<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Fin stabilizers are very effective devices for controlling the ship roll motion against external wave-generated moments. Lift forces due to flow around fin with an angle of attack produce anti - roll moment. Therefore control of attack angle plays important role in reducing roll of ships. This paper presents results of using a combined neural network and PID for roll control of ship with small draught. Numerical results are given of around-fin flow analysis with considering free surface effect modelled by neural network and imposed to controlling loop. Hydraulic machinery constraints are also considered in the modelling. The obtained results show good performance of the controller in reducing roll amplitude in random seas. The approach can be used for any irregular sea conditions.</p></abstract>

Fin stabilizers are very effective devices for controlling the ship roll motion against external wave-generated moments. Lift forces due to flow around fin with an angle of attack produce anti - roll moment. Therefore control of attack angle plays important role in reducing roll of ships. This paper presents results of using a combined neural network and PID for roll control of ship with small draught. Numerical results are given of around-fin flow analysis with considering free surface effect modelled by neural network and imposed to controlling loop. Hydraulic machinery constraints are also considered in the modelling. The obtained results show good performance of the controller in reducing roll amplitude in random seas. The approach can be used for any irregular sea conditions.

Neural network-PID controller for roll fin stabilizer

Faculty of Marine Technology, Amirkabir University of Technology, Tehran, Iran

Faculty of Mechanical Engineering, Sharif University of Technology, Tehran, Iran

Polish Maritime Research

{"article-title":"Neural network-PID controller for roll fin stabilizer"}

Fin stabilizers are very effective devices for controlling the ship roll motion against external wave-generated moments. Lift forces due to flow around fin...

Neural network-PID controller for roll fin stabilizer

Online veröffentlicht: 22. Nov. 2010

Seitenbereich: 23 - 28

DOI: https://doi.org/10.2478/v10012-010-0014-3

Schlüsselwörter
Fin stabilizer, neural network, PID control, restoring force

This content is open access.

Neural network-PID controller for roll fin stabilizer

Online veröffentlicht: 22. Nov. 2010

Seitenbereich: 23 - 28

DOI: https://doi.org/10.2478/v10012-010-0014-3

SchlüsselwörterFin stabilizer, neural network, PID control, restoring force

This content is open access.

Schlüsselwörter
Fin stabilizer, neural network, PID control, restoring force