Temat: Dynamic Ship Positioning - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: SLAM – Based Approach to Dynamic Ship Positioning
Autorzy:: Wróbel, K. A.
Powiązania:: https://bibliotekanauki.pl/articles/116689.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:: Dynamic Ship Positioning
Simultaneous Localization and Mapping (SLAM)
Dynamic Positioning (DP)
Reference System
SLAM Method
SLAM Post-Processing
Doppler Velocity Log (DVL)
Hydroacoustics
Opis:: Dynamically positioned vessels, used by offshore industry, use not only satellite navigation but also different positioning systems, often referred to as ‘reference’ systems. Most of them use multiple technical devices located outside the vessel which creates some problems with their accessibility and performance. In this paper, a basic concept of reference system independent from any external device is presented, basing on hydroacoustics and Simultaneous Localization and Mapping (SLAM) method. Theoretical analysis of its operability is also performed.
Źródło:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8, 1; 21-25
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:: The H2 and Robust Hinf Regulators Applied to Multivariable Ship Steering
Autorzy:: Gierusz, W.
Powiązania:: https://bibliotekanauki.pl/articles/116961.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:: Dynamic Ship Positioning (DSP)
Multivariable Ship Steering
Ship Steering
Multivariable Regulators
Simulation Model
Open-Loop System
Ship Handling Research and Training Centre at Ilawa
Polska
Manoeuvring
Opis:: The main goal of this task was a calculation of the two multivariable regulators for precise steering of a real, floating, training ship. The first one minimized the H2 norm of the closed-loop system. The second one was related to the Hinf norm. The robust control approach was applied in this controller with the usage of the structured singular value concept. Both controllers are described in the first part of the paper. Details of the training vessel and its simulation model then are presented. The state model of the control object obtained via identification process is described in the next section. This model with matrices weighting functions was the base for creation of ’the augmented state model’ for the open-loop system. The calculation results of the multivariable controllers is also shown in this section. Several simulations were performed in order to verify the control quality of both regulators. Exemplary results are presented at the end of this paper together with final remarks.
Źródło:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2009, 3, 4; 431-440
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:: Fractional Order Dynamic Positioning Controller
Autorzy:: Witkowska, A.
Powiązania:: https://bibliotekanauki.pl/articles/117405.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:: Marine Controllers
Dynamic Positioning Controller
Dynamic Positioning (DP)
PID Controller
Ship Control System
fractional order
Dynamic Positioning System
DP Vessel
Opis:: Improving the performance of Dynamic Positioning System in such applications as station keeping, position mooring and slow speed references tracking requires improving the position and heading control precision. These goals can be achieved through the improvement of the ship control system. Fractional-order calculus is a very useful tool which extends classical, integer-order calculus and is used in contemporary modeling and control applications. Fractional-order PI?D? controller, based on the added flexibility of fractional-order operators, are capable of superior performance compared to their integer-order counterparts. This paper presents the fractional order PI?D? controller designed to maintain the ship position and heading and the results were compared with classical integer order PID controller.
Źródło:: TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 3; 399-404
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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