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Wyszukujesz frazę "complex system" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Complex Measurement System for Enhancement of Capability for Marine Engines Diagnostics
Autorzy:
Charchalis, A.
Powiązania:
https://bibliotekanauki.pl/articles/116855.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Marine Engines Diagnostics
Complex Measurement System
Exploitation Decision Aid System
marine diesel engine
mechanical engineering
Technical Diagnostic Laboratory
Vibroacoustics
Acoustic Emission Measurement Method
Opis:
Modern way of machines’ exploitation, due to their high level of structural complication, requires proper level of supervising. That supervising is generally based on detection of pre-failure states and evaluation of machines’ single elements or components condition. In the frame of development of the research capacity of the Mechanical Faculty of Maritime Academy in Gdynia, has been developed the Exploitation Decision Aid System for marine engines exploitation. The system was based on existing test bed with the marine diesel engine Sulzer AL 25/30 as a core element. Modernization of the measurement equipment, significantly extended research capacity, what resulted with improvement of quality, extension of the span, and acceleration of conducted research and development works in the domain of safety of exploitation and diagnostics of marine power plants. Investments in modern measurement apparatus enables also an extension of the range of research and expertise related to engines’ failures and pollutants emission, in relation to broad spectrum of implemented fuels. The goal has been achieved in way of modernization of engine’s monitoring system and stands in Technical Diagnostic Laboratory.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 3; 415-420
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seafarers’ wellbeing or business, a complex paradox of the industry
Autorzy:
Tetemadze, B.
Carrera Arce, M.
Baumler, R.
Bartusevičiene, I.
Powiązania:
https://bibliotekanauki.pl/articles/2063991.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
seafarer's perspectives
seafarer's wellbeing
seafarer's motivation
complex paradox
MLC 2006 convention
safety management system
psychology
sociology
Opis:
The research is an insightful exploration into what contributes to the deterioration of seafarers’ wellbeing. It unveils the determinant factors and their impact on wellbeing, further exploring the perception and awareness levels of the maritime society on the issue. Moreover, the effectiveness of main regulatory instruments to address seafarers’ wellbeing is analysed and discussed. Qualitative methodology based on semi-structured interviews and content analysis was applied. Twenty-six active seafarers of different nationalities and working on different types of vessels, one pilot and 11 influential maritime stakeholders of the industry were interviewed. The literature review shows that wellbeing can only be fully understood when considering its physical, mental and social dimensions, and emphasizing its significance the workplace. However, the study indicates that despite high awareness of such dimensions and determinant factors of wellbeing, the psychosocial working conditions provided by shipowners onboard ships are not in full compliance with a holistic view of wellbeing. Moreover, shipping companies lack promotion and training on awareness of mental health and wellbeing issues onboard ships and how to handle them, as the existing safety management system is based on incident and accident reduction principles. Results expose excessive workload and lack of sleep (as a result of reduced manning) as major contributors to fatigue further causing deterioration of seafarers’ wellbeing. Other revealed factors include long contracts, lack of shore leave, unavailability of recreational facilities and internet connection, lack of onboard socialising, fear of job loss and stress/anxiety. The regulatory instrument MLC 2006 sets out basic seafarers’ rights but does not fully capture their wellbeing to its fullest. Seafarers’ wellbeing is unlikely to improve unless awareness of the concept of wellbeing is installed within the SMS and all of its dimensions are well addressed in future amendments of the regulatory instruments.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 817--824
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modeling 3D Objects for Navigation Purposes Using Laser Scanning
Autorzy:
Specht, C.
Dąbrowski, P.
Dumalski, A.
Hejbudzka, K.
Powiązania:
https://bibliotekanauki.pl/articles/117139.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
modeling 3D objects
laser scanning
3D objects
urban navigation
complex building navigation
Global Positioning System (GPS)
Gdynia Maritime University (GMU)
time of flight (TOF)
Opis:
The paper discusses the creation of 3d models and their applications in navigation. It contains a review of available methods and geometric data sources, focusing mostly on terrestrial laser scanning. It presents detailed description, from field survey to numerical elaboration, how to construct accurate model of a typical few storey building as a hypothetical reference in complex building navigation. Hence, the paper presents fields where 3d models are being used and their potential new applications.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 2; 301-306
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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