<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In cases when the navigational space of the manoeuvre performed by the ship is severely limited, the procedures making use of the rudder blade, propeller screw, and thrusters are very complicated. Such situations take place when the ship manoeuvres inside the harbour area and in those cases the structure of the control system is very complex. Te article describes the algorithm of multivariable control of ship motion over the water surface, which makes use of the state vector consisting of 6 variables. Tree of them, which are the position coordinates (<italic>x, y</italic>) measured by the DGPS system and the ship heading <italic>y</italic> measured by gyro-compass, were obtained experimentally. Te three remaining variables, which are the velocities in surge u, sway v, and yaw r directions, were estimated by Kalman filter, Kalman-Bucy filter and extended Kalman flter, respectively.</p><p>The control algorithms making use of these observers were examined using the training ship “Blue Lady” which was navigated on the lake Silm in Ilawa/Kamionka in the Ship Handling Research and Training Centre owned by the Foundation for Safety of Navigation and Environment Protection. Te experimental results obtained using control systems with three observers were finally compared between each other.</p></abstract>

In cases when the navigational space of the manoeuvre performed by the ship is severely limited, the procedures making use of the rudder blade, propeller screw, and thrusters are very complicated. Such situations take place when the ship manoeuvres inside the harbour area and in those cases the structure of the control system is very complex. Te article describes the algorithm of multivariable control of ship motion over the water surface, which makes use of the state vector consisting of 6 variables. Tree of them, which are the position coordinates (x, y) measured by the DGPS system and the ship heading y measured by gyro-compass, were obtained experimentally. Te three remaining variables, which are the velocities in surge u, sway v, and yaw r directions, were estimated by Kalman filter, Kalman-Bucy filter and extended Kalman flter, respectively.The control algorithms making use of these observers were examined using the training ship “Blue Lady” which was navigated on the lake Silm in Ilawa/Kamionka in the Ship Handling Research and Training Centre owned by the Foundation for Safety of Navigation and Environment Protection. Te experimental results obtained using control systems with three observers were finally compared between each other.

Dynamic Positioning System for a Ship on Harbour Manoeuvring with Different Observers. Experimental Results

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In cases when the navigational space of the manoeuvre performed by the ship is severely limited, the procedures making use of the rudder blade, propeller...

Dynamic Positioning System for a Ship on Harbour Manoeuvring with Different Observers. Experimental Results

Published Online: Oct 28, 2014

Page range: 13 - 24

DOI: https://doi.org/10.2478/pomr-2014-0025

Keywords
Dynamic positioning system, Manoeuvring control, Observers, Real-time experiments

© 2014 Mirosław Tomera

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Dynamic Positioning System for a Ship on Harbour Manoeuvring with Different Observers. Experimental Results

Published Online: Oct 28, 2014

Page range: 13 - 24

DOI: https://doi.org/10.2478/pomr-2014-0025

KeywordsDynamic positioning system, Manoeuvring control, Observers, Real-time experiments

© 2014 Mirosław Tomera

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Dynamic positioning system, Manoeuvring control, Observers, Real-time experiments