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    Wyświetlanie 1-8 z 8
    Tytuł:
    Design of on-line driver assistance Satellite Observation System (SOS)
    Autorzy:
    Filipek, P.
    Jedliński, Ł.
    Kamiński, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/245416.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    SOS satellite observation system
    ground SOS station
    vision-telecommunication satellite
    overtaking
    GPS coordinates GSM system
    road safet
    Opis:
    The article describes the design of a Satellite Observation System (SOS) which assists drivers in their travel (in real time). The system allows the driver to receive a top-down view (in the respective scale) covering a large area around their vehicle. Using the GPS and the GSM system as well as images from a satellite - thanks to the SOS, the driver will be provided with a valuable tool assisting them in driving e.g. when: overtaking in heavy field conditions, identification of the road or facilities, setting a more optimal route (bypassing traffic jams) etc.. The principle of operation is based on respectively located satellites which take very high-resolution pictures of the Earth's surface in real time. These pictures are sent via the GSM (or a different) system to the receiver of the SOS system on the ground -a SOS station - which projects GPS coordinates on them. In order to receive the image with the area of the road ahead (or around the vehicle), the driver in a vehicle turns on their SOS system which sends the vehicle's GPS coordinates to the SOS station. The SOS station processes the picture received from the satellite, preparing only a small section of it which corresponds to the area around the GPS coordinates - the vehicle's position. This section is then sent to the SOS system inside the vehicle, which, in turn, displays it on an LCD screen. This cycle repeats so rapidly that the driver may be under an impression that he/she watches the image from the camera placed over the vehicle. The SOS system will contribute to the increase in road safety and the maneuver of overtaking in difficult field conditions will become less risky. The SOS system will also allow the emergency services and the police to promptly locate and identify any road accidents.
    Źródło:
    Journal of KONES; 2011, 18, 3; 79-82
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A ground control station for the UAV flight simulator
    Autorzy:
    Romaniuk, S.
    Gosiewski, Z.
    Ambroziak, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/386612.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    ground control station
    flight simulator
    aircraft flight
    lot samolotu
    symulator lotu
    stacja kontroli naziemnej
    naziemne stacje
    stacje naziemne
    Opis:
    In the paper implementation of a ground control station for UAV flight simulator is shown. The ground control station software is in cooperation with flight simulator, displaying various aircraft flight parameters. The software is programmed in C++ language and utilizes the windows forms for implementing graphical content. One of the main aims of the design of the application was to simplify the interface, simultaneously maintaining the functionality and the eligibility. A mission can be planned and monitored using the implemented map control supported by waypoint list.
    Źródło:
    Acta Mechanica et Automatica; 2016, 10, 1; 28-32
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Vision system supporting the pilot in variable light conditions
    Układ wizyjny wspomagający pilota w warunkach zmiennego oświetlenia
    Autorzy:
    Szczerba, Piotr
    Rzucidło, Paweł
    Szczerba, Zygmunt
    Drupka, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/1365244.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    indicator
    pilot
    operator
    ground station
    UAV operation
    optical phenomena
    vision algorithms
    adaptive algorithms
    reliability of operations
    wskaźnik
    stacja naziemna
    eksploatacja UAV
    zjawiska optyczne
    algorytmy wizyjne
    algorytmy adaptacyjne
    niezawodność operacji
    Opis:
    The aim of this study is to demonstrate the applicability of contemporary optoelectronic systems supported by image processing algorithms in aviation. Optoelectronic systems can support the pilot’s work or the work of an Unmanned Aerial Vehicle (UAV) operator after being installed in the cockpit of the pilot or in a ground station. The origin of the problem is related to the aspects of safe operation of the aircraft in the conditions of dynamically changing ambient light observed by the aircraft pilot or operator monitoring the monitor at the ground station and observing the image from the camera installed on the UAV. The proposed solution is to help avoid situations in which the pilot’s/operator’s situational awareness deteriorates due to strong optical phenomena.
    Celem niniejszego opracowania jest zademonstrowanie możliwości zastosowania współczesnych układów optoelektronicznych wspomaganych przez algorytmy przetwarzania obrazu w lotnictwie. Układy optoelektroniczne mogą wspomóc pracę pilota lub pracę operatora bezzałogowego statku powietrznego (BSP) po zainstalowaniu w kabinie pilota bądź w stacji naziemnej. Geneza problemu jest związania z aspektami bezpiecznej eksploatacji statku powietrznego w warunkach dynamicznie zmieniającego się oświetlenia otoczenia obserwowanego przez pilota samolotu lub operatora śledzącego monitor w stacji naziemnej i obserwującego obraz z kamery zainstalowanej na BSP. Zaproponowane rozwiązanie ma pomóc uniknąć sytuacji, w których świadomość sytuacyjna pilota/operatora pogarsza się na skutek silnych zjawisk optycznych.
