Pilot Navigation System developed by Maritime University of Szczecin Stefan Jankowski.
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Transcript of Pilot Navigation System developed by Maritime University of Szczecin Stefan Jankowski.
Pilot Navigation Systemdeveloped by Maritime University of Szczecin
Stefan Jankowski
Introduction
Limitations when navigate at constrained water areas:
•Weather conditions,
•Visibility,
•Night-time,
•Dense traffic.
Introduction
Potential users of PNS:
•pilots,
• ferries,
•other vessels permanently navigate at definite area.
Stationary PNS
Collecting information subsystem
Data processing Subsystem
Visualization of navigation information Subsystem
Prediction subsystem – hydrodynamic model Electronic chart (Data base)
DGPS
Gyro
Rudders
Bow thrusters
Propellers
Wind
Portable PNS
Collecting information subsystem
Data processing Subsystem
Visualization of navigation information Subsystem
Prediction subsystem – extrapolation model Electronic chart (Data base)
Compass DGPS
Manual data collection
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
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.
Optimization of information
The optimal set of information should enable to make a planned manoeuvre:
•safe;
• in given time;
• in given conditions.
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.
Visualization
Shore visualization
Visualization
Fairway visualization
Chart – adjustment
Chart – safety contour
V2 > V1T2 > T1
Result: new safety contour displayed on the chart
Chart – prediction
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).
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.
Summary
Portable version - pilots.
Summary
Stationary version – ferries
Summary – new features
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x[m]
y[m] izobata 8m
bez wizualizacji 95%
z wizualizacją 95%
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Thank You For Attention