N. de Hilster
HSB Workshop Vessel Geometry and Calibrations
15 January 2014

Vessel Geometry and Calibrations:
a historica...
1980s
Positional accuracy ~ 1 metre
 2D Vessel Geometry
 MRU only for heave
 Tape measurements


15 January 2014

N. d...
February 1953: Watersnoodramp
Flooding large parts of ZuidHolland, Zeeland and Noord-Brabant
 Also affected Great Britain...
Two major projects:
Great Britain: Thames Barrier
 The Netherlands: Delta Works


15 January 2014

N. de Hilster, Vessel...
Surveying the Storm Surge Barrier
Tide reduction not possible
 First 3D dynamic positioning system:
the AGA/Minilir


15...
Surveying survey vessels


First surveyed hydrographic vessels:
 mv. Scholekster
 mv. Houtvliet

15 January 2014

N. de...
Surveying survey vessels


mv. Scholekster

15 January 2014

N. de Hilster, Vessel Geometry and Calibrations: a historica...
Surveying vessels


Delta works construction vessels

15 January 2014

N. de Hilster, Vessel Geometry and Calibrations: a...
Surveying survey vessels


1989: First multibeam vessel:
 mv. Christaan Brunings (EM100)

15 January 2014

N. de Hilster...
Surveying vessels: equipment
1990s: Introduction of KART
 2000: Introduction of PHINS
 2001: Introduction of LRK


15 J...
Surveying vessels: Literature
J.J. Knol, “Maatvoering aan onder helling
opgestelde objekten en op drijvende
platforms”, 19...
Surveying vessels: Early Names
Scholekster by F. Maas and H. van der
Marel, after 1988 by A.P.M. Pieters
 Houtvliet by H....
Surveying floating objects: Firms
Passe Partout: J.J. Knol
(managing director)
 GeoW: H. Waanders
(former Delta Works sur...
Surveying vessels: Instruments
Initially tape measures
 Delta works: Wild T2, tape measures
 1989: total station (AGA 14...
Surveying vessels: Accuracy
Tape measures: 10-50 cm (only X/Y)
 Deltaworks (1980s): app. 1-2 cm
 1998: Move3 modified an...
Do we need that accuracy?
Better comparison
 Project requirements
 Cost reduction
 Improves performance of LRK/INS
 Hi...
Conclusion
Started at the Delta Works
 Kept pace with project requirements
and sensor accuracies
 Job for specialists

...
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Kalibratie en scheepsgeometrie met een historisch perspectief

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Het onderwerp wordt door Nicolàs de Hilster, Starmountain Survey & Consultancy, belicht. Hoe is de aandacht voor kalibratie en scheepsgeometrie in de loop van de jaren gegroeid?

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Kalibratie en scheepsgeometrie met een historisch perspectief

  1. 1. N. de Hilster HSB Workshop Vessel Geometry and Calibrations 15 January 2014 Vessel Geometry and Calibrations: a historical perspective 15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 1/17
  2. 2. 1980s Positional accuracy ~ 1 metre  2D Vessel Geometry  MRU only for heave  Tape measurements  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 2/17
  3. 3. February 1953: Watersnoodramp Flooding large parts of ZuidHolland, Zeeland and Noord-Brabant  Also affected Great Britain, Belgium and Germany  Some 2400 casualties around and on the North Sea  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 3/17
  4. 4. Two major projects: Great Britain: Thames Barrier  The Netherlands: Delta Works  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 4/17
  5. 5. Surveying the Storm Surge Barrier Tide reduction not possible  First 3D dynamic positioning system: the AGA/Minilir  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 5/17
  6. 6. Surveying survey vessels  First surveyed hydrographic vessels:  mv. Scholekster  mv. Houtvliet 15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 6/17
  7. 7. Surveying survey vessels  mv. Scholekster 15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 7/17
  8. 8. Surveying vessels  Delta works construction vessels 15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 8/17
  9. 9. Surveying survey vessels  1989: First multibeam vessel:  mv. Christaan Brunings (EM100) 15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 9/17
  10. 10. Surveying vessels: equipment 1990s: Introduction of KART  2000: Introduction of PHINS  2001: Introduction of LRK  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 10/17
  11. 11. Surveying vessels: Literature J.J. Knol, “Maatvoering aan onder helling opgestelde objekten en op drijvende platforms”, 1982  A.C.D.O. de Wulf, G.J.K. Brouns, “Geometrische kalibratie van een peilschip”, parts I and II, 2002  J.E. Hughes Clarke, “A reassessment of vessel coordinate systems: what is it that we are really aligning?”, 2003  N. de Hilster, “The MRU and SRF aligned”, parts I, II and III, 2008/2009  J. Vint, “Dynamic Calibration of Navigation Sensors Using GNSS Technology”, 2013  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 11/17
  12. 12. Surveying vessels: Early Names Scholekster by F. Maas and H. van der Marel, after 1988 by A.P.M. Pieters  Houtvliet by H. Murre and an assistant, after 1988 by A.P.M. Pieters  Christaan Brunings by A.P.M. Pieters in 1989  From 1989 on: A.P.M. Pieters and various assistants  1998: N. de Hilster and E.B. Wiegmann take over from A.P.M. Pieters  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 12/17
  13. 13. Surveying floating objects: Firms Passe Partout: J.J. Knol (managing director)  GeoW: H. Waanders (former Delta Works surveyor)  Geocon: M. van der Bosch (tunneling)  Simtech  Delta Surveys  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 13/17
  14. 14. Surveying vessels: Instruments Initially tape measures  Delta works: Wild T2, tape measures  1989: total station (AGA 140, TC1)  2004: photogrammetry  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 14/17
  15. 15. Surveying vessels: Accuracy Tape measures: 10-50 cm (only X/Y)  Deltaworks (1980s): app. 1-2 cm  1998: Move3 modified and implemented: 2-3 mm  2004: 1:20000 (1mm/20m)  Now: 1:40000 (1mm/40m)  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 15/17
  16. 16. Do we need that accuracy? Better comparison  Project requirements  Cost reduction  Improves performance of LRK/INS  Higher accuracy: better calibrations  Aligning the MRU with the SRF Pitch/roll alignment accuracy: 0.02°  Aligning a PHINS (0.02xSEC(LAT)°) 3 axis alignment accuracy: <=0.03°  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 16/17
  17. 17. Conclusion Started at the Delta Works  Kept pace with project requirements and sensor accuracies  Job for specialists  15 January 2014 N. de Hilster, Vessel Geometry and Calibrations: a historical perspective 17/17

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