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Wyświetlanie 1-15 z 23
Tytuł:
Target Tracking in RIS
Autorzy:
Kazimierski, W.
Stateczny, A.
Powiązania:
https://bibliotekanauki.pl/articles/116190.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Inland Navigation
river information service (RIS)
Target Tracking
RIS System
Tracking System
Vessel Tracking
vessel traffic service (VTS)
radar
Opis:
The article treats of problems bound with the tracking of surface water targets in RIS systems. A concept of RIS has been briefly presented, indicating the need for locating in them the tracking and tracing of ships. The most popular sensors used for the purpose have been characterised, the most important relevant documents have been presented and the requirements set for tracking systems have been described.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2009, 3, 4; 385-390
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Prototype of Ship Routing Decision Support System for an Operational Oceanographic Service
Autorzy:
Mannarini, G.
Coppini, G.
Oddo, P.
Pinardi, N.
Powiązania:
https://bibliotekanauki.pl/articles/116874.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Ship Routing
decision support system (DSS)
Operational Oceanographic Service
Opis:
A prototype for an operational ship routing Decision Support System using time‐dependent meteo‐oceanographic fields is presented. The control variable is ship course, which is modified using a directional resolution of less than 27 degrees. The shortest path is recovered using a modified Dijkstra’s algorithm. Safety restrictions for avoiding surfriding and parametric rolling according to the guidelines of the International Maritime Organization (IMO) are implemented. Numerical experiments tailored on a mediumsize vessel are presented and perspectives of development of the system are outlined.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 1; 53-59
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Consideration of a general model of stochastic service curve for communication networks
Autorzy:
Wasielewska, K.
Borys, A.
Powiązania:
https://bibliotekanauki.pl/articles/117055.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
communication networks
stochastic service
communication system
maritime telecommunications area
Quality of Service (QoS)
stochastic network calculus
modelling of model of stochastic service curve
stochastic service curve
Opis:
In this paper, a general framework for modelling stochastic service curves for communication networks is presented. It connects with each other two approaches to the traffic analysis and performance evaluation of communication systems, namely, the one which is called a deterministic network calculus with its stochastic counterpart. Thereby, it enables to treat any communication traffic in a consistent way. Further, as we show here, it enables also achieving new results. Derivation of the above model is presented in details in this paper. Finally, some hints are given how the method presented in this article could be applied in maritime telecommunications area.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 1; 159-164
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On analysis of LitPOS stations time series and velocities
Autorzy:
Puškorius, V.
Paršeliūnas, E.
Baniulis, R.
Galinauskas, K.
Valotka, S.
Powiązania:
https://bibliotekanauki.pl/articles/117246.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
time service
global navigation
CATREF
fennoscandia
Real Time Kinematic (RTK)
national coordinate system
LitPOS (Lithuanian Positioning System)
LatPOS (Latvian Positioning System)
Opis:
LitPOS (Lithuanian Positioning System), the network of continuously operating GNSS (Global Navigation Satellite System) stations, became operational in July 2007. It provides data both for real-time and post-processing applications. LitPOS stations cover the whole territory of Lithuania. There are 31 of LitPOS GNSS stations in total network. Also LitPOS network includes 3 ASGEUPOS (Poland) and 6 LATPOS (Latvia) stations. LitPOS network data processing and analysis of station’s velocities was done using Bernese 5.2, TSview and CATREF programs. Results of analysis show that North/East velocities of the LitPOS stations are very homogeneous what leads to the conclusion that there are no any significant horizontal deformations of Earth’s crust in the territory of Lithuania. Up components of LitPOS stations velocities fit very well to vertical movements of Earth’s crust as described by the land uplift models of Fennoscandia.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 2; 459-463
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Supply chains for the oil & gas sector. identification and location of the oilfield service operators in the Contemporary Geopolitical System
Autorzy:
Rutowicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/116100.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
cargo handling
supply chain
oil&gas sector
oilfield service
geopolitical system
Contemporary Geopolitical System
International Oil Company (IOC)
National Oil Company (NOC)
Opis:
Upstream in Oil&Gas sector is the beginning of most operations at entire supply chain management. A close-knit bound between this sector and further links of logistics providers is perceivable on daily basis. Any turnaround has a significant impact on the whole supply chain and its management. Awareness of market fluctuations and knowing its strongest players helps to conceptualize the strategy of optimization and prepare for unpredictable. In this work I aim to identify factors which have to be taken into consideration while optimizing the supply chain for the Oil&Gas Sector.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 2; 485-492
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 the IANS Chain Using a Satellite System
Autorzy:
Czaplewski, K.
