Shipma

Numerical Autopilot Model

Simulation with an Autopilot model

This is a numerical autopilot model for ship manoeuvring, based on a mathematical model that computes the track and course angle of a vessel, providing high reliability. The system is based on establishing the initial position and the desired trajectory for the execution of a port entrance or exit maneuvre. The model takes into account the influences of wind, waves, currents, shallow water, and bank suction

The simulation makes it possible to assess the viability of a particular entrance or exit route for a port in specific meteorological conditions and determines the best option to execute a maneuver. Shipma defines the need, power and number of tugs to be used, optimizing the use of its services.

This model is applicable to simple cases in early stages of analysis, frequently used to compare alternative infrastructure projects, manoeuvring in different weather conditions and the use of different types and sizes of vessels.

SHIPMA is a “fast-time” autopilot manoeuvring model. It is different from a real-time bridge simulator. Rudder, engine and tug control are handled by a track-recording auto-pilot that anticipates deviations from the desired track and changes in current.

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