    Źródło:
    Eksploatacja i Niezawodność; 2019, 21, 1; 60-67
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of ground pollution by hydrocarbons using Rock-Eval pyrolysis
    Autorzy:
    Więcław, Dariusz
    Sadlik, Maria
    Powiązania:
    https://bibliotekanauki.pl/articles/779796.pdf
    Data publikacji:
    2019
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    Rock-Eval
    oil
    lubricants
    ground pollution
    petrol station
    Opis:
    The exploration and utilization of petroleum are potential hazards to the environment. Successful determination of petroleum contamination in ground relies on accurate definition of the type, source and quantity of contaminant. For this purpose the Rock-Eval® pyrolysis was applied, which is a rapid quantitative (Bulk Rock method) and qualitative (fractional composition using Multi-Heating Rates method) technique. Results of Rock-Eval analysis of 13 samples of concrete and 2 samples of gravel taken from the different sites of the petrol station indicate the highest concentration of light hydrocarbons (gasoline and naphtha fractions), up to over 5% wt. in the direct proximity of petrol pumps. Similarly high contamination (almost 4%wt.), was found near fuel tanks. Here the highest contribution has lubricating oil fraction and the tankers providing fuels are probably the source of this pollution. In the gravel collected in the vicinity of the fuel tanks high concentration (over 5 wt.%) of non-pyrolyzable carbon (soot) was recorded, the source of which are probably diesel engines of fuel tankers supplying fuel.
    Źródło:
    Polish Journal of Chemical Technology; 2019, 21, 3; 8-12
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Certification of Unmanned Aircraft (UA)
    Autorzy:
    Pettke, G.
    Kozyro, W.
    Gałka, P.
    Trzeciak, G.
    Wołejsza, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1841555.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    unmanned vehicles
    Polish Register of Shipping
    PRS
    Unmanned Aircraft
    unmanned aerial vehicle
    remotely piloted aircraft systems
    ground control station
    object’s recognition and classification awareness
    vertical take-off and landing
    Opis:
    PRS (Polish Register of Shipping) is an expert institution acting on the international market, that - by conducting business for the benefit of the community - through the formulation of the requirements, survey and issue of the appropriate documents, assists State Administrations, Underwriters and customers in ensuring the safety of people, floating objects, land undertakings, carried cargo and the natural environment. PRS is a body accredited for certification of management systems, as well as a notified body in the European Commission for conducting product conformity assessment procedures with EU directives and regulations, and certify of personnel and processes. Subject and scope of the Publication The Publication defines requirements and procedures of conformity assessment process of Unmanned Aircraft (UA) and the technical possibilities of their use in the maritime economy segment. Purpose of the publication: Defining technical and formal requirements for design, construction and operation of the Unmanned Aircraft (UA), Determining the scope and methodology of conformity assessment process of Unmanned Aircraft (UA), Determining the technical possibilities of using Unmanned Aircraft (UA) in the maritime economy segment. The publication includes the following issues: basic principles and design requirements as well as technical regulations that ensure the design of the Unmanned Aircraft (UA), as a safe product in operation; the scope and methodology of conformity assessment of Unmanned Aircraft (UA); principles and scope of technical supervision over the Unmanned Aircraft (UA), requirements set by PRS in using Unmanned Aircraft (UA) on sea-going ships. The conclusions of the paper: indication of the way to obtain BSP certification, the basis for launching the procedure for developing the NO defence standard for the certification of ships and naval auxiliary units for cooperation with Unmanned Aircraft (UA).
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 1; 143-155
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Water relations during two hydrological years in swampy areas in the Siemianice Forest Experimental Station
    Autorzy:
    Krysztofiak, A.T.
