New technology solutions set on improving ship efficiency and lower greenhouse gas emissions appear in the inbox of gCaptain editors every week but many of these green ideas are in their infancy or simply impossible using today’s technology.

Pushing the Boundaries of Offshore Technology and Human Innovation [VIDEO]

By Rob Almeida On March 30, 2012 Very few films really portray what it looks and feels like to work in the offshore industry, but Maersk clearly put some effort into this and did an amazing job at it. At one point in the film they are shooting from the Maersk Deliverer’s rig floor at night with the lights reflecting against rain that was coming down through the derrick, then they sequence over to the rotary table as they are putting pipe dope on a new drill bit.   It reminded me of more than a few tours I spent trying to stay warm on the drill floor and to be quite honest, made me realize how lucky I am to have been an operational part of this industry and seen for myself some of the amazing work that happens out there on a daily basis. This film does not an exaggerate, it’s just the way it is.  Whether it’s pouring down rain, freezing cold, in heavy seas, or in the middle of the night,  offshore exploration operations continue around the world and truly push the envelope of technology. Check out this video…   httpv://www.youtube.com/watch?v=6JOZ9CFSRNw&feature=player_embedded  

Is Iron Mike The Solution To Ship Efficiency?

By On March 16, 2012
digiplot arpa New technology solutions set on improving ship efficiency and lower greenhouse gas emissions appear in the inbox of gCaptain editors every week but many of these green ideas are in their infancy or simply impossible using today’s technology. Yet shipping companies are willing to test many of the ideas as price of oil continues to soar over the $100/barrel mark. Fuel contributes over 30% of commercial maritime shipping operating costs and although an efficient mode of transportation, contributes to the overall global carbon footprint. But in the hostile environment of open ocean sailing simpler solutions tend to prevail and, in a tight economy, options that can be retrofit at low-cost have the best chance at success. One such solution, DIGIPILOT from AutoMATE Marine Systems, is just such a solution. The system is an adaptive “smart autopilot add-on” that can be integrated into existing vessel steering systems and optimizes ship’s rudder movement to provide significant reduction in fuel costs, voyage time and environmental impact. DIGIPILOT is primarily engineered for ships of 10,000 grt and larger in which adaptive steering control and very slow controlled turns can provide annual fuel savings of approximately $250,000. The algorithms it uses work in all sea