Autor: Yang, D. D. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis of the Effect of Time Delay on the Integrated GNSS/INS Navigation Systems
Autorzy:: Yang, C.K.
Shim, D.S.
Powiązania:: https://bibliotekanauki.pl/articles/115995.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:: time delay
inertial navigation system (INS)
Global Navigation Satellite System (GNSS)
computer simulation
Opis:: The performance of tightly coupled GNSS/INS integration is known to be better than that of loosely coupled GNSS/INS integration. However, if the time synchronization error occurs between the GNSS receiver and INS(Inertial Navigation System), the situation reverses. The performance of loosely coupled GNSS/INS integration and tightly coupled GNSS/INS integration is analyzed and compared due to time synchronization error by computer simulation.
Źródło:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 2; 199-204
2083-6473
2083-6481
Pojawia się w:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Ship Trajectory Control Optimization in Anti-collision Maneuvering
Autorzy:: Zhang, J. F.
Yang, X. D.
Zhang, D.
Haugen, S.
Powiązania:: https://bibliotekanauki.pl/articles/116373.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:: anticollision
ship trajectory
genetic algorithm
route optimization
Opis:: A lot of attention is being paid to ship’s intelligent anti‐collision by researchers. Several solutions have been introduced to find an optimum trajectory for ship, such as Game Theory, Genetic or Evolutionary Algorithms and so on. However, ship’s maneuverability should be taken into consideration before their real applications. Ship’s trajectory control in anti‐collision maneuvering is studied in this paper. At first, a simple linear ship maneuverability model is introduced to simulate its movement under different speed and rudder angle. After that, ship’s trajectory control is studied by considering the duration of rudder, operation distance to turning points, and maximum angular velocity. The details for algorithm design are also introduced. By giving some restrictions according to the requirements from COLREGs, the intervals for rudder angle in different circumstances can be determined based on the curves. The results can give very meaningful guidance for seafarers when making decisions.
Źródło:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 1; 89-93
2083-6473
2083-6481
Pojawia się w:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

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

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