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    Wyświetlanie 1-6 z 6
    Tytuł:
    Sailing route planning method considering various user categories
    Autorzy:
    Życzkowski, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/1573877.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    sailing vessel
    weather routing
    multi-criteria
    navigation
    comfort
    Opis:
    The article describes the methodology related to determining the multi-criteria routes for sailing ships. Details of sea area discretisation and discretisation of the description of the sailing vessel properties and manoeuvring principles are shown. User requirements were specified (for five different categories of users) and on this basis the criteria for selecting the most suitable shipping route were formulated. The presented algorithm recommends a route for a given user category by means of defined restrictions and configuration parameters. The applied multi-criteria approach proves the universality and usability of the sailing ship route planning method.
    Źródło:
    Polish Maritime Research; 2020, 3; 149-158
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The potential of computational methods for the categorization of architectural objects on the example of media architecture
    Autorzy:
    Życzkowska, Karolina
    Życzkowski, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/2197529.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Gdańska
    Tematy:
    media architecture
    legibility of urban space
    assessment of urban space
    urban landscape
    urban development
    smart city
    sustainable development
    computational methods for architecture
    Opis:
    The paper presents an example of the categorization of architectural objects and assessment of the characteristics of urban space, based on the analysis of specific features of architectural objects and urban landscape. The conducted analysis refers to media architecture and is presented in the complex context of the development of media solutions. The field of influence of IT on architecture is also stressed, both on the architect’s work and the image of the city, including with regard to smart city strategies. A gradual simplification approach was proposed for a targeted analysis. Data on media architecture were collected and, on their basis, significant features of each architectural object and its surrounding space were identified. The qualification of representative categories of media solutions was made based on the function of the object and the role of the media architecture object in the visual structure of the space, indicating the method of determining the degree of legibility of the space for a given category. The proposed process of categorization is a starting point in the discussion about the need and opportunities to use computational methods and databases supporting the assessment of the architectural typologies and characteristics of space, in reference to urban development.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2022, 26, 2; 19-31
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evolutionary multi–objective weather routing of sailboats
    Autorzy:
    Sobecka, Ewa
    Szłapczyński, Rafał
    Życzkowski, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/1585076.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    sailing vessels
    weather routing
    evolutionary multi-objective optimization
    weather forecasts
    navigation
    Opis:
    The paper presents a multi-objective method, which optimises the route of a sailboat. The presented method makes use of an evolutionary multi-objective (EMO) algorithm, which performs the optimisation according to three objective functions: total passage time, a sum of all course alterations made during the voyage and the average angle of heel. The last two of the objective functions reflect the navigator’s and passenger’s comfort, which may decrease with multiple turns or when experiencing an excessive heel angle for a long time. The optimisation process takes into account static bathymetry-related constraints as well as dynamic constraints related to the sailboat’s safety in changing wind and wave conditions. The method makes use of all of the above and finally returns an approximated Pareto set containing non-dominated solutions to the optimisation problem. The developed method has been implemented as a simulation application. The paper includes selected simulation results followed by their discussion.
    Źródło:
    Polish Maritime Research; 2020, 3; 130-139
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Review of weather forecast services for ship routing purposes
    Autorzy:
    Życzkowski, Marcin
    Szłapczyńska, Joanna
    Szłapczyński, Rafał
    Powiązania:
    https://bibliotekanauki.pl/articles/259681.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    marine gas turbine
    inlet air fogging
    applicability
    Opis:
    Weather data is nowadays used in a variety of navigational and ocean engineering research problems: from the obvious ones like voyage planning and routing of sea-going vessels, through the analysis of stability-related phenomena, to detailed modelling of ships’ manoeuvrability for collision avoidance purposes. Apart from that, weather forecasts are essential for passenger cruises and fishing vessels that want to avoid the risk associated with severe hydro-meteorological conditions. Currently, there is a wide array of services that offer weather predictions. These services include the original sources – services that make use of their own infrastructure and research models – as well as those that further postprocess the data obtained from the original sources. The existing services also differ in their update frequency, area coverage, geographical resolution, natural phenomena taken into account and finally – output file formats. In the course of the ROUTING project, primarily addressing ship weather routing accounting for changeable weather conditions, the necessity arose to prepare a report on the state-of-the-art in numerical weather prediction (NWP) modelling. Based on the report, this paper offers a thorough review of the existing weather services and detailed information on how to access the data offered by these services. While this review has been done with transoceanic ship routing in mind, hopefully it will also be useful for a number of other applications, including the already mentioned collision avoidance solutions.
    Źródło:
    Polish Maritime Research; 2019, 4; 80-89
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Weather routing system architecture using onboard data collection and route optimisation
    Autorzy:
    Szłapczyńska, Joanna
    Vettor, Roberto
    Szłapczyński, Rafał
    Łącki, Mirosław
    Życzkowski, Marcin
    Hinostroza, Miguel A.
    Santos, Fernando P.
    Tycholiz, Wojciech
    Soares, C. Guedes
    Powiązania:
    https://bibliotekanauki.pl/articles/32899953.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    system architecture
    weather routing
    onboard data monitoring
    route optimisation
    data transmission optimisation
    Opis:
    This paper describes the architecture of a weather routing system consisting of two key elements: onboard monitoring and route optimiser sub-systems. The former is responsible for collecting various onboard measurements, such as current ship position or ship motion variables. These data, when gathered and processed, are then used for fine-tuning a ship model. The model, together with weather forecasts, is utilised by a multi-objective route optimiser to estimate forecasted ship responses during the voyage. The route optimiser has been developed in a client-server architecture to reallocate all necessary high-tech resources to the server side and keep the client software as simple and light as possible. The system also includes a module responsible for optimising transmission costs, to reduce onboard transmission during the voyage. The entire solution has been deployed onboard the demonstrator ship ‘Monte da Guia’ and tested during its operations at sea.
    Źródło:
    Polish Maritime Research; 2022, 2; 87-95
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sesja panelowa: „Peer review” – jak zapewnić trafność selekcji najlepszych projektów badawczych?
    Panel Session: „Peer review” – How to Select the Best Research Projects?
    Autorzy:
    Okoń-Horodyńska, Ewa
    Dietl, Tomasz
    Kancewicz-Hoffman, Nina
    Koteja, Paweł
    Liana, Marcin
    Nawotka, Krzysztof
    Życzkowski, Karol
    Powiązania:
    https://bibliotekanauki.pl/articles/577862.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Źródło:
    Zagadnienia Naukoznawstwa; 2014, 50, 3(201); 209-247
    0044-1619
    Pojawia się w:
    Zagadnienia Naukoznawstwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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