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    Tytuł:
    Automatyczny system identyfikacji oznakowania kodów oparty na mierze średniokwadratowej
    Automatic identyfication sytem based on mse
    Autorzy:
    Kowalski, J.
    Pęksiński, J.
    Mikołajczak, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/311850.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    automatyczna identyfikacja danych
    błąd średniokwadratowy
    kod kreskowy
    automatic data identification
    mean square error
    bar code
    Opis:
    W artykule autorzy przedstawili system identyfikacji oznakowania towarów, którego zasada działania oparta jest na analizie obrazów pozyskanych przy pomocy cyfrowych urządzeń rejestrujących takich jak kamery, skanery. W celu identyfikacji obrazów zastosowano popularną miarę jakości służącą do oceny obrazów cyfrowych "błąd średniokwadratowy".
    In this paper the authors present an identification system for marking of goods, the principle of which is based on the analysis of images obtained using digital recording devices such as cameras, scanners. In order to identify popular images used as to evaluate the quality of digital images "mean square error".
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2013, 14, 3; 507-511
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Automatyczna identyfikacja danych dotyczących przebiegu produkcji jako atrybut współczesnego przedsiębiorstwa
    Automatic identification of data concerning production process as an attribute of contemporary enterprise
    Autorzy:
    Maksajdowska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2058350.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    automatyczna identyfikacja danych
    systemy Auto-ID
    kody kreskowe
    raportowanie produkcji
    zintegrowane systemy automatyczne
    systemy WMS
    automatic data identification
    auto id-systems
    bar codes
    production reporting
    integrated IT systems
    WMS systems
    Opis:
    W artykule zawarte zostały informacje dotyczące sposobu wykorzystania automatycznej identyfikacji danych w celu monitorowania przebiegu procesu produkcyjnego. Referat ukazuje, że zastosowanie kodów kreskowych jako nośnika informacji powoduje usprawnienie przepływów obiektów oraz umożliwia bieżącą aktualizację danych dotyczących postępu produkcji. W opracowaniu ujęty został przykład użycia automatycznej identyfikacji danych w przedsiębiorstwie produkcyjnym posiadającym w swojej ofercie bardzo zróżnicowany asortyment, co wskazuje na szerokie możliwości wykorzystania tego narzędzia.
    The article contains information on how to use automatic data identification to monitor the progress of the production process. This study shows, that the use of bar codes as an information carrier improves the flow of objects and enables current updating of data of production progress. The study includes an example of the use of automatic data identification in a production company that has a very diversified assortment in its offer, which indicates the wide possibilities of using this tool.
    Źródło:
    Journal of TransLogistics; 2018, 4, 1; 129--138
    2450-5870
    Pojawia się w:
    Journal of TransLogistics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of new technologies on supply chain management in the armed forces
    Autorzy:
    Malinowski, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/347354.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
    Tematy:
    supply chain
    management
    new technologies
    automatic identification
    electronic data interchange
    Opis:
    The aim of this article is to analyze the impact of new technologies on supply chain management in the Armed Forces. The supply chain is not limited to the operations related to the physical movement of goods, but also includes the management of relations with suppliers and customers. However, the supply chain management, through the integration and coordination of both information and goods flow, is a main factor of the well-developed customer service. The changes in military logistics imposed the necessity of implementation of the modern information technologies in the Polish Armed Forces. The Polish Army has adopted the Integrated Multi-level Information System of the Ministry of Defense (ZWSI RON). The article describes various technologies used in supply chain management including information, communication and automatic identification technologies. The author emphasizes that modern technologies are essential to enhance supply chain competitiveness and performance by improving the overall effectiveness and efficiency of the logistic system. Moreover, implementing of various innovative technologies shortens the time required for the fulfillment of tasks as well as reduces their labor consumption.
