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    Wyświetlanie 1-13 z 13
    Tytuł:
    Porównanie parametrów ruchu statków na podstawie obserwacji ARPA i AIS
    Ship movement parameters compare based on ARPA and AIS observation
    Autorzy:
    Stupak, T.
    Wąż, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/316106.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    wektor ruchu
    ruch statku
    Systemu Automatycznej Identyfikacji Statków
    AIS
    ARPA
    motion vector
    ship traffic
    Automatic Ship Identification System
    Opis:
    W artykule przedstawiono badania wektora ruchu prowadzone w laboratorium radarowym Akademii Morskiej w Gdyni, oraz podczas rejsów na statkach. Badano dokładność wyznaczenia położenia statku, kursu, prędkości i odległości najmniejszego zbliżenia wykorzystując radary statkowe oraz dane z Systemu Automatycznej Identyfikacji. Stwierdzono, że dokładność wyznaczania badanych parametrów jest większa niż narzucają wymagania Międzynarodowej Organizacji Morskiej.
    This article presents the movement vector research conducted in the radar laboratory of Gdynia Maritime University and during vessel cruises. The precision of designating the vessels' location, course, speed and CPA were researched using on-baord radars and AIS data. It is concluded that the precision of designating the researched parameters is greater than the International Maritime Organization requires.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2017, 18, 12; 438-441, CD
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Korekta dokładnościowa zobrazowania radarowego z wykorzystaniem AIS
    Precision adjustment of radar image using AIS
    Autorzy:
    Wawruch, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/251552.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Naukowo-Wydawniczy TTS
    Tematy:
    obrazowanie radarowe
    system automatycznej identyfikacji
    AIS
    radar
    statek
    radar image
    automatic identification system
    ship
    Opis:
    W artykule przedstawione wyniki badań eksperymentalnych możliwości korekty dokładności zobrazowania radarowego z wykorzystaniem transmisji urządzeń statkowych systemu automatycznej identyfikacji (AIS). Badania przeprowadzono na urządzeniach radarowych śledzących automatycznie wykryte obiekty (ARPA), ECDIS i AIS zainstalowanych w laboratorium radarowym Akademii Morskiej w Gdyni. Do pomiarów wykorzystano wyposażone w AIS i śledzone przez ARPA morskie statki handlowe płynące torami wodnymi do lub z portów Gdańska i Gdyni.
    Paper presents results of experimental verification of the possibility of radar image accuracy correction using ships’ devices of the Automatic Identification System (AIS). The study was conducted on radar equipment with automatic tracking function of detected objects (ARPA), ECDIS and AIS installed in the radar laboratory of Gdynia Maritime University. For measurements were used equipped with AIS and tracked by ARPA commercial vessels sailing along fairways to and from the ports of Gdańsk and Gdynia.
    Źródło:
    TTS Technika Transportu Szynowego; 2015, 12; 1630-1634, CD
    1232-3829
    2543-5728
    Pojawia się w:
    TTS Technika Transportu Szynowego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ship Behavior Analysis for Real Operating of Container Ships Using AIS Data
    Autorzy:
    Gao, X.
    Makino, H.
    Furusho, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/116131.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Automatic Identification System (AIS)
    AIS Data
    Container Ship
    Real Operating of Container Ships
    Opis:
    The aim of this paper is to understand the real activity and operating situation of container ships in order to improve navigation efficiency. The study focused on the navigation for an entire ship voyage to understand the real activity of container ships using the historical ship navigation based on Automatic Identification System (AIS) data, which is possible so as to unveil the characteristics of real ship activity. The analysis considers ship voyages in the Seto Inland Sea and its oceanic waters, which are the primary traffic routes for container transportation particularly for China, Japan, and South Korea. The results of this study can be used to improve the efficiency of container ships and develop a smoother maritime transportation.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 2; 213-220
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Algorithm for Interpolating Ship Motion Vectors
    Autorzy:
    Hu, Q.
    Cai, F.
    Yang, C.