    Miler, A.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/62494.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    water relation
    hydrology
    swamp area
    Siemianice Forest Experimental Station
    forest experimental station
    ground water level
    surface water level
    climate change
    Marianka Forest District
    forest environment
    water resource
    water condition
    Opis:
    In recent years researchers have focused increasingly on climatic changes taking place in nature (increasing air temperature, decreasing precipitation totals). These imply changes in components of water balances and in practice changes in water relations both on the global and local scale. At present site overdrying is considered to be the biggest threat [Pierzgalski 2007]. The aim of the study is to present water relations in the forest swampy areas in a forest district (the Marianka Forest District) of the Siemianice Forest Experimental Station in hydrological years of 2005 and 2006. The investigations showed that analysed catchments, despite being located in swampy areas, are characterized by periods of water depletion in ditches. In analysed watercourses runoff was recorded from mid-November 2004 to the beginning of June 2005, while in the next hydrological year it was recorded again from mid-November, but this time longer to mid-June 2006. In relation to ground water of the catchment area a predictable relationship was observed of the water table level at the locations of observation wells. The wells located in the top sections of the catchment had water table the deepest below the ground level, while wells in valleys had water tables at the most shallow levels. It may also be stated that wells situated in higher areas (watershed), are characterized by a slightly bigger variation in the ground water table during the year than it was the case with wells located at lower points (in valleys). Both analyzed hydrological years (2005 and 2006) showed a similar pattern of ground water table at individual sites. Moreover, a marked cyclicity was recorded in the elevation of the water table, i.e. water level rising in autumn and lowering in summer months (as a result of changes in plant transpiration). The relationship of ground water levels with different forest sites found in the analyzed catchments confirms the dependence on the site moisture level variant. Water was lying at the most shallow levels in the ash-alder swamp forest site – a marshy site, while it was markedly the deepest in fresh mixed coniferous forest sites – a fresh site type. When analyzing changes in the ground water levels in terms of stand age classes we may clearly observe the seasonal variation and similar patterns of changes. Water lay the most shallow in stands of age classes V and VI. The level was significantly deepest in age class IV. The above dependencies pertained both to the hydrological year 2005 and 2006.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2008, 06
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of an autonomous Global Navigation Satellite System ground station and its calibration for monitoring of local ionospheric perturbations
    Autorzy:
    Galas, R.
    Čokrlić, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/135456.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    local ionospheric perturbations
    scintillations
    single autonomous GNSS monitoring station
    continuously monitoring GNSS ground systems
    autonomous power management
    real-time processing
    hardware calibration
    Opis:
    A state-of-the-art monitoring global navigation satellite system (GNSS) system has been originally designed and developed for various positioning and atmosphere-sensing purposes by the authors and updated to fulfil the challenging requirements for monitoring of ionospheric perturbations. The paper discusses various scientific and technically challenging issues, such as the requirement for an autonomous operating ground GNSS station and how this can be fulfilled. Basic algorithms for monitoring of local ionospheric perturbations with GNSS receivers are described. The algorithms require that inter-frequency hardware biases be known. Although the satellite transmitter biases can be obtain from the IGS services, the user takes responsibility for the estimation of frequency dependent receiver hardware biases and for the control of their variations. The instrumental signal delays are important for timing applications and GNSS monitoring of the ionosphere and are also required for recovering of the integer carrier-phase ambiguities. The paper presents an algorithm for calibration of inter-frequency biases of global positioning system (GPS) receivers and validates the first set of results.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 45 (117); 54-59
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Initial analysis of the tracking performance of the GOOSE GNSS Software-Defined Receiver
    Autorzy:
    Galas, Roman
    Kunzi, Florian
    Adolfs, Marjolijn
    Overbeck, Matthias
    Felber, Wolfgang
    Powiązania:
    https://bibliotekanauki.pl/articles/1819198.pdf
    Data publikacji:
    2020
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    local ionospheric perturbations
    scintillations
    single autonomous GNSS monitoring station
    continuously monitoring GNSS ground systems
    autonomous power management
    real-time processing
    software-defined receiver
    Opis:
    The GOOSE (GNSS Receiver with open software interface) Software-Defined Receiver has been developed at the Fraunhofer Institute for Integrated Circuits (IIS) in Nürnberg, Germany. The main motivation for the development of this platform was to control the receiver at all stages, from digital signal processing to the PVT domain, and to enable controlled feedback to the hardware. Besides having access to all raw data including correlation values, the GOOSE receiver also enables for example tight- or ultra-tight integration with an inertial navigation system or other dead reckoning systems, as these kinds of architectures require access to the acquisition and tracking loops. In this paper, the tracking performance of the GOOSE platform was evaluated and compared to a reference receiver (Septentrio PolaRx5S). Several long data sessions were recorded on a “zero baseline” in which both receivers used the same precise geodetic antenna that was also developed at Fraunhofer IIS. The measurements were performed in a harsh environment (obstructions, multipath, possible interferences), as well as on a site with an unobstructed sky view. Quality and performance analyses were performed using raw measurements (in the domain of primary observables) of three civil GPS signals: L1CA, L2CM, and L5. The data were processed using the “zeroEdit” module of the TUB-NavSolutions academic software for education and research. The quality of the raw observables and tracking performance were described by the following parameters: number of cycle slips detected, number of un-correctable cycle slips, number of loss of locks of the signals, number of single epoch data gaps, and the length of carrier phase arcs. The presentation is illustrated with some numerical examples.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2020, 63 (135); 113-120
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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