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    Wyświetlanie 1-13 z 13
    Tytuł:
    New look over the housing architectural planning in sub-saharan africa
    Nowe spojrzenie na planowanie architektury mieszkaniowej w afryce subsaharyjskiej
    Autorzy:
    Paszkowski, Z. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/369599.pdf
    Data publikacji:
    2018
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    housing
    Africa
    Chad Republic
    light steel frame system
    sustainable architecture
    zabudowa mieszkaniowa
    Afryka
    Republika Czad
    system lekkich szkieletów stalowych
    zrównoważona architektura
    Opis:
    The author shares his reflections on state of art in housing and urban planning, deficiencies, expectations and possibilities in the Sahel region of Africa. He notices, that the housing problem in Africa is one of the challenges, which should be solved in order to recover life dignity of African people and secure their rights to traditional family life in acceptable conditions. The paper describes the studies on the typical dispersed urban structures and the need to foster this type of settlement structure and proposals of introduction of new on light steel frame housing system in the area of Sahel, combining the traditional way of building houses with modern technology. The particularly analysed case, is the housing problem in the Republic of Chad. The author presents the basic discussion on this topic and his architectural proposals. Unfortunately, the gap between the needs and the financial feasibility of housing construction in this area, makes this project already at the starting point extremely difficult to be realized without external subventions.
    Problem mieszkaniowy w Afryce jest jednym z wyzwań, które należy rozwiązać, aby Afrykanie mogli odzyskać godność życiową i zabezpieczyć swoje prawa do tradycyjnego życia rodzinnego w akceptowalnych warunkach. W artykule opisano badania nad typowymi rozproszonymi strukturami miejskimi i potrzebą wspierania tego typu struktur osadniczych oraz propozycji wprowadzenia nowego systemu konstrukcji domów, opartym na lekkim szkielecie stalowym, łączącym tradycyjny sposób budowania domów z nowoczesną technologią. Przypadkiem szczególnie analizowanym jest problem mieszkaniowy w Republice Czadu. Autor przedstawia podstawową dyskusję na ten temat i swoje propozycje architektoniczne. Niestety luka między potrzebami mieszkaniowymi w Czadzie a finansową wykonalnością budownictwa mieszkaniowego w tym obszarze sprawia, że projekt ten, już w punkcie wyjścia, jest niezwykle trudny do realizacji bez uzyskania zewnętrznych dotacji.
    Źródło:
    Przestrzeń i Forma; 2018, 34; 83-94
    1895-3247
    2391-7725
    Pojawia się w:
    Przestrzeń i Forma
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    European vertical reference frame EVRF2007
    Autorzy:
    Łyszkowicz, A.
    Bernatowicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/298430.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie
    Tematy:
    vertical reference system and frame
    levelling network
    tide correction
    Opis:
    In Poland at the end of 2013 was completed implementation of the European Vertical Refrence Frame EVRF2007 in the country. This frame is the result of twenty years of works of the Subcommittee EUREF IAG. The paper in a condensed way describes the successive stages of development of the EVRF2007 frame in order to allow the readers to understand its essence. In the first part of the work are given definitions and how the EVRF2000 frame has been implemented and then is described how the system has been improved. Then the EVRF2007 is characterized with particular attention paid to the vertical movements of the earth crust and tidal corrections.
    Źródło:
    Technical Sciences / University of Warmia and Mazury in Olsztyn; 2014, 17(2); 87-103
    1505-4675
    2083-4527
    Pojawia się w:
    Technical Sciences / University of Warmia and Mazury in Olsztyn
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research on an Innovative FLEX Bicycle Frame with a Softtail Vibration Damping System
    Autorzy:
    Kuczek, Łukasz
    Marczak, Paweł
    Muzykiewicz, Wacław
    Mroczkowski, Marcin
    Paćko, Paweł
    Drop, Dawid
    Powiązania:
    https://bibliotekanauki.pl/articles/2201887.pdf
    Data publikacji:
    2023
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    elastomer
    bike frame
    FLEX bike frame
    damping system
    strength analysis
    fatigue analysis
    impact test
    softtail damping system
    Opis:
    Bicycles are gaining more and more popularity, especially in crowded cities where there is a problem with traffic jams and a limited number of parking spaces. The bicycles are also often used by mountain bikers during riding on off-road trails. In both cases, the important parameters are the stiffness of the bicycle frame, the weight of the bicycle, but also driving comfort. To improve comfort and reduce vibrations in the bicycle frame both front and rear shock absorbers are used. The use of traditional shock absorbers increase the weight of the bike and its price. The work characterizes a modern damping system, Softtail type, designed by AG Motors. In this case, the damping element (elastomer) was placed directly in the rear fork. Analyses of polyurethanes of various hardness were carried out in terms of the possibility of using them as a vibration damper. A numerical and experimental analysis of the bicycle frame was performed, adapted to the a new shock-absorber system. Strength, fatigue and impact tests were carried out in accordance with the relevant bicycle standards. Research has shown that the frame bicycle with the Softtail system, meets the requirements of the standards.
