Ship Dynamic Positioning Systems Based on Fuzzy Predictive Control

Wang Liyun, Xiao Jianmei, Wang Xihuai

Abstract


Dynamic Positioning Systems (DPS) is a technique of automatically maintaining the position of vessels within the specified limits by controlling thrusters. This paper introduces a fuzzy predictive control to position vessels. Firstly, the mathematical model of vessel is created and simplified. Then, we use feed-forward compensation to decouple the system. The T-S model is identified by Fuzzy C-Means clustering algorithm and Least Squares method. After that, we use Generalized Predictive Control (GPC) to control the ships in three degrees of freedom (DOF)-surge, sway and yaw. The simulation results show that the fuzzy predictive control can orient the vessels effectively.

 

 DOI: http://dx.doi.org/10.11591/telkomnika.v11i11.3527


Keywords


Dynamic Positioning Systems (DPS); T-S Model; Fuzzy C-Means (FCM) Clustering; Least Squares; Generalized Predictive Control (GPC)

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Indonesian Journal of Electrical Engineering and Computer Science (IJEECS)
p-ISSN: 2502-4752, e-ISSN: 2502-4760
This journal is published by the Institute of Advanced Engineering and Science (IAES) in collaboration with Intelektual Pustaka Media Utama (IPMU).

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