SMARTER. Uporządkowana lista celów zarządzania będzie pomocna zarządcom i decydentom w podejmowaniu decyzji o wykorzystaniu dostępnych zasobów (jakość wody, użytkowanie ziemi, wód podziemnych i innych) w sposób bardziej efektywny i zrównoważony. Efektywne użytkowanie wszystkich zasobów zlewni uchroni je (szczególnie zlewnie zurbanizowane) od dalszego pogorszenia jakości wskutek niekontrolowanego rozwoju infrastruktury w przyszłości.
    Źródło:
    Journal of Water and Land Development; 2014, 23; 61-68
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quantum-inspired artificil neural networks and evolutionary algorithms methods applied to modeling of the polish electric power exchange using the day-ahead market data
    Autorzy:
    Tchórzewski, J.
    Ruciński, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/94957.pdf
    Data publikacji:
    2018
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    artificial intelligence methods
    MATLAB and Simulink environment
    modeling of business intelligence process
    quantum inspired method
    smart electric power system
    electric power exchange system
    Opis:
    The paper presents selected results of research on the use of artificial intelligence methods, which are inspired by quantum computing solutions for modelling of electric power exchange systems. Methods used in the modelling of quantum data acquisition, quantization and dequantization of information as well as the methods of performing quantum computations were emphasized. Furthermore, we have analysed the results obtained for the neural model and for the evolutionary algorithm inspired by the quantum computer science. Eventually, the model was verified on the example of the neural model of the Electric Power Exchange (EPE).
    Źródło:
    Information Systems in Management; 2018, 7, 3; 201-212
    2084-5537
    2544-1728
    Pojawia się w:
    Information Systems in Management
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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