a new era in local position referencing
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A New Era in Local Position Referencing Sasha Heriot Business - PowerPoint PPT Presentation

Apr 22, 2023 •311 likes •559 views

A New Era in Local Position Referencing Sasha Heriot Business Development Manager Collaboration Marine Guidance Sasha Heriot Business Technologies Marine Development Manager DP Integrator Local PRS Sensor Ole M Husy responsible

  1. A New Era in Local Position Referencing Sasha Heriot Business Development Manager

  2. Collaboration Marine Guidance Sasha Heriot – Business Technologies Marine Development Manager • DP Integrator • Local PRS Sensor Ole M Husøy responsible for Tom Coggins - Microwave designer and sales & design manufacturer Technologies Group Manager Milijan Mudrinic - Software Technologies Bernhard Schulte Ship Group Manager Management Andrew Stead - Head of Business Development • Vessel owner Hendrik Busshoff - Offshore Marine Superintendent Tel: +44 116 229 2600 Web: www.guidance.eu.com

  3. The Ocean Zephyr Based in Emden Services the BARD1 wind farm in the North Sea Converted PSV Accommodation Motion compensated walk to work gangway Position reference systems: DGPS and CyScan Tel: +44 116 229 2600 Web: www.guidance.eu.com

  4. DP local position reference sensors Target on Sensor fixed Measure relative position on vessel station DP  Hold position  Move safely & precisely System Tel: +44 116 229 2600 Web: www.guidance.eu.com

  5. DP local position reference sensors Up to 10km On Vessel Fixed Station Tel: +44 116 229 2600 Web: www.guidance.eu.com

  6. DP local position reference sensors Up to 1km On Vessel Responder target on platform Tel: +44 116 229 2600 Web: www.guidance.eu.com

  7. DP local position reference sensors Up to 2.5km On Vessel Reflector target on platform Tel: +44 116 229 2600 Web: www.guidance.eu.com

  8. Offshore oil vs offshore wind Mars oil field, Gulf of Mexico 1-2 approaches per day 2 platforms 1-2 targets per platform 50 approaches per day Targets on every turbine - £££ BARD1 Wind Farm, North Sea 80 turbines http://strangesounds.org/wp-content/uploads/2013/08/Germany-BARD-Offshore-1-Completed-Ahead-Of-Schedule.jpg Tel: +44 116 229 2600 Web: www.guidance.eu.com

  9. Navigating in wind farms Risk of false reflection and walk off incidents if Reflector • CyScan not set up correctly target • Poor quality targets are used location Laser PRS operation requirements • Direct line of sight between the laser sensor and reflector • The reflector must ideally be at a similar height to the sensor • The reflector should be well maintained and clean • No other reflectors should be in the vicinity of the target Tel: +44 116 229 2600 Web: www.guidance.eu.com

  10. Demo Tel: +44 116 229 2600 Web: www.guidance.eu.com

  11. Are targets the answer? Tube/Tape Prism £ £££ High Maintenance High Maintenance 5 years life 20 year life High risk of false Risk of false reflections reflections Tel: +44 116 229 2600 Web: www.guidance.eu.com

  12. Use the environment as your target Environment £0 NO Maintenance >20 years No risk of false reflections Tel: +44 116 229 2600 Web: www.guidance.eu.com

  13. What is ? Targetless object detection and accurate distance measurement • fixed beam radar sensors operating in the license exempt short range device band of 24GHz Measures range to the nearest object • a warning is output when a potential hazard is detected within user defined protection zones • An accurate range measurement is displayed on the user interface via a web browser Wide beam and narrow fixed beam options • 11°(+/-5.5°) elevation and two options of azimuth beam: 11°(Narrow Beam) and 110° (Wide Beam) Tel: +44 116 229 2600 Web: www.guidance.eu.com

  14. Dynamic positioning with RangeGuard Ships DP Display on system – Not Bridge for this trial Ships network RangeGuard Controller Tel: +44 116 229 2600 Web: www.guidance.eu.com

