Model predictive control of ship dynamic positioning with state estimator

WANG Gang; LI Wen-hua; CHEN Hai-quan; LIN Ben-hao

doi:10.16411/j.cnki.issn1006-7736.2015.03.005

Journal of Dalian Maritime University >

2015 , Vol. 41 >Issue 3: 24 - 28

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2015.03.005

Model predictive control of ship dynamic positioning with state estimator

WANG Gang ,
LI Wen-hua ,
CHEN Hai-quan ,
LIN Ben-hao

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(Marine Engineering College, Dalian Maritime University, Dalian 116026 , China)

Received date: 2014-08-29

Revised date: 2014-11-20

Online published: 2014-12-01

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Abstract

For the problem that not all the state variables used in the ship dynamic positioning control system can be measured, a model predictive controller of ship dynamic positioning with state estimator was designed to improve the control accuracy of the system. A comparative analysis through the simulation of the model predictive control with or without constraints was made, and state estimator was conducted based on MATLAB. Results show that the model predictive control of ship dynamic positioning with state estimator can improve the control effect of dynamic positioning, the effectiveness of this proposed control arithmetic was validated.

Key words： ship; dynamic positioning; model predictive control; state estimator

Cite this article

WANG Gang , LI Wen-hua , CHEN Hai-quan , LIN Ben-hao . Model predictive control of ship dynamic positioning with state estimator[J]. Journal of Dalian Maritime University, 2015 , 41(3) : 24 -28 . DOI: 10.16411/j.cnki.issn1006-7736.2015.03.005

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