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Modelling and Dynamic Positioning Simulation of OD21 Drill Ship

Lookup NU author(s): Dr Cheng Chin, Dr Arun Dev

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Abstract

In this paper, dynamic modelling and simulation of a drill ship named OD21 (Ocean Drilling in the 21st Century) for deep-water scientific ocean drilling using MATLABTM and SimulinkTM is proposed. The proposed simulation model provides a means to simulate and control the nonlinear and coupled OD21 drill ship under different wind, wave and current disturbances during the preliminary design stage. A proportional-integral-derivative (PID) controller for the dynamic positioning ship system (DPSS) was designed. Simulation results of the drill ship were validated with the experimental results from sea trial. The PID controller is observed to be quite robust under various test conditions and together with the proposed thrust optimization routine, the effect of sudden failure of an azimuth thruster did not affect the performance.


Publication metadata

Author(s): Chin C, Dev A

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: International Conference on Technology and Operation of Offshore Support Vessels (OSV)

Year of Conference: 2011

Pages: 1-12


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