    Źródło:
    Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki; 2017, 4; 231-248
    1731-8157
    Pojawia się w:
    Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of AIS data for qualitative and quantitative analysis of ship traffic flows
    Autorzy:
    Naus, Krzysztof
    Wąż, Mariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/316633.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    automatic identification system
    qualitative and quantitative analysis
    processing AIS data
    Opis:
    The article presents the idea of method of processing AIS data into information useful for qualitative and quantitative analysis of ship traffic flows. In the introduction the manner of exchanging and storing data in AIS was generally characterised. An original programme for creating maps of ship traffic intensity and tabular ship profiles was described in the main part. The last part presents analysis of ship traffic flows in the Gdańsk Bay in the year 2017, conducted with the use of the original software.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2019, 20, 12; 237-240
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study Reliability of the Information About the CPA and TCPA Indicated by the Ships AIS
    Autorzy:
    Wawruch, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/117321.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    maritime-related data
    AIS Data
    Automatic Identification System (AIS)
    CPA
    TCPA
    ARPA
    reliability of information
    colregs
    Opis:
    According to the IMO recommendation when the target data from AIS and radar tracking are both available and the association criteria are fulfilled such that the AIS and radar information are considered as for one physical target, then as a default condition in radar equipment, the AIS target symbol and the alphanumerical AIS target data should be automatically selected and displayed only. The article presents research conducted in real conditions on the reliability of information presented by the ship's AIS about the passing distance with the other vessel equipped with AIS and time to pass it by comparing data from the AIS with that presented by ARPA.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 3; 417-424
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    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:
    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:
    Systemy automatycznej identyfikacji – zastosowania i bezpieczeństwo danych
    Automatic identification systems – applications and data security
    Autorzy:
    Mazur, Zygmunt
    Mazur, Hanna
    Powiązania:
    https://bibliotekanauki.pl/articles/547649.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
    Tematy:
    Automatyczna identyfikacja
    bezpieczeństwo danych
    biometria
    QR-kod
    RFID
    Automatic identification
    data security
    biometric techniques
    QR-code
    Opis:
    Identyfikacja zwierząt, ludzi i przedmiotów stosowana była od bardzo dawna. Obecnie duże znaczenie zyskuje identyfikacja automatyczna umożliwiająca jednoznaczne rozpoznawanie obiektów przez urządzenia (automaty), przy minimalnej ingerencji człowieka. Identyfikacja obiektów wiąże się z kodowaniem danych, znakowaniem obiektów, zapisywaniem i przechowywaniem danych w bazach danych, odczytem danych przez odpowiednie urządzenia oraz wykorzystywaniem odpowiednich systemów informatycznych. Korzyści wynikające ze stosowania identyfikacji automatycznej to m.in: zwiększenie wydajności prac, obniżenie kosztów pracy, przyspieszenie obsługi klientów, możliwość identyfikacji obiektów będących w ruchu lub trudno dostępnych. Stosowana coraz częściej automatyczna identyfikacja obiektów wzbudza uzasadnione zainte-resowanie. Ogromne spektrum zastosowań, duża niezawodność, prostota i wygoda stosowania oraz miniaturowe rozmiary urządzeń, sprawiają, że identyfikacja automatyczna jest wykorzystywana coraz częściej. Cechy identyfikacji takie jak szybkość, jakość i niezawodność mają zasadnicze znaczenie dla jej masowego wykorzystywania. Jednak brak znajomości tych technologii, obawa o utratę prywatności i podejrzenia o możliwość inwigilacji dzięki wykorzystaniu automatycznej identyfikacji bez wiedzy i zgody obywateli w wielu przypadkach stanowi barierę w jeszcze powszechniejszym ich wykorzystywaniu. W pracy przedstawiono popularne obecnie technologie identyfikacji obiektów takie jak: kody kreskowe a w szczególności QR kody, technologię RFID (Radio Frequency IDentification) oraz techniki biometryczne. Wskazano liczne różnorodne obszary ich zastosowań oraz korzyści z ich wykorzystywania. Omówiono także możliwe zagrożenia dla bezpieczeństwa gromadzonych i przetwarzanych danych w tych technologiach oraz obawy obywateli przed ich stosowaniem.
    Identification of animals, people and objects has been used for long time. Automatic identifi-cation, which allows for unambiguous recognition of objects by devices (machines) with minimum human intervention, has become a topic of growing importance. Identification of objects is associated with the encoding of data, object marking, saving and storing data in databases, data access with proper equipment and the use of appropriate systems. The benefits of automatic identification include: increased productivity of work, lower labour costs, faster customer service, the ability to identify moving or difficult to access objects. Automatic identification of objects, which is used increasingly often, raises legitimate interest. Huge range of applications, high reliability, the simplicity and convenience of use and miniature sizes of equipment make automatic identification being used more and more frequently. Its characteristics such as speed, quality and reliability are essential to its mass use. However, the lack of comprehension of the technology, fear of loss of privacy and suspicion about the possibility of surveillance through the use of automatic identification without the knowledge and consent of citizens is still in many cases a barrier to their widespread use. This paper presents the currently popular object identification technologies such as bar codes and, in particular, QR codes, RFID (Radio Frequency Identification) and biometric techniques. It mentions a number of different areas of their uses and benefits. Also possible threats to the security of data collected and processed with these technologies and concerns of citizens against the use of these technologies are discussed.