    Źródło:
    Advances in Science and Technology. Research Journal; 2023, 17, 1; 290--303
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Frame Models in Translation: Onomatopeia Aspect in Haruki Murakami Wind-Up Bird Chronicles
    Autorzy:
    Rzhevska, Dariia
    Powiązania:
    https://bibliotekanauki.pl/articles/2137341.pdf
    Data publikacji:
    2022
    Wydawca:
    Państwowa Wyższa Szkoła Zawodowa w Chełmie
    Tematy:
    conceptual content
    onomatopoeia
    mimetics
    frame
    frame model
    FrameNet system
    adequate translation/translation techniques
    dictionary and contextual
    equivalents.
    Opis:
    The article oers an insight into the importance of frames and their features to convey the meaning of Japanese onomatopoeia in the translation process. Based on the present scientic and practical research of the novel by Haruki Murakami Wind-up Bird Chronicles and its translation by Jay Rubin, there have been counted frequencies of use along with clarication of the semantic and stylistic peculiarities of onomatopoeia. Frame analysis, which is used to convey the meaning of Japanese onomatopoeia in the context of the English translation, enables to identify the main characteristics of Japanese syntax, especially the use of particles. Since there is no grammar case in Japanese, onomatopoeic verbs are determined by particles, and predicate plays the main role in the sentence structure. In this case, particles may form additional grammar cases. To visualize his inner world, Haruki Murakami uses onomatopoeias that convey emotions and feelings of the protagonist, as well as the descriptions of peculiar features and sounds of nature. It is the presence of mimetics that enables Murakami to create a complex frame net that intertwines the main storylines through the permanent repeating of some onomatopoeia.
    Źródło:
    Language. Culture. Politics. International Journal; 2022, 1; 27-36
    2450-3576
    2719-3217
    Pojawia się w:
    Language. Culture. Politics. International Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of satellite techniques in geodesy and navigation in Poland
    Autorzy:
    Baran, Lubomir W.
    Oszczak, Stanisław
    Zieliński, Janusz B.
    Powiązania:
    https://bibliotekanauki.pl/articles/703201.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    geodesy
    reference frame
    Global Positioning System – GPS
    satellite techniques
    satellite navigation
    Galileo navigation system
    Opis:
    Contemporary geodesy is of global dimension. The reference frame is defined as the geocentric system with parameters related to the entire Earth body, e.g. the axis of rotation, and global geoid. The unified time scale is determined for the whole Earth territory as well. International services using different satellite techniques are engaged in the determination of this frame. Particularly important is the Global Positioning System GPS, which is the most important geodetic tool nowadays. In Poland a number of geodetic observatories are working in the frame of the international networks, Polish scientific groups contribute to the advancement of science in this domain. For the practical applications we are using the local networks that again are constructed with satellite techniques. In Europe the regional network EUREF exists while its part EUREF-POL and densification POLREF are in Poland. The modern network ASG-EUPOS is under construction. The GPS technique is used for surveying and navigation and for the positioning in motion, which is in-between the preceding traditional methods. Differential augmentation methods are designed to improve GPS signals such as DGPS and EGNOS. The new European satellite navigation system Galileo is in development. Poland is a member and coowner of this system. A number of Polish research institutions are working on new methods of the practical application of GNSS.
    Źródło:
    Nauka; 2008, 4
    1231-8515
    Pojawia się w:
    Nauka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    System Concept of WIFI Based Passive Radar
    Autorzy:
    Rzewuski, S.
    Kulpa, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/227053.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    passive radar system
    WIFI signal decoding
    frame detection
    processing signal from wireless networks
    Opis:
    In this paper idea of passive radar system based on popular wireless networks commonly named WIFI is presented. In such an networks many transmitters operates in the same channel using multiple access. Wireless networks operating on frequencies 2.4GHz and 5GHz are very common today (IEEE 802.11 a/b/g/n). Classic passive radar determines bistatic distance and velocity by using cross-ambiguity function. To seek target position in XYZ space at least illumination of 3 different transmitters is required. In that paper it was assumed, that all transmitters operate on the same band frequency and the passive radar receiver has to couple each transmission burst with transmitter position by decoding the physical address of transmitter from captured data stream. Having most of the signal sources in our passive radar environment it is possible to detect and to localize objects of interest.