  15. Installation on the Ocean Zephyr • Wide beam sensors • IP video cameras 15m  Beam overlap gives range 8 meters to >> 50 meters Tel: +44 116 229 2600 Web: www.guidance.eu.com

  16. Bridge display Different Views available Tel: +44 116 229 2600 Web: www.guidance.eu.com

  17. How is raw data processed? All radar return signals are detected – peaks in signal strength Radar Data processed in control box Target tracking algorithm used to monitor and track peaks Can track 10 peaks simultaneously Can Lock onto an interesting peak – largest or nearest Tel: +44 116 229 2600 Web: www.guidance.eu.com

  18. What does raw data look like? RangeGuard “sees” peaks corresponding to the legs FFT Data – Approach to Sub Station Signal Level [dB]] Camera View Range [m]  Up to 10 peaks can be tracked simultaneously  Can lock onto nearest or biggest peak Tel: +44 116 229 2600 Web: www.guidance.eu.com

  19. Distance to target [m] Sea trials - Close Range Approach 10 20 30 40 50 60 70 80 0 10:00:00 Station keeping 10:01:24 10:02:48 Camera View 10:04:12 10:05:36 10:07:00 10:08:24 10:09:48 moves 10:11:12 Vessel 10:12:36 10:14:00 10:15:24 10:16:48 Station keeping 10:18:12 10:19:36 Approach to Wind Turbine 10:21:00 10:22:24 Time[hh:mm:ss] 10:23:48 10:25:12 10:26:36 10:28:00 moves 10:29:24 Vessel 10:30:48 10:32:12 10:33:36 10:35:00 10:36:24 Station keeping Tel: +44 116 229 2600 Web: www.guidance.eu.com 10:37:48 10:39:12 10:40:36 10:42:00 Camera View 10:43:24 10:44:48 10:46:12 10:47:36 10:49:00 10:50:24 10:51:48 10:53:12 10:54:36 10:56:00 10:57:24 10:58:48

  20. Sea Trials – Long Range Manouver Distance to target [m] 100 150 200 250 300 350 50 0 08:09:44 Camera View 08:10:44 08:11:44 08:12:44 08:13:44 08:14:44 08:15:44 Approach, Dwell, Depart Sub-Station 08:16:44 08:17:44 08:18:44 08:19:44 08:20:44 08:21:44 08:22:44 Time[hh:mm:ss] 08:23:44 08:24:44 08:25:44 08:26:44 08:27:44 Camera View 08:28:44 08:29:44 08:30:44 08:31:44 08:32:44 Tel: +44 116 229 2600 Web: www.guidance.eu.com 08:33:44 08:34:44 08:35:44 08:36:44 08:37:44 08:38:44 08:39:44 08:40:44 08:41:44 08:42:44 08:43:44 08:44:44 08:45:44 08:46:44 08:47:44

  21. DP Integration DP Other system sensors Calculates position using sensor location and range data Data sampled 3 times per second Tracks up to 10 peaks per sensor Outputs Range data Display on bridge DP string format Data sampled 3 Controls thrusters times per second Tel: +44 116 229 2600 Web: www.guidance.eu.com

  22. Benefits of RangeGuard System No targets – uses the environment • Vessel independent of installation • No false reflections • No maintenance • Reduces costs Improves safety • Additional form of redundancy Increases efficiencies • Decreases turnaround times Tel: +44 116 229 2600 Web: www.guidance.eu.com

  23. What’s next? The first vessel to have RangeGuard fully DP integrated will be ready to sail in 2016 – the Windea La Cour Tel: +44 116 229 2600 Web: www.guidance.eu.com

  24. Contacts hendrik.busshoff@bs-shipmanagement.com Ole Morten Husoey: ole@mtllc.us milijan.mudrinic@guidance.eu.com tom.coggins@guidance.eu.com Thanks for listening! Sasha.heriot@guidance.eu.com Tel: +44 116 229 2600 Web: www.guidance.eu.com

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