    Shi, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/116863.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Ship Motion
    Ship Motion Vector
    Automatic Identification System (AIS)
    AIS Dynamic Information
    Algorithm, Ship's Acceleration
    AIS Data
    Vector Function
    Opis:
    Interpolation of ship motion vectors is able to be used for estimating the lost ship AIS dynamic information, which is important for replaying marine accidents and for analysing marine traffic data. The previous methods can only interpolate ship’s position, while not including ship's course and speed. In this paper, vector function is used to express the relationship between the ship’s time and space coordinates, and the tangent of the vector function and its change rate are able to express physical characteristics of ship’s course, speed and acceleration. The given AIS dynamic information can be applied to calculate the parameters of ship's vector function and then the interpolation model for ship motion vectors is developed to estimate the lost ship dynamic information at any given moment. Experiment results show that the ship motion vector function is able to depict the characteristics of ship motions accurately and the model can estimate not only the ship’s position but also ship’s course and speed at any given moment with limited differences.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8, 1; 35-40
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Assessment of Drafting Ship Movement Parameters Using Radar and the Automatic Identification System
    Autorzy:
    Stupak, T.
    Wąż, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/116516.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Automatic Identification System (AIS)
    radar
    ship movement parameters
    movement vector research
    IMO standards
    ARPA
    vessel movement vector
    GMU radar laboratory
    Opis:
    This article presents the movement vector research conducted in the radar laboratory of Gdynia Maritime University and during vessel cruises. The precision of designating the vessels' location, course, speed and CPA were researched using on-baord radars and AIS data. It is concluded that the precision of designating the researched parameters is greater than the International Maritime Organization requires.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 2; 301-304
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Expanding the possibilities of AIS data with heuristics
    Autorzy:
    Smestad, B.B.
    Rødseth, Ø.J.
    Asbjjørnslett, B.E.
    Powiązania:
    https://bibliotekanauki.pl/articles/116611.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Automatic Identification System (AIS)
    AIS Data
    heuristics
    commercial ship data registers
    heuristic training
    heuristic testing
    satellite AIS Data
    commercial vessel database
    Opis:
    Automatic Identification System (AIS) is primarily used as a tracking system for ships, but with the launch of satellites to collect these data, new and previously untested possibilities are emerging. This paper presents the development of heuristics for establishing the specific ship type using information retrieved from AIS data alone. These heuristics expand the possibilities of AIS data, as the specific ship type is vital for several transportation research cases, such as emission analyses of ship traffic and studies on slow steaming. The presented method for developing heuristics can be used for a wider range of vessels. These heuristics may form the basis of large-scale studies on ship traffic using AIS data when it is not feasible or desirable to use commercial ship data registers.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 2; 279-286
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ships’ routes to Polish Ports of the Gulf of Gdańsk
    Autorzy:
    Wawruch, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063976.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Safety at Sea
    Ships' Routes
    Gulf of Gdansk
    Baltic Ship Monitoring System
    Baltic Sea Hydrographic Commission
    Polish Maritime Administration
    Automatic Identification System
    Polish Ports
    Opis:
    The paper discusses ships’ routes to Polish ports in the Gulf of Gdańsk determined on the basis of data obtained from the Baltic Ship Monitoring System by means of AIS coast stations and defined by the Baltic Sea Hydrographic Commission (BSHC). The measures to regulate maritime traffic implemented by the Polish maritime administration in order to reduce the identified risk of groundings and ship collisions are presented, as well as the author's opinion on their effectiveness.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 583--590
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary inter-comparison of AIS Data and optimal ship tracks
    Autorzy:
    Mannarini, G.
    Carelli, L.
    Zissis, D.
    Spiliopoulos, G.
    Chatzikokolakis, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/116108.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Data
    ship track
    Copernicus Marine Environment Monitoring Service (CMEMS)
    Automatic Identification System (AIS)
    VISIR (discoVerIng Safe and effIcient Routes)
    VISIR track
    VISIR model
    optimal ship track
    Opis:
    Optimal ship tracks computed via the VISIR model are compared to tracks recorded by the Automatic Identification System (AIS). The evaluation regards 43 tracks in the Southern Atlantic Ocean, sailed during 2016-2017 by different bulk carriers. In this exercise, VISIR is fed by wave analysis fields from the Copernicus Marine Environment Monitoring Service (CMEMS). In order to reproduce vessel speed loss in waves, a new methodology is developed, where kinematic information from AIS is fusioned with wave information from CMEMS. Resulting VISIR tracks are analyzed along with AIS tracks in terms of their topological features and duration. The tracks exhibit quite diverse topological shapes, including orthodromic, loxodromic, and other paths with complex and dynamic diversions. The distribution of AIS to VISIR track durations is analyzed in terms of several parameters, such as the AIS to VISIR track length and their Fréchet distance. Model features of VISIR affecting the results are discussed and future developments suggested by the results are outlined.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 1; 53-61
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Formal Safety Assessment (FSA) for Analysis of Ship Collision Using AIS Data
    Autorzy:
    Zaman, M.B.
