International Journal of Physics
ISSN (Print): 2333-4568 ISSN (Online): 2333-4576 Website: Editor-in-chief: B.D. Indu
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International Journal of Physics. 2016, 4(6), 181-186
DOI: 10.12691/ijp-4-6-5
Open AccessArticle

Control of Roll Motion of Fishing Vessel by Fin-Stabilizer Using PID Controller

Hassan Ghassemi1, , Hamid Malekizade1 and Arash Ashrafi1

1Department of Maritime Engineering, Amirkabir University of Technology, 424 Hafez Ave, Tehran, Iran

Pub. Date: January 03, 2017

Cite this paper:
Hassan Ghassemi, Hamid Malekizade and Arash Ashrafi. Control of Roll Motion of Fishing Vessel by Fin-Stabilizer Using PID Controller. International Journal of Physics. 2016; 4(6):181-186. doi: 10.12691/ijp-4-6-5


The aim of this study is to diminish the roll motion of the fishing vessel using fin-roll stabilizer. In this regard, lift coefficient of the fin and the hydrodynamic coefficients of the roll equation are calculated by empirical formulas. In effect, constrained LQR (Linear Quadratic Regulator) controller is designed and used to control the roll motion in the presence of operational constraints of fin’s actuator. In order to boost the validity of our results, the performance of this controller is compared with a conventional PID (Proportional-Integral-Derivative) controller. Finally, simulation results indicate the significant amount of reduction in roll amplitude.

PID controller fishing vessel fin roll stabilizer

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