pilot navigation system developed by maritime university of szczecin stefan jankowski
TRANSCRIPT
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