    Źródło:
    International Journal of Electronics and Telecommunications; 2011, 57, 4; 447-450
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    SIMURG: A new model for the integrated assessment of sustainability
    Autorzy:
    Kanoglu, Alaattin
    Yazicioglu, Deniz
    Ozcevik, Ozlem
    Erkovan, Nisa
    Softaoglu, Hidayet
    Ulker, Burcu
    Varlier, Nazli
    Yazicioglu, Ediz
    Powiązania:
    https://bibliotekanauki.pl/articles/2091570.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
    Tematy:
    sustainability assessment
    3D Cartesian System
    philosophical model
    frame model
    organizational model
    computational model
    Opis:
    Sustainability assessment is one of the basic issues in the agenda of public authorities and it requires practical tools to measure performance in terms of sustainable development goals. Most studies in literature deal with only one dimension of the problem of environmental components of sustainability. These studies discuss entities at only one level (cities, buildings, etc.), and one layer (green, smart, etc.) in selected dimensions. The literature includes no models that claim to provide an integrated assessment of entities’ performance in the 3D Cartesian system. The presently available models do not offer solutions that would be applicable in practice. SIMURG (A performance-based and Sustainability-Oriented Integration Model Using Relational database architecture to increase Global competitiveness of construction industry) proposes using layers and their KPI sets in the assessment process. In addition to philosophical, organisational, integrational, and computational models, this study aims to develop a lean architecture of a relational database model by eliminating ineffective solutions in the practical dimension, i.e. in the computer model. The model can be used by individuals to help them choose built environment whose characteristics match their expectations. Public authorities can utilise the model to increase the level of accountability, transparency, and legitimacy in their decision-making processes.
    Źródło:
    Budownictwo i Architektura; 2022, 21, 1; 31--57
    1899-0665
    Pojawia się w:
    Budownictwo i Architektura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research on reference frames and reference networks in Poland in 2019–2022
    Autorzy:
    Krynski, Jan
    Liwosz, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/43852770.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    układ odniesienia
    grawitacja
    dalmierz laserowy
    reference system
    reference frame
    vertical control
    gravity control
    magnetic control
    Opis:
    The article presents the reviewed and summarised research activities of Polish research groups on reference frames and reference networks in a period of 2019–2022. It contains the results on the implementation of latest resolutions on reference systems of the International Union of Geodesy and Geophysics and the International Astronomical Union focusing on changes in the consecutive issues of the Astronomical Almanac of the Institute of Geodesy and Cartography, Warsaw. It further presents the status of the implementation of the European Terrestrial Reference System 1989 (ETRS89) in Poland, monitoring the terrestrial reference frame, including research on global terrestrial reference frames, GNSS data analysis within the EUREF Permanent Network, research on GNSS receiver antenna phase centres, research on impact of non-tidal loading effects on position solutions, and on station velocities. Then the activities concerning the realization of ITRS and ETRS89 in Poland are discussed, including operational work of GNSS IGS/EPN stations as well as operational work of the laser ranging station of the International Laser Ranging Service, with special emphasis on the Polish active GNSS network for the realization of ETRS89 and maintenance of the vertical control network. Extensive research activities are observed in the field of implementation of the International Terrestrial Gravity Reference Frame in Poland, maintenance and modernization of gravity control network in Poland but also in Sweden, establishment of gravity control network in Ireland based on absolute gravity survey as well as maintenance of the national magnetic control network in Poland which is traditionally performed on a regular basis.
    Źródło:
    Advances in Geodesy and Geoinformation; 2023, 72, 2; art. no. e44, 2023
    2720-7242
    Pojawia się w:
    Advances in Geodesy and Geoinformation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research on reference frames and reference networks in Poland in 2015–2018
    Autorzy:
    Krynski, Jan
    Rogowski, Jerzy B.
    Liwosz, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/145316.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    układ odniesienia
    grawitacja
    sieć odniesienia
    reference system
    reference frame
    vertical control
    gravity control
    magnetic control
    Opis:
    Research activities of Polish research groups in a period of 2015–2019 on reference frames and reference networks are reviewed and summarised in this paper. The summary contains the results concerning the implementation of latest resolutions on reference systems of the International Union of Geodesy and Geophysics and the International Union of Astronomy with special emphasis on the changes in the Astronomical Almanac of the Institute of Geodesy and Cartography, Warsaw. It further presents the status of the implementation of the European Terrestrial Reference System 1989 (ETRS89) in Poland, monitoring the terrestrial reference frame, operational work of GNSS permanent IGS/EPN stations in Poland, operational work of the laser ranging station in Poland of the International Laser Ranging Service (ILRS), active GNSS station network for the realization of ETRS89 in Poland, validation of recent ETRS89 realization, expressed in ETRF2000 in Poland, and maintenance of the vertical control in Poland (PL-KRON86-NH). Extensive research activities are observed in the field of maintenance and modernization of gravity control not only in Poland, but also in Sweden and in Denmark, as well as establishment of gravity control in Ireland based on absolute gravity survey. The magnetic control in Poland was also regularly maintained. The bibliography of the related works is given in references.