Powiązania:
https://bibliotekanauki.pl/articles/116843.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Interactive Navigational Structures (IANS)
navigational methods
navigation techniques
terrestrial navigation
vessel traffic service (VTS)
satellite system
satellite positioning system
differential GPS (DGPS)
Opis:
This paper presents ideas for creating and developing Interactive Navigational Structures (IANS) by using satellite systems. The author of the present paper introduced the concept of IANS into the literature in 2004 (Czaplewski, 2004). The paper presents the possibility of adapting the contemporary methods of robust estimation that are used in geodesy for the purpose of performing selected marine navigation tasks. IANS utilise modern M-estimation methods. Interactive structures can assist human beings in carrying out special tasks at sea, for example, in identifying objects at sea and on land without the need to approach them. Moreover, these structures can also be used in the process of navigation carried out by underwater vehicles or unmanned watercraft. This paper presents the mathematical methods that are essential for creating IANS. The theoretical assumptions are illustrated with an example of how IANS can be used while performing a typical navigation task. The paper closes with information about research studies which deal with the practical aspects of using this set of mathematical methods.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8 no. 4; 485-493
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Applying Graph Theory Terms to Description of VTS
Autorzy:
Jackowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/116154.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
vessel traffic service (VTS)
Marine Traffic System
graph theory
Graph Description
Matrix Notation
Applied Graph Theory
Opis:
The paper presents an example of applying graph theory notation to description of a VTS; it also contains some remarks on applicability of such notation for marine traffic systems.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2009, 3, 1; 55-58
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Passage Planning System in Ports: An overview
Autorzy:
Yip, T. L.
Powiązania:
https://bibliotekanauki.pl/articles/116807.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Sea Ports
Passage Planning
Passage Planning System in Ports
Maritime Traffic
Traffic Control
Vessel Traffic Control
vessel traffic service (VTS)
Passage Planning System (PPS)
Opis:
A conceptual model is proposed to monitor marine traffic through precautionary areas, which can provide us with a systematic control of passage planning in ports. On one hand, vessel traffic control has its special features and is fundamentally different from highway, air and pedestrian traffic control. The existing traffic control systems cannot be simply extended to vessel traffic control without addressing marine traffic features. On the other hand, existing vessel traffic control focuses on one ship or two ships but does not address the flows of marine traffic.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 4; 483-487
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Novel Through Capacity Model for One-way Channel Based on Characteristics of the Vessel Traffic Flow
Autorzy:
Nie, Y.
Liu, K.
Xin, X.
Yu, Q.
Powiązania:
https://bibliotekanauki.pl/articles/115997.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
maritime traffic
vessel traffic service (VTS)
vessel traffic flow
one-way channel
mathematical model
Automatic Identification System (AIS)
Opis:
Vessel traffic flow is a key parameter for channel-through capacity and is of great significance to vessel traffic management, channel and port design and navigational risk evaluation. Based on the study of parameters of characteristics of vessel traffic flow related to channel-through capacity, this paper puts forward a brand-new mathematical model for one-way channel-through capacity in which parameters of channel length, vessel arrival rate and velocity difference in different vessels are involved and a theoretical calculating mechanism for the channel-through capacity is provided. In order to verify availability and reliability of the model, extensive simulation studies have been carried out and based on the historical AIS data, an analytical case study on the Xiazhimen Channel validating the proposed model is presented. Both simulation studies and the case study show that the proposed model is valid and all relative parameters can be readjusted and optimized to further improve the channel-through capacity. Thus, all studies demonstrate that the model is valuable for channel design and vessel management.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 3; 495-502
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
E-Chartering Web Based Platforms Between Success and Failure
Autorzy:
Batrinca, G.
Powiązania:
https://bibliotekanauki.pl/articles/116406.pdf
Data publikacji:
2008
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
e-Chartering
e-Chartering Web Platform
e-Business
e-Chartering System
e-Chartering Service
Shipping
Sea Transportation
Digital Economy
Opis:
For many years there is a debate in the shipping industry over the impact of e-chartering web platforms on small and medium chartering houses. Although a lot of efforts and money have been spent in developing such platforms, their impact was lower than anticipated and only few of them are still active. This paper will try to evaluate why such e-chartering systems failed and what would be main requirements for a successful e-chartering web platform.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2008, 2, 3; 293-296
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Data Acquisition in a Manoeuver Auto-negotiation System
Autorzy:
Szlapczynska, J.