    Źródło:
    Nierówności Społeczne a Wzrost Gospodarczy; 2013, 32; 192-206
    1898-5084
    2658-0780
    Pojawia się w:
    Nierówności Społeczne a Wzrost Gospodarczy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Study of Correlation between Fishing Activity and AIS Data by Deep Learning
    Autorzy:
    Shen, K. Y.
    Chu, Y. J.
    Chang, S. J.
    Chang, S. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1841621.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Data
    deep learning framework
    learning methods
    Recurrent Neural Network
    (RNN)
    Automatic Identification System
    (AIS)
    fishing operation
    Opis:
    Previous researches on the prediction of fishing activities mainly rely on the speed over ground (SOG) as the referential attribute to determine whether the vessel is navigating or in fishing operation. Since more and more fishing vessels install Automatic Identification System (AIS) either voluntarily or under regulatory requirement, data collected from AIS in real time provide more attributes than SOG which may be utilized to improve the prediction. To be specific, the ships' trajectory patterns and the changes in course become available and should be considered. This paper aims to improve the accuracy in the identification of fishing activities. First, we do feature extraction from the AIS data of coastal waters around Taiwan and build a Recurrent Neural Network (RNN) model. Then, the activity data of fishing vessels are divided into fishing and non-fishing. Finally, based on the testing by feeding various fishing activity data, we can identify the fishing status automatically.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 3; 527-531
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of satellite AIS Data to derive weather judging criteria for voyage route selection
    Autorzy:
    Fujii, M.
    Hashimoto, H.
    Taniguchi, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/116513.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Automatic Identification System (AIS)
    AIS Data
    voyage route selection
    route planning
    satellite AIS Data
    North Pacific Ocean
    weather forecast
    decision-making criteria
    Opis:
    The operational limitations are discussed at the IMO as a part of the second generation intact stability criteria. Since it is a first attempt to introduce operational efforts into safety regulations, comprehensive discussions are necessary to realize practically acceptable ones. Therefore this study investigates actual navigation routes of container ships and pure car carriers in the trans-North Pacific Ocean in winter, because they are prone to suffer significant parametric roll which is one of stability failure modes. Firstly, interviews are made to shipmasters who have experiences to have operated the subject ships to identify major elements for route selection in the North Pacific Ocean. Secondly, sufficient number of actual navigation records is collected from Satellite AIS data to derive the weather criteria for the route selection in severe weather condition. Finally, shipmaster’s on-board decision-making criteria are discussed by analysing the ship tracking data and weather data.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 2; 271-277
    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 Comparison Study on AIS Signal Reception Rate with Directional Antenna and Omni Antenna
    Autorzy:
    Xu, T.
    Hu, Q.
    Xiang, Z.
    Yang, C.
    Wang, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/116436.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Automatic Identification System (AIS)
    AIS Signal
    AIS Data
    Yagi antenna
    Omni antenna
    Directional Antenna
    reception rate
    VHF Technology
    Opis:
    With the wide use of AIS system in the world, especially in ports and the waters with heavy traffic, AIS message loss may be related to environmental conditions, obstacle, limitation of VHF technology and AIS network overload, thereby reducing the AIS signal successful reception rate. This paper selected typical AIS data received by Yagi and Omni antennas at the same time in specific waters, uses grid and AIS data recovery technology, establishes the AIS signal coverage model, analyzes signal reception rate of Yagi antenna and Omni antenna of AIS base station, and verified the superiority of Yagi antenna in AIS signal reception rate.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 2; 205-211
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research study and the model for improving the safety of navigation when using the AIS
    Autorzy:
    Medić, D.
    Bukljaš, M.
    Bošnjak, R.
    Vukša, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063973.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Safety at Sea
    Safety of Navigation
    Automatic Identification System
    AIS Data
    Adriatic Sea
    Improving the Safety
    Maritime Safety
    Opis:
    The use of the Automatic Identification System (AIS) devices for ensuring the safety of navigation and the errors occurring when using AIS equipment have been the focus of a number of research studies. The users of AIS equipment installed onboard sea-going vessels are required to familiar with the proper use of the devices and potential errors that may occur. A significant problem revealed in this study is the lack of understanding of potential error sources and the necessity to eliminate such errors prior to transmission of the AIS data message reading of the errors and failure to update the data processed by the AIS system. This results in a hypothesis on the insufficient training of seafarers and their familiarisation with the AIS devices and errors. This research is aimed at increasing the safety of navigation in the Adriatic Sea, as well as other seas, i.e. better accident prevention and protection of human life and material property at sea. The results produced by the research are used as an input for creating a model for enhancing the safety of navigation when using the AIS, through additional training of the seafarers.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 577--582
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Maritime Traffic Situations in Bornholmsgat
    Autorzy:
    Olindersson, F.
