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Discrete and Process Automation

Autopilot for Autonomous Ship Navigation Systems

21 June 2017

The ships of the future will largely be controlled by artificial intelligence. However, these autonomous unmanned vessels must be monitored and controlled on demand by land-based professionals. This trend sets new challenges also for autonomous ship navigation systems, which must be able to control ships in various situations.

VTT Technical Research Centre of Finland is developing safe steering for the remote-monitored and controlled autonomous ships of the future. The new technology has been developed for navigation systems and ship autopilots, which steer ships automatically.

The Apilot autopilot under development by VTT has three modes: track, heading and slow joystick control Control room for an autonomous ship. (Source: VTT Technical Research Centre of Finland)Control room for an autonomous ship. (Source: VTT Technical Research Centre of Finland)e.g. for docking situations.

In 'track mode', the system steers the ship along a previously agreed route. If the ship detects another vessel, which must be avoided, the autopilot switches to 'heading mode'. This enables Apilot to avoid the other vessel with a small change in the ship's heading. Autopilot returns to track mode after the other vessel has been avoided.

Control and propulsion equipment are adjusted to low speeds maneuverings in the 'joystick mode'. Apilot puts the ship into the desired operating mode, for example to maneuver sideways into a dock.

In all situations, the autopilot ensures that the ship remains within a set distance from the planned route. If the limits in question are exceeded, the autopilot gives a warning and remote control must be taken of the ship.

The researchers also consider human factors in designing the remote monitoring and control system. Interactions between humans and technology in maritime transport have been analyzed to develop new concepts for the bridges and remote shore control centers of autonomous. The goal is to make operations more safe, efficient, and comfortable by seeking new solutions that enhance operating methods, as well as the usability and user experience of technologies.



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