    Źródło:
    Geodesy and Cartography; 2019, 68, 1; 5-29
    2080-6736
    2300-2581
    Pojawia się w:
    Geodesy and Cartography
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Directional dynamics problems of an articulated frame steer wheeled vehicles
    Autorzy:
    Dudziński, P.
    Skurjat, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/248101.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    articulated frame steer vehicles
    snaking
    experimental and simulation tests
    steering system stiffness
    dynamic properties of multi-dimensional tyres
    Opis:
    One of the current trends in industrial wheeled vehicles is to increase their mobility, i.e. the ability to travel at speeds ranging from 50 even up to 100 km/h, e.g. military engineering machines. As a result of the high demands put on such vehicles several previously unknown problems with their dynamics have come to light. The paper presents the results of experimental and MSC Adams view simulation tests for snaking movement of an articulated frame steer vehicle such as bucket loader. The model precisely accounts for machine units’ mass and geometry along with their inertia. Additionally, the model includes hydrostatic steering gear submodel and its geometry and the submodel of a drive train with dynamic properties of multi-dimensional tyres as well. Experimental and virtual tests demonstrated that directional dynamics of articulated frame steer wheeled vehicles are largely affected by total (equivalent) steering gear torsional stiffness, dynamic properties of largesize tyres and type of vehicle’s wheel drive. Simulation studies used the results of experimental studies whereby the simulation outcome provides interesting and original guidelines for articulated frame steer vehicles manufacturers.
    Źródło:
    Journal of KONES; 2012, 19, 1; 89-98
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reference frames and reference networks
    Autorzy:
    Bosy, J.
    Krynski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/145475.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    reference system
    reference frame
    ETRS89
    vertical control
    gravity control
    magnetic control
    układ odniesienia
    grawitacja
    satelitarne techniki pomiarowe
    Opis:
    The summary of research activities concerning reference frames and reference networks performed in Poland in a period of 2011-2014 is presented. It contains the results of research on implementation of IUGG2011 and IAU2012 resolutions on reference systems, implementation of the ETRS89 in Poland, operational work of permanent IGS/ EUREF stations in Poland, operational work of ILRS laser ranging station in Poland, active GNSS station networks in Poland, maintenance of vertical control in Poland, maintenance and modernization of gravity control, and maintenance of magnetic control in Poland. The bibliography of the related works is given in references.
    Źródło:
    Geodesy and Cartography; 2015, 64, 2; 147-176
    2080-6736
    2300-2581
    Pojawia się w:
    Geodesy and Cartography
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    European ITS framework architecture for transportation planning support
    Autorzy:
    Litwin, M.
    Modelewski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/393254.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    ITS architecture
    European Framework ITS Architecture
    FRAME
    systems engineering
    system requirements
    strategic planning
    architektura ITS
    inżynieria systemowa
    wymagania systemowe
    Opis:
    This paper gives an overview on some chosen aspects of transportation planning process and decision making. This article aims to show how FRAME Architecture can be seen as a decision support tool for transportation planners, transportation engineers, IT engineers and decision making persons.
    Źródło:
    Archives of Transport System Telematics; 2013, 6, 2; 53-56
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Path following control of the underactuated USV based on the improved line-of-sight guidance algorithm
    Autorzy:
    Liu, T.
    Dong, Z.
    Du, H.
    Song, L.
    Mao, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/259559.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    unmanned surface vessel (USV)
    path following control
    Serret-Frenet coordinate frame
    underactuated system
    improved lineof-sight guidance algorithm
    nonlinear backstepping method
    Opis:
    The path following control problem of the underactuated unmanned surface vessel (USV) is studied in this paper. An improved line-of-sight (LOS) guidance algorithm is proposed which can adjust adaptively based on the path following error. The global asymptotically stable path following controller is designed based on the nonlinear backstepping method and the Lyapunov stability theory. Firstly, the USV path following error model is established in the Serret-Frenet (SF) coordinate frame. The path following error in the inertial coordinate frame is transformed into the SF coordinate frame, which is used to define the path following control problem. Secondly, inspired by the traditional LOS guidance algorithm, the longitudinal path following error in the SF coordinate frame is introduced into the improved LOS guidance algorithm. This allows the algorithm to adjust adaptively to the desired path. Thirdly, in order to solve the underactuated problem of the USV path following control system, the tangential velocity of the desired path is designed as a virtual input. The underactuated problem is converted to a virtual fully actuated problem by designing the virtual control law for the tangential velocity. Finally, by combining backstepping design principles and the Lyapunov stability theory, the longitudinal thrust control law and the yaw torque control law are designed for the underactuated USV. Meanwhile, the global asymptotic stability of the path following error is proved. Simulation experiments demonstrate the effectiveness and reliability of the improved LOS guidance algorithm and the path following controller.
    Źródło:
    Polish Maritime Research; 2017, 1; 3-11
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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