    Janson, C. E.
    Dahlmann, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/116033.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Maritime Traffic
    Baltic Sea
    Bornholmsgat
    COLREGs
    AIS Data
    Automatic Identification System (AIS)
    Collision Avoidance
    Traffic Separation Scheme (TSS)
    Opis:
    Maritime traffic situations is regulated in the Convention on the International Regulations for Preventing Collisions at Sea (COLREGs), but how well are these rules followed by officers on board vessels? When the world shipping fleet grow and the traffic becomes more intensive, the risk of collision increase. By analysing AIS data from vessels in the traffic separation scheme Bornholmsgat during 24 hours in December 2013, 421 traffic situations were found where the passing distance between the vessels were less than 1.5 nautical miles. The compliance with the Convention on the International Regulations for Preventing Collisions at Sea (COLREGs) seems to be good, but the average avoiding action is less than the recommended manoeuver.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 115-120
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ship route planning using historical trajectories derived from AIS Data
    Autorzy:
    He, Y. K.
    Zhang, D.
    Zhang, J. F.
    Zhang, M. Y.
    Li, T. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/116536.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Data
    Automatic Identification System (AIS)
    route planning
    historical trajectories
    AIS messages
    marine traffic
    Dijkstra algorithm
    ant colony algorithm
    Opis:
    Ship route planning is one of the key issues in enhancing traffic safety and efficiency. Many route planning methods have been developed, but most of them are based on the information from charts. This paper proposes a method to generate shipping routes based on historical ship tracks. The ship's historical route information was obtained by processing the AIS data. From which the ship turning point was extracted and clustered as nodes. The ant colony algorithm was used to generate the optimize route. The ship AIS data of the Three Gorges dam area was selected as a case study. The ships’ optimized route was generated, and further compared with the actual ship's navigation trajectory. The results indicate that there is space of improvement for some of the trajectories, especially near the turning areas.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 1; 69-76
    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:
    Identifying and Analyzing Safety Critical Maneuvers from High Resolution AIS Data
    Autorzy:
    Mestl, T.
    Tallakstad, K.T.
    Castberg, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/117375.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Data
    Automatic Identification System (AIS)
    High Resolution AIS Data
    Critical Maneuvers
    1-2-3 Rule
    vessel traffic service (VTS)
    AIS Transponder
    Safety of Navigation
    Opis:
    We demonstrate the value in previously disregarded parameters in AIS data, and present a novel way of quickly identifying and characterizing potentially safety critical situations for vessels with a properly configured AIS transponder. The traditional approach of studying (near) collision situations, is through vessel conflict zones, based on vessel location and speed from low resolution AIS data. Our approach utilizes the rate of turn parameter in the AIS signal, at maximum time resolution. From collision investigation reports it is often seen that prior to or at collision navigators perform frenetic rudder actions in the hope to avoid collision in the last second. These hard maneuverings are easily spotted as non-normal rate of turn signals. An identified potential critical situation may then be further characterized by the occurring centripetal acceleration a vessel is exposed to. We demonstrate the novelty of our methodology in a case study of a real ship collision. As the rate of turn parameter is directly linkable to the navigator behavior it provides information about when and to what degree actions were taken. We believe our work will therefore inspire new research on safety and human factors as a risk profiles could be derived based on AIS data.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 1; 69-77
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of a multiple regression model to determine the parameters of vessel traffic flow in port areas
    Autorzy:
    Nowy, A.
    Gucma, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/117457.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    maritime traffic engineering
    vessel traffic flow
    port areas
    multiple regression model
    fairway
    fairway parameters
    Automatic Identification System (AIS)
    AIS Data
    Opis:
    The paper presents the method of determining ships traffic stream parameters by means of regression method. The aim of the studies was to determine the correlation between the ship's parameters and the parameters of the fairway. Developing the presented model with information on the position of the vessel's antenna and information on the accuracy of position determination will allow creating a model for predicting the parameters of waterways.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 2; 443-449
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Procedure for Marine Traffic Simulation with AIS Data
    Autorzy:
    Miyake, R.
