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    Wyświetlanie 1-6 z 6
    Tytuł:
    Simulation of the hybrid propulsion system for the small unmanned vehicle
    Autorzy:
    Polak, F.
    Walentynowicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/244497.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    unmanned vehicle
    hybrid propulsion system
    Opis:
    The paper presents a simulation model of an unmanned vehicle propulsion system designed and constructed at the Laboratory of Internal Combustion Engines WAT. The vehicle was modelled in the software environment AMESim. It is intended as a tool for modelling of mechatronic systems, and therefore it was possible to create a link between mechanical parameters such as gears, with elements from the fields of electrical engineering and electronics, such as electric motors and inverters. Presented undercarriage system modelled the platform with 6x6 and independent drive wheels. Presented model of the hybrid structure of a small unmanned vehicle and sub models driver module and the propulsion module battery charging electric current through a combustion engine (generator controls, the switching of electric current battery capacity following a drop below the desired value - for this calculation was 50% of battery capacity). Characteristics of parameters changes of sets are presented. Simulation study for two batteries of different capacities as an example of the synthetic driving test and analyzed the differences between the foundation and set of characteristics. It was found that the higher-capacity battery could provide a better change of speed.
    Źródło:
    Journal of KONES; 2011, 18, 1; 471-478
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Propulsion module for unmannned vehicle
    Autorzy:
    Polak, F.
    Szczęch, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/244495.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    unmanned vehicle
    hybrid propulsion system
    UGV
    electric generator
    electric propulsion motor
    Opis:
    Solution of the propulsion system of the unmanned vehicle elaborated and built in the Laboratory of Internal Combustion Engines Military University of Technology is shown in the paper. Unmanned vehicles are about to play key role in modern warfare. There are many types of unmanned vehicles. Those which can operate in urban areas, especially inside buildings are considered as a most useful for modern army. Most unmanned vehicles are battery operated, causing low range or low speed of the vehicle. Internal combustion engines are not proper for operation inside buildings, due to exhaust gases produced by engine. Connecting two types of propulsion system, defect of range in battery and gases in combustion engines are eliminated, because we can program vehicle to not turning on engine inside buildings. Using a module for those types of vehicles, we can design entire gamut of unmanned and even manned vehicles, decreasing design costs and repair time due to parts repeatability. Using a prepared propulsion module, design engineer can freely determine length, width and wheel track of designed vehicle. Designed modules enable vehicle fast return to combat ability, due to parts repeatability. One module, used as a host, can reconstruct damage vehicle. There is possibility of using different engines, enlarging list of available modules. Economic factor has also big meaning, due to parts repeatability.
    Źródło:
    Journal of KONES; 2011, 18, 1; 479-482
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design methodology for small passenger ships on the example of the ferryboat Motława 2 driven by hybrid propulsion system
    Autorzy:
    Gełesz, P.
    Karczewski, A.
    Kozak, J.
    Litwin, W.
    Piątek, Ł.
    Powiązania:
    https://bibliotekanauki.pl/articles/259617.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    small passenger ships
    urban ship
    design methodology
    hybrid propulsion system
    Opis:
    Dynamic development in practically all fields of science and engineering has not passed over shipbuilding . In last years, engineers got to their use computer software which makes it possible to perform strength and hydrodynamic calculations as well as to visualize design projects in 3 D space [1-4]. At their disposal they have full spectrum of modern solutions associated with the use of advanced materials and technologies [5-7]. More and more attention is also paid to impact onto the natural environment [8,9]. Every new object must influence the environment as low as possible, beginning from building phase through its service life up to final utilization – such approach is called „green-shipping”. However , not only practical reasons are important . Clients , i.e. ship owners and passengers of ships paid more and more attention to image of floating units. During decision taking on that from whom a transport service has to be ordered , the most modern ships of an attractive image matching with place and time, are often taken into consideration. Such situation has become a basis for an idea of working out a concept of a new ferryboat for National Maritime Museum. As the ferry has to navigate in „the heart of the town”, then , apart from strictly marine and engineering aspects , an important factor of its designing is its expected image - a set of significant meanings and emotions written in architecture language. The new ferryboat , like its historical predecessors , will never leave urban water routes.
    Źródło:
    Polish Maritime Research; 2017, S 1; 67-73
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of the unmanned vehicle hybrid propulsion system
    Autorzy:
    Baszuk, K.