Powiązania:
https://bibliotekanauki.pl/articles/116788.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Trajectory Planning with Negotiation
Trajectory Planning
Negotiation
Auto-Negotiation System
Data Acquisition, Manoeuvering
vessel traffic service (VTS)
Collision Avoidance
Opis:
Typical approach to collision avoidance systems with artificial intelligence support is that such systems assume a central communication and management point (such as e.g. VTS station), usually located on shore. This approach is, however, not applicable in case of an open water encounter. Thus, recently a new approach towards collision avoidance has been proposed, assuming that all ships in the encounter, either restricted or open water, communicate with each other and negotiate their maneuvers, without involving any outer management or communication center. Usually the negotiation process is driven by the collision avoidance software and called auto-negotiation. This paper elaborates on data acquisition problem in case of the maneuver auto-negotiation. It focuses on ships' initialization in the system and data gathering.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 3; 343-348
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
EGNOS performance along finnish coast
Autorzy:
González, R.
Lacarra, E.
López, M.
Heikonen, K.
Powiązania:
https://bibliotekanauki.pl/articles/2063972.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
EGNOS
European Geostationary Navigation Overlay Service
International Electrotechnical Commission
Satellite Based Augmentation System
Maritime community
finnish coast
finnish waters
Opis:
The purpose of this article is on one side to inform Maritime community about the ongoing activities adopted for the provision of EGNOS (European Geostationary Navigation Overlay Service) L1 maritime service and IEC standardisation process to produce a new IEC (International Electrotechnical Commission) standard for SBAS maritime receivers and on the other side, to demonstrate the benefits of the SBAS system in Europe, EGNOS (European Geostationary Navigation Overlay Service) in high latitudes to Maritime community.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 551--556
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 Safety Level Analysis of the SWIM System in Air Traffic Management
Autorzy:
Krzykowska, K.
Siergiejczyk, M.
Rosiński, A.
Powiązania:
https://bibliotekanauki.pl/articles/117434.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Safety of Navigation
SWIM System
air traffic management (ATM)
Safety Level Analysis
Safety Level
Service-Oriented Architecture (SOA)
System Wide Information Management (SWIM)
communication
Navigation and Surveillance (CNS)
Opis:
Safety level analysis is included in the paper in context of SWIM system in air traffic management. The example is given. It examines the limitations and drawbacks of current ICT systems used for air traffic management. Analyzing the development of communication systems for the management of general air traffic, it can be concluded that the development of the terrestrial segment of the exchange of information between the parties relating to the air traffic will fluctuate towards a solution based on a service-oriented architecture SOA. This architecture will be the basis for the implementation of the concept of an information exchange system SWIM.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 1; 85-91
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-Assisted Service Provision and Crowdsourcing of Marine Meteorological Information
Autorzy:
Chang, J. S.
Huang, C. H.
Chang, S. M.
Powiązania:
https://bibliotekanauki.pl/articles/116576.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
crowdsourcing
meteorology
marine meteorological information
AIS-assisted service
Automatic Identification System (AIS)
typhoon forecast
Application-Specific Messages (ASM)
AIS-Weather project
Opis:
Ship navigation and operational activities at sea need meteorological and hydrographic information to enhance safety and efficiency. Besides observations collected from deployed data buoys, marine meteorological information services rely on weather observation reports from ships to increase the data density and thus service quality. Automatic Identification System (AIS), adopted internationally to facilitate ship-ship and ship-shore data exchange, has developed into communication links between ship/shore and buoys with many potential applications. This paper presents AIS applications designed and implemented for marine meteorological information services in a long-term project initiated by the Central Weather Bureau of Taiwan. Achievements of this initiative include: versatile service delivery via shore-based AIS network to shipborne application platforms such as smart phones, remote controllable moving weather data collection, and assisted sharing of weather observation reports from ships. Typhoon forecast and warning is one of the key applications implemented for this region.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 1; 63-67
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Developments of Interface for VHF, MF/HF Communication Using DSC in GMDSS Services in the Framework of E-navigation Concept
Autorzy:
Koshevyy, V. M.
Shyshkin, O. V.
Powiązania:
https://bibliotekanauki.pl/articles/2063978.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
e-Navigation
Global Maritime Distress and Safety System
e-Navigation Concept
DSC Communication
Search and Rescue
VHF/MF/HF
Vessel Traffic Service
Opis:
It is proposed the description of interface for VHF/MF/HF for simplification of DSC communication for implementation in the frame of conception developments in GMDSS services, applied to Maritime Mobile Services. This interface is realized within its integration with INS by an appropriate way on the base of common communication protocol for all three DSC communication sub bands in standardized and harmonized format and significantly simplifies the DSC user interface. It is very important for application in Maritime services, including GMDSS services, VTS services and SAR service. Suggested approach for improving DSC communication is based on the three main outputs of e-navigation strategic direction development related to the integration of communication and navigation equipment/systems, including standardized mode of operation. Implementation of the standardization demands to include in this integration the satellite AIS system. The feasibility of the proposal is supported by the existence of relevant IEC standards and IMO documents.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 593--600
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 23

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