    Fukuto, J.
    Hasegawa, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/117537.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Data
    Marine Traffic
    Marine Traffic Simulation
    Collision Avoidance
    Automatic Identification System (AIS)
    safety at sea
    Traffic Simulation
    Navigation Environment
    Opis:
    It is essential to evaluate safety of marine traffic for the improvement of efficiency and safety of marine traffic. Spread of AIS makes observation of actual marine traffic more easily and faster than before. Besides, description of collision avoidance behaviours of ships are indispensable to simulate a realistic marine traffic. It is important to develop and implement an algorithm of collision avoidance corresponding to a target traffic or target area into the marine traffic simulation because actual actions for collision avoidance depend on circumstances where ships are sailing. The authors developed an automated marine traffic simulation system with AIS data. And in this paper, we proposed a series of systematic procedures for marine traffic simulation including analysing for collision avoidance behaviours using AIS data.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 59-66
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of master’s route selection criteria of vehicle carriers in North Pacific and North Atlantic using satellite AIS and Ocean wave data
    Autorzy:
    Fujii, M.
    Hashimoto, H.
    Taniguchi, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/116274.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Assisted Services
    Route Selection
    Route Selection Criteria
    Satellite AIS
    Ocean Wave Data
    Automatic Identification System (AIS)
    North Pacific
    North Atlantic
    Opis:
    The operational measures in which a ship needs to avoid specified areas to escape ship stability failures were discussed at the International Maritime Organization as a part of the second generation intact stability criteria. It is necessary that the rationality and practicality of the operational measures are carefully investigated. In this study, master’s route decision-making criteria of trans-ocean vehicle carriers have been clarified by comparing the Pacific and the Atlantic data, derived from Satellite AIS and ocean wave data. Features of voyage routes of each ocean were discussed, followed by analysis of the encountered wave direction and height during a voyage. The master’s route selection criteria were defined by comparing the probability densities of the wave heights that occurred in the navigable area and that of the actual encountered waves. The navigation hours in a stormy area were also studied.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 137-141
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Measuring container port complementarity and substitutability with Automatic Identification System (AIS) Data – studying the inter-port relationships in the Oslo Fjord multi-port gateway region
    Autorzy:
    Schøyen, H.
    Hjelmervik, K.
    Wang, H.
    Osen, O.L.
    Powiązania:
    https://bibliotekanauki.pl/articles/116687.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Automatic Identification System (AIS)
    AIS Data
    container port
    inter-port relationships
    Oslo Fjord
    container feeder vessels
    Norwegian Port
    multi-port gateway region
    Opis:
    This paper considers the degree of competition among small and medium-sized container ports located in a multi-port gateway region. The level of port competition is evaluated by means of an analysis of the revealed preferences in the port-calling pattern of container feeder vessels deployed on their various links and routes. Unit of analysis is feeder vessel sailing legs and ports stays at/between adjacent container ports. At these ports’ terminals, ships are moored and loading and unloading of containers are performed. The vessel movement data is provided by the Automatic Identification System (AIS). A study of the principal container ports in the Oslo Fjord area is performed, measuring the actual container feeder traffic during the year of 2015. It is demonstrated to which extent ports in the Oslo Fjord region are acting as substitutes, and to which extent they are functioning more as a complement to each other.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 2; 265-270
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Probability of Ship on Collision Courses Based on the New PAW Using MMG Model and AIS Data
    Autorzy:
    Asmara, I.P.S.
    Kobayashi, E.
    Artana, K.B.
    Powiązania:
    https://bibliotekanauki.pl/articles/116367.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Modeling of Maneuvering of Ships
    Crash Astern Maneuvers
    anticollision
    mathematical model
    Maneuvering
    Potential Area of Water (PAW)
    Automatic Identification System (AIS)
    AIS Data
    Opis:
    This paper proposes an estimation method for ships on collision courses taking crash astern maneuvers based on a new potential area of water (PAW) for maneuvering. A crash astern maneuver is an emergency option a ship can take when exposed to the risk of a collision with other ships that have lost control. However, lateral forces and yaw moments exerted by the reversing propeller, as well as the uncertainty of the initial speed and initial yaw rate, will move the ship out of the intended stopping position landing it in a dangerous area. A new PAW for crash astern maneuvers is thus introduced. The PAW is developed based on a probability density function of the initial yaw rate. Distributions of the yaw rates and speeds are analyzed from automatic identification system (AIS) data in Madura Strait, and estimated paths of the maneuvers are simulated using a mathematical maneuvering group model.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 43-50
    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:
    AIS based shipping routes using the dijkstra algorithm
    Autorzy:
    Silveira, P.
