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HandWiki. Dynamic Positioning. Encyclopedia. Available online: https://encyclopedia.pub/entry/32804 (accessed on 24 September 2026).
HandWiki. Dynamic Positioning. Encyclopedia. Available at: https://encyclopedia.pub/entry/32804. Accessed September 24, 2026.
HandWiki. "Dynamic Positioning" Encyclopedia, https://encyclopedia.pub/entry/32804 (accessed September 24, 2026).
HandWiki. (2022, November 04). Dynamic Positioning. In Encyclopedia. https://encyclopedia.pub/entry/32804
HandWiki. "Dynamic Positioning." Encyclopedia. Web. 04 November, 2022.
Dynamic Positioning
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The content is sourced from: https://handwiki.org/wiki/Earth:Dynamic_positioning

Dynamic positioning (DP) is a computer-controlled system to automatically maintain a vessel's position and heading by using its own propellers and thrusters. Position reference sensors, combined with wind sensors, motion sensors and gyrocompasses, provide information to the computer pertaining to the vessel's position and the magnitude and direction of environmental forces affecting its position. Examples of vessel types that employ DP include, but are not limited to, ships and semi-submersible mobile offshore drilling units (MODU), oceanographic research vessels, cable layer ships and cruise ships. The computer program contains a mathematical model of the vessel that includes information pertaining to the wind and current drag of the vessel and the location of the thrusters. This knowledge, combined with the sensor information, allows the computer to calculate the required steering angle and thruster output for each thruster. This allows operations at sea where mooring or anchoring is not feasible due to deep water, congestion on the sea bottom (pipelines, templates) or other problems. Dynamic positioning may either be absolute in that the position is locked to a fixed point over the bottom, or relative to a moving object like another ship or an underwater vehicle. One may also position the ship at a favorable angle towards wind, waves and current, called weathervaning. Dynamic positioning is used by much of the offshore oil industry, for example in the North Sea, Persian Gulf, Gulf of Mexico, West Africa, and off the coast of Brazil . There are currently more than 1800 DP ships.

offshore drilling a mathematical model gyrocompasses

References

  1. Introduction to Dynamic Positioning http://www.imca-int.com/divisions/marine/reference/intro01.html
  2. Wolden, Grete (February 2017). "Forskning: Dynamisk Posisjonering for Arktis: Systemet skal muliggjøre kompliserte operasjoner i is og ekstremvær". Teknisk Ukeblad. https://www.tu.no/artikler/forskning-systemet-skal-muliggjore-kompliserte-operasjoner-i-is-og-ekstremvaer/375918. 
  3. "IMCA M 141, Guidelines on the Use of DGPS as a Position Reference in DP Control Systems". London: International Marine Contractors Association. October 1997. http://www.imca-int.com/divisions/marine/publications/141.html. 
  4. "Veripos DP system can be installed with several Augmentation systems as well as GLONASS support, they can disable any satellite or service via Ultra corrections received via Spotbeam or Inmarsat links.". http://www.veripos.com/s_ultra.php. 
  5. "IMCA M 151, The Basic Principles and Use of Hydroacoustic Position Reference Systems in the Offshore Environment". London: International Marine Contractors Association. http://www.imca-int.com/divisions/marine/publications/151.html. 
  6. "IMCA M 170, A Review of Marine Laser Positioning Systems". http://www.imca-int.com/divisions/marine/publications/170.html. 
  7. "IMCA M 174, A Review of the Artemis Mk V Positioning System". London: International Marine Contractors Association. http://www.imca-int.com/divisions/marine/publications/174.html. 
  8. "RADius relative positioning system". Konsberg Gruppen. 15 August 2011. https://www.youtube.com/watch?v=79f4g-Gyl5E. 
  9. Stensvold, Tore (2016-10-11). "Første i verden: Her skal batterier erstatte motor i kritiske situasjoner". Teknisk Ukeblad. Teknisk Ukeblad Media AS. http://www.tu.no/artikler/forste-i-verden-her-skal-batterier-erstatte-motor-i-kritiske-situasjoner/359157. 
  10. Stensvold, Tore (14 March 2018). "Et av verdens mest avanserte skip er bygget om: Sparer 30 prosent drivstoff med batteri" (in no). Teknisk Ukeblad. https://www.tu.no/artikler/et-av-verdens-mest-avanserte-skip-er-bygget-om-sparer-30-prosent-drivstoff-med-batteri/432656?key=17JN041I. 
  11. "The Motorship | Giant battery boost for North Sea Shipping". https://www.motorship.com/news101/ships-equipment/giant-battery-boost-for-north-sea-shipping. 
  12. Førde, Thomas (31 May 2019). "Dette fartøyet sparer penger og kutter CO2 med avansert batterisystem" (in no). Teknisk Ukeblad. https://www.tu.no/artikler/dette-fartoyet-sparer-penger-og-kutter-co2-med-avansert-batterisystem/465783. 
  13. "IMO MSC/Circ.645, Guidelines for vessels with dynamic positioning systems". 6 June 1994. http://www.imo.org/includes/blastDataOnly.asp/data_id%3D10015/MSCcirc645.pdf. 
  14. Castro, Alexander (13–14 October 2015). "DP Emergency Drills". Dynamic Positioning Conference. Houston: Marine Technology Society. https://dynamic-positioning.com/proceedings/dp2015/Training_Castro_2015.pdf. 
  15. CADC Admin (31 October 2012). "Dynamically Positioned Vessel Run-off / Severance of Bell Diver's Umbilical". Canadian Association of Diving Contractors. http://cadc.ca/blog/2012/10/dynamically-positioned-vessel-run-off-severance-of-bell-divers-umbilical/. 
  16. Guidance for diving supervisors IMCA D 022, chpt. 11 Surface supplied air diving, sect. 8 Emergency and contingency plans
  17. Guidance for diving supervisors IMCA D 022, chpt. 13 Closed bell diving, sect. 10 Emergency and contingency plans
  18. "IMCA M 166, Guidelines on Failure Modes & Effects Analyses (FMEAs)". London: International Marine Contractors Association. http://www.imca-int.com/divisions/marine/publications/166.html. 
  19. "IMCA M 117, The training and experience of key DP personnel". London: International Marine Contractors Association. http://www.imca-int.com/divisions/marine/publications/117.html. 
  20. "Dynamiv positioning - A brief IMCA History". London: International Marine Contractors Association. http://www.imca-int.com/documents/core/imca/promotion/IMCA-MarineDPHistory.pdf. 
  21. "IMCA M 181, Analysis of Station Keeping Incident Data 1994-2003". London: International Marine Contractors Association. http://www.imca-int.com/divisions/marine/publications/181.html. 
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