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Dynamic positioning simulation, thrust optimization design and control of a drill ship under disturbances and faulty thruster

Lookup NU author(s): Professor Cheng Chin

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Abstract

The dynamic positioning simulation of an actual drill ship under a normal and faulty condition is proposed using MATLAB (TM) and Simulink (TM) software. The proposed simulation model provides a means to control a non-linear and coupled OD21 drill ship under different external perturbations, such as wind, wave, current and thruster failure during the design stage. A proportional-integral-derivative (PID) controller for the dynamic positioning ship system was designed and validated with experimental results from a sea trial. Through simulation, the proposed PID control and thrust allocation method are able to maintain the desired heading angle under various test conditions, such as drilling, standby and thruster failure.

Publication metadata

Author(s): Chin CS

Publication type: Article

Publication status: Published

Journal: Simulation

Year: 2012

Volume: 88

Issue: 11

Pages: 1338-1349

Print publication date: 01/11/2012

Online publication date: 16/07/2012

ISSN (print): 0037-5497

ISSN (electronic): 1741-3133

Publisher: Sage Publications Ltd.

URL: http://dx.doi.org/10.1177/0037549712450345

DOI: 10.1177/0037549712450345

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