    Teixeira, A. P.
    Guedes-Soares, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/116029.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Dijkstra’s Algorithm
    AIS Data
    Automatic Identification System (AIS)
    AIS based shipping routes
    shipping routes
    Vessel Traffic Service (VTS)
    port of Setubal
    Ro-Ro Terminal
    Opis:
    This paper proposes an approach for identifying and characterizing shipping routes using information contained in Automatic Identification System messages broadcasted by ships and recorded by the coastal Vessel Traffic Service centre. The approach consists of using historical Automatic Identification System data to build a graph, where nodes are cells of a grid covering the geographical area being studied and the weights of directional edges are inversely related to ship movements between cells. Based on this graph, the Dijkstra algorithm is used to identify a potential safe route, assumed to be the most used route by ships between two locations. A second graph is created simultaneously, with the same nodes and edges, but with edge weights equal to the average speed of transitions between cells, thus allowing the determination of the average speed profile for any possible path within the graph. The proposed approach is applied to two scenarios: an approach to the port of Lisbon and the entry through the fairway to a RO-RO terminal in the port of Setubal in Portugal.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 3; 565-571
    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:
    Development of precise point positioning algorithm to support advanced driver assistant functions for inland vessel navigation
    Autorzy:
    Lass, C.
    Ziebold, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063986.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    real tme kinematic
    Global Navigation Satellite Systems
    state space representation
    VHF Data Exchange System
    precise point positioning
    navigation and timing
    Automatic Identification System
    inland navigation
    Opis:
    Bridge passing and passing waterway locks are two of the most challenging phases for inland vessel navigation. In order to be able to automate these critical phases very precise and reliable position, navigation and timing (PNT) information are required. Here, the application of code-based positioning using signals of Global Navigation Satellite Systems (GNSS) is not sufficient anymore and phase-based positioning needs to be applied. Due to the larger coverage area and the reduction of the amount of correction data Precise Point Positioning (PPP) has significant advantages compared to the established Real Time Kinematic (RTK) positioning. PPP is seen as the key enabler for highly automatic driving for both road and inland waterway transport. This paper gives an overview of the current status of the developments of the PPP algorithm, which should finally be applied in advanced driver assistant functions. For the final application State Space Representation (SSR) correction data from SAPOS (Satellitenpositionierungsdienst der deutschen Landesvermessung) will be used, which will be transmitted over VDES (VHF Data Exchange System), the next generation AIS.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 781--789
    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:
    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:
    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:
    Wpływ wdrożenia systemu usprawniającego procesy logistyczne na funkcjonowanie przedsiębiorstwa
    The functionality of the company before and after the implementation of the system to implement logistic processes
    Autorzy:
    Knapiński, M.
    Pietras, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/310664.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    proces logistyczny
    zarządzanie przedsiębiorstwem
    zintegrowany system zarządzania
    system automatycznej identyfikacji
    kod kreskowy
    elektroniczna wymiana danych
    EDI
    SAP R/3
    logistic process
    company management
    integrated management system
    automatic identification system
    barcode
    Electronic Data Interchange
    Opis:
    Współczesne przedsiębiorstwo przetwarza informacje których źródło ma charakter zarówno zewnętrzny jak i wewnętrzny. W związku z tym informacja i będąca jej efektem wiedza to majątek każdej organizacji. Aby przedsiębiorstwo miało szanse na sukces powinno wykorzystywać maksymalne możliwości zintegrowanych systemów zarządzania których częścią mogą być systemy informatyczne. Systemy te stanowią kolejną, obecną na rynku, generację systemów wspomagających zarządzanie przedsiębiorstwem. W artykule na przykładzie wybranego przedsiębiorstwa przedstawiono identyfikację systemów automatycznej identyfikacji kodów kreskowych, elektronicznej wymiany danych EDI, szczególnie uwzględniając systemy klasy SAP R\3.
    A modern company processes information inside and outside. Consequently, this information is the property of the enterprise. To be successful in the market, the company is required to use the maximum capabilities of integrated IT systems. These systems are the next on the market, generation of systems supporting company management. This article discusses the identification of automated barcode identification systems, EDI electronic data interchange, MRP/ERP systems, and especially SAP R\3 class systems on the example of an enterprise.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2017, 18, 6; 1425-1428, CD
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    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 1-30 z 30

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