    Santoso, A.
    Kobayashi, E.
    Wakabayashi, D.
    Maimun, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/116666.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Data
    Automatic Identification System (AIS)
    Formal Safety Assessment (FSA)
    geographic information system (GIS)
    Analysis of Ship Collision
    Collision Avoidance
    Malacca Strait
    safety at sea
    Opis:
    Currently, Maritime safety is the best issue in the world. International Maritime organization (IMO) have recommended FSA methodology to enhance maritime safety. In this paper, the research conducted in the Malacca Strait. Malacca Strait is an area that has a high risk for shipping navigation. Many accidents occur in the area are like collision, fire, grounding and so on. Therefore a study on improving safety in this area is very important. it is to produce an output that can be used to provide input to the master and multiple stakeholders to improve safety on board at the time of sailing. In this study, AIS is used as a data source. Sea condition data collected actual traffic through the Automatic Identification System (AIS) equipment installed at Kobe University, Japan, and Universiti Teknologi Malaysia (UTM) in Johor, Malaysia. The data is applied to define a method with the help of Geographic Information Systems (GIS).
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 67-72
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Method foranalyzing AIS data and determination of simultaneously ships passage via strait of split
    Autorzy:
    Bukljaš, M.
    Vukša, S.
    Pavić, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/116084.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Automatic Identification System (AIS)
    AIS Data
    strait of split
    ships passage
    AIS Decoder
    simultaneous ship passage
    Vessel Traffic Service (VTS)
    International Waterway Risk Assessment Program (IWRAP)
    Opis:
    The traffic density is a basic characteristic of marine traffic for some navigational area. In the case of narrow channels such as Strait of Split (Splitska vrata), apart from the traffic density, the number of simultaneous ship passages is also important as well as ships characteristics. Based on such data, additional navigational safety guidelines and regulations may be planned for the observed area. The purpose of this research is to determine the number of simultaneous ship passages via Strait of Split for a certain period of time. Collected AIS data in SPNMEA format was decoded by AIS Decoder online program to csv file. For five randomly selected days in the summer period, based on AIS data, the number of simultaneous ship passages was determined and ships information presented.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 4; 679-684
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Alternative maritime satellite solutions for enhanced GMDSS network
    Autorzy:
    Ilcev, D. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2172508.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    International Maritime Organization
    Global Maritime Distress and Safety System
    Maritime Global Ship Tracking
    Maritime GNSS Augmentation Satellite Data Link
    Satellite Data Link
    Integrated Radio-Automatic Identification System
    International Mobile Satellite Organization
    Opis:
    In this paper are introduced alternative architectures for the novel development of the enhanced Global Maritime Distress and Safety System (GMDSS) satellite communication network and equipment within the Gostationary Erath Orbits (GEO and Non-GEO satellite constellations. Since its founding in 1959, the International Maritime Organization (IMO) and its member states, in close co-operation with the International Telecommunication Union (ITU) and other international organizations, notably the World Meteorological Organization (WMO), the International Hydrographic Organization (IHO), the International Mobile Satellite Organization (IMSO) and Cospas-Sarsat partners, have striven to improve maritime distress and safety radio and satellite communications, as well as general communications for operational and personal purposes. This paper also reviews the principal concept of the GMDSS network, an overview of existing LRIT and maritime Integrated Radio-Automatic Identification System (R-AIS) and Satellite-AIS (S-AIS) networks. In addition, new proposed by author networks of the Satellite Data Link (SDL), Maritime GNSS Augmentation Satellite Data Link (GASDL), Maritime Global Ship Tracking (GST), and Maritime Satellite Automatic Dependent Surveillance-Broadcast (SADS-B) are also described in this paper.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 2; 267--272
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Classifying Ship Encounters to Monitor Traffic Safety on the North Sea from AIS Data
    Autorzy:
    Iperen, W. H.
