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Pilot Navigation System

The Pilot Navigation System (PNS), developed by the Maritime University of Szczecin, addresses challenges in navigating constrained waters, such as adverse weather, low visibility, night-time operations, and dense traffic. This system features a prediction subsystem utilizing hydrodynamic models and electronic charts augmented with DGPS for precise positioning. It optimizes information for safe maneuvers, visualizes navigation data effectively, and accommodates both portable and stationary configurations, making it ideal for pilots, ferries, and other vessels operating in restricted areas.

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Pilot Navigation System

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  1. Pilot Navigation System developed by Maritime University of Szczecin Stefan Jankowski

  2. Introduction Limitations when navigate at constrained water areas: • Weather conditions, • Visibility, • Night-time, • Dense traffic.

  3. Introduction Potential users of PNS: • pilots, • ferries, • other vessels permanently navigate at definite area.

  4. Prediction subsystem – hydrodynamic model Electronic chart (Data base) DGPS Collecting information subsystem Data processing Subsystem Visualization of navigation information Subsystem Gyro Rudders Bow thrusters Propellers Wind Stationary PNS

  5. Prediction subsystem – extrapolation model Electronic chart (Data base) Compass DGPS Collecting information subsystem Data processing Subsystem Visualization of navigation information Subsystem Manual data collection Portable PNS

  6. Development PNS principles: • precisely determination of vessel’s position at restricted area; • suitable type and content of information; • suitable form of presentation of that information

  7. Development Tools and methods : • Optimization of information in PNS; • Visualization of optimal information; • Creation of very specific Electronic Chart; • Methods for adjusting vessels waterline; • Tools for assessment and verification of satellite positioning systems.

  8. Optimization of information The optimal set of information should enable to make a planned manoeuvre: • safe; • in given time; • in given conditions.

  9. Optimization of information The optimal set of information : • heading; • course over ground; • speed over ground; • distances to the berth; • safe depth contour; • rate of turn; • cross speed.

  10. Visualization Shore visualization

  11. Visualization Fairway visualization

  12. Chart – adjustment

  13. Chart – safety contour V2 > V1 T2 > T1 Result: new safety contour displayed on the chart

  14. Chart – prediction

  15. Positioning subsystem The most favourable solutions: • stationary PNS - positioning subsystem made up of DGPS receiver and gyrocompass (p = 1.3 m); • portable PNS - positioning subsystem made up of compass GPS (p = 1.5 m).

  16. Summary This system is not a standardized electronic chart and has following distinctive features: • integration with the water area, • integration with the vessel, • optimal information, • optimal user’s interface, • predicting and supporting manoeuvring.

  17. Summary Portable version - pilots.

  18. Summary Stationary version – ferries

  19. Summary – new features

  20. Thank You For Attention

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