Simulation of a LNG tanker track-keeping autopilot in canal water

Abstract

This paper examines manoeuvring track-keeping autopilot of a Liquefied Natural Gas (LNG) tanker hull form, which was fitted by fins while taking into account the ship bank interaction effects. A time domain simulation program including ship steering autopilot has been developed to study the manoeuvring track for full loading condition. The results of simulations show that the ship-bank interaction effects, fitting fins and enlarging rudder size have significant influence on the manoeuvring capability of the LNG ship in canal water.

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