    Powiązania:
    https://bibliotekanauki.pl/articles/117580.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Data
    Automatic Identification System (AIS)
    North Sea
    Distance at Closest Point of Approach (DCPA)
    Time to Closest Point of Approach (TCPA)
    Classifying Ship Encounters
    Traffic Safety
    traffic
    Opis:
    In studies for the Dutch Ministry of Infrastructure and the Environment, MARIN has developed methods to classify ship encounters on the North Sea from AIS data. The methods use the Distance at Closest Point of Approach (DCPA), Time to Closest Point of Approach (TCPA), and an estimate of ship domains, to determine for each crossing, head-on, and overtaking encounter, whether these follow abnormal patterns. On august 1 2013, the route structure on the North Sea, was rearranged to improve safety and efficiency. The encounter classification methods were applied to two years of AIS data. Heat maps of encounters show how the junctions have shifted. For these junctions, the numbers of encounters were compared. This paper discusses the methods to classify encounters, and the results of the comparison of the route structures. The results show a decrease of the number of exceptional head-on and crossing encounters in the new route structure.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 51-58
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sharing ships’ weather data via AIS
    Autorzy:
    Tetreault, B.
    Johnson, G. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/116768.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Assisted Services
    weather data
    Automatic Identification System (AIS)
    AIS Application-Specific Message (ASM)
    National Transportation Safety Board’s (NTSB)
    Voluntary Observing Ship (VOS)
    National Oceanic and Atmospheric Administration (NOAA)
    U.S. Army Corps of Engineers (USACE)
    Opis:
    In the aftermath of the sinking of the US-flagged containership El Faro in October 2015, one of the U.S. National Transportation Safety Board’s (NTSB) recommendations was for the National Oceanic and Atmospheric Administration (NOAA) to explore increasing the collection of weather data from ships in order to improve the weather forecast products that they distribute. Currently NOAA runs the Voluntary Observing Ship (VOS) program, where ships voluntarily submit weather observations to NOAA. However, only a small fraction of the thousands of vessels sailing worldwide participate in this program, and VOS weather observations are submitted infrequently, typically four times per day via a mainly manual process. One method being explored to automate and increase the frequency of data submittal is by using the existing Automatic identification System (AIS) equipment installed aboard vessels. Most commercial ships (in particular those subject to the International Maritime Organization's (IMO) Safety of Life and Sea (SOLAS) convention) have a Class A AIS transceiver installed to comply with mandatory carriage requirements. Many vessels not required to carry AIS equipment voluntarily install AIS transceivers (either Class A or B). All of these AIS transceivers (except for the Class B “CS”) can be used to transmit an AIS message 8 (broadcast binary message) by sending the transceiver an appropriately formatted NMEA sentence (BBM). Weather data can be embedded in an AIS application-specific message (ASM) carried by the AIS message 8 and automatically transmitted by the ship. This transmission can be received by terrestrial AIS stations (when in range) or by satellite AIS receivers. The AIS weather data can then be converted into the appropriate format and forwarded to the weather forecasting offices for use in models and weather predictions. This data may also be of use to other researchers monitoring climate change or other environmental factors. By leveraging this existing base of AIS transmitters, the volume of weather data being sent to weather forecast offices and others could be greatly increased. The U.S. Army Corps of Engineers (USACE) and U.S. Maritime Administration (MARAD) have been exploring the feasibility of this concept. Following a simple bench test performed by Alion Science in September 2018, an initial proof-of-concept was tested aboard the MARAD vessel Cape Wrath while moored in Baltimore in October 2018. After this successful demonstration, a prototype was installed on the Massachusetts Maritime Academy training ship TS Kennedy during her training cruise Jan-Feb 2019. During this cruise, the AIS equipment aboard the ship transmitted weather data at 3-minute intervals. Several different ASM formats were tested, including two developed specifically for this test to improve satellite reception. This report will discuss the concept, the demonstrations, and the results to date including the efficacy of the various ASM formats.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 143-150
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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