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Docking Systems

Ff. Engineering and Construction Division. Docking Systems. Vessel Docking. “ 20 / 20 / 20 ” Essential performance for reliable vessel docking 20mm accurate position, update rate of 20Hz, latency of 20ms Centimeter or Submeter operation

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Docking Systems

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  1. Ff Engineering and Construction Division Docking Systems

  2. Vessel Docking • “20 / 20 / 20” Essential performance for reliable vessel docking • 20mm accurate position, update rate of 20Hz, latency of 20ms • Centimeter or Submeter operation • During Docking maneuvers receivers provide rapid centimeter level accuracy’s • Also seamless switch to submeter operation for route navigation during a crossing • and then back to centimeter accuracy’s at the next port.

  3. Seamless Navigation • Example - Stenna Fast Ferry • Carries 1400 passengers, 400 vehicles, 120 Trucks • Cruises at 40Knots, Docks at 10Knots!!!

  4. Vessel Docking • Multiple Navigation Information • Provides specific navigation information for selected locations on the vessel. • Also provides information to ensure safe distances are maintained from wharves, pilings and other objects. • Data Recording • All positioning information is recorded and time-stamped into a project file allowing docking operations to be examined later

  5. Vessel Docking • Overcome Limitations of Laser Systems • No line of sight is needed between the dock and the vessel, • Any size of vessel can be monitored with the same system • Functions at any state of the tide and will even give you an accurate tide level, • Optical systems rely on a reflected beam of light but with GPS the vessel can be at any angle to the dock or in any weather conditions

  6. Vessel Docking • Conventional RTK • solves 3D vectors between a stationary base and moving rovers • Updates at 1, 2, 5, 10 or 20Hz • Relative accuracy, Base -> Rover = 1 - 2cm • Moving Base RTK • solves 3D vectors between a moving base and moving rovers. • Updates at 1, 2, 5, or 10Hz • Relative accuracy, Base -> Rover = 1 - 2cm

  7. Vessel Docking – MB RTK • Relative Accuracy Base to Rovers • Always = 1 - 2cm • Absolute (real world) Accuracy • Dependant upon corrections supplied to the receiver designated the Moving Base • If no corrections - Autonomous (20m) • If DGPS corrections - DGPS (sub meter) • If RTK corrections - RTK (1 - 2 cm) • Relative Accuracy is always 1 - 2cm

  8. MB RTK Schematic CMR Rover 1 Moving Base Relative accuracy = 1 - 2cm Absolute accuracy = 20m CMR No Corrections Rover 2 Relative accuracy = 1 - 2cm Absolute accuracy = 20m

  9. MB RTK Schematic CMR Rover 1 Moving Base Relative accuracy = 1 - 2cm Absolute accuracy = 1m CMR DGPS Corrections Rover 2 Relative accuracy = 1 - 2cm Absolute accuracy = 1m

  10. MB RTK Schematic CMR Rover 1 Moving Base Relative accuracy = 1 - 2cm Absolute accuracy = 1 - 2cm CMR RTK Corrections Rover 2 Relative accuracy = 1 - 2cm Absolute accuracy = 1 - 2cm

  11. Jetty Docking • Fast Ferries (40knts) & LPG Tankers • Provide skippers and pilots with accurate Speed and Position information

  12. Jetty Docking

  13. SPM Docking • Permanent MS750 on SPM • Permanent or ‘carry-on’ MS750 or MS860 on VLCC & Shuttle Tanker • HYDROpro Software Single Point Moorings

  14. SPM Docking

  15. Lightering • Permanent MS860 on FPSO or FSRU • Permanent or ‘carry-on’ MS750 or MS860 on Shuttle Tanker • HYDROpro Software

  16. Lightering • Shuttle Tanker • Permanent MS860 on Bridge wing • HYDROpro software • VLCC • Permanent MS860 • HYDROpro software

  17. Underway Replenishment (UNREP) • Supply Ship • MS860 • HYDROpro s/w • Vessels • MS860 • HYDROpro s/w

  18. Lightering & UNREP

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