    Szczęch, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/243705.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    unmanned vehicle
    hybrid propulsion system
    UGV
    electric vehicle
    electrical parameters measurements
    Opis:
    Investigation scheme of the unmanned vehicle is shown in the paper. It is the unmanned vehicle planned to use in military application. Using the unmanned vehicles on modern war field is increasingly popular. The unmanned vehicle is powered with a hybrid propulsion system. The main source of energy is diesel engine and electric generator. It supplies the battery and six propulsion electric motors. In the propulsion system is a lot of components: controllers and electric devices. Is important to know how it works in load condition. Investigation stand was constructed to break all drive wheels. There will be done measuring of electric parameters of the hybrid propulsion system. Temperature of the battery and electric motors, fuel consumption of internal combustion engine needed to appreciate of load and energy balance will be measured as well. Investigation equipment which will be used during investigation is also performed in the paper.
    Źródło:
    Journal of KONES; 2011, 18, 1; 53-56
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiza właściwości hybrydowego układu napędowego w aspekcie zastosowania w bezzałogowym statku powietrznym
    Analysis of the hybrid propulsion system in the aspect of use in an unmanned aerial vehicle
    Autorzy:
    Merkisz, J.
    Markowski, J.
    Karpiński, D.
    Galant, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/132856.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    silnik elektryczny
    silnik spalinowy
    napęd hybrydowy
    electric engine
    internal combustion engine
    hybrid propulsion system
    Opis:
    Rozwój bezzałogowych statków powietrznych ukierunkowany jest na sprostanie wielu wymagań związanych z nowymi funkcjami zastosowania. Jednym z nich jest uzyskanie możliwie długiego czasu wykonywanej operacji lotniczej. Realizacja tego zadania ściśle wiąże się z konstrukcją płatowca oraz konstrukcją układu napędowego. W artykule przedstawiono zagadnienia oceny możliwości doboru hybrydowego układu napędowego przeznaczonego do zastosowania w bezzałogowym statku powietrznym. Wybrano napęd śmigłowy złożony z silnika elektrycznego oraz spalinowego, stanowiącego źródło zasilania akumulatorów. W celu doboru silnika spalinowego określono zapotrzebowanie na moc potrzebną do zasilania napędu śmigłowego. Na podstawie badań wykreślono charakterystyki pracy wybranych napędów, które wykorzystano do opracowania wariantów hybrydowego układu napędowego.
    The development of unmanned aerial vehicles is focused on imposed requirements for new field of application this type of aircraft. One of them is possibility to perform of the air operation in the long term. This task is closely associated with the design of the airframe of an aircraft and the propulsion system. The paper presents the evaluation of the possibility of selecting the hybrid propulsion system for the unmanned aerial vehicle. A propeller drive consisting of an electric engine and a internal combustion engine to charging the batteries was chosen. In order to select the internal combustion engine was determined of requirements for engine power needed to power a propeller drive. On the basis of research were plotted performance characteristics for the selected engines, which were used to develop of variants of the hybrid drive system.
    Źródło:
    Combustion Engines; 2015, 54, 3; 383-391
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A dynamic submerging motion model of the hybrid-propelled unmanned underwater vehicle: Simulation and experimental verification
    Autorzy:
    Talarczyk, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/11542696.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    autonomous underwater vehicle
    hybrid propulsion system
    biomimetic underwater vehicle
    dynamic diving
    diving model
    autonomiczny pojazd podwodny
    układ napędowy hybrydowy
    biomimetyczny pojazd podwodny
    nurkowanie dynamiczne
    Opis:
    Hybrid propulsion in underwater vehicles is the new idea of combining conventional propulsion systems such as screw propellers with other kinds of propulsion like oscillating biomimetic fins, glider wings or jet thrusters. Each of these propulsion systems has its own benefits and drawbacks, and the goal is to have them complement each other in certain conditions. This paper covers the topic of a dynamic model of the pitch and heave motion of the HUUV (hybrid unmanned underwater vehicle) using screw propellers and biomimetic lateral fins. Firstly, the simulation model of the vehicle performing depth and pitch change is presented. Secondly, the vehicle’s hydrodynamic coefficients obtained from CFD simulations are discussed. Thirdly, the results of the HUUV experimental studies in a swimming pool are presented. Lastly, simulation results are compared with those of the experiment to verify the correctness of the model. The vehicle’s motion in the swimming pool during the experiments was recorded using a submerged camcorder and then analysed using the Tracker software.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2023, 33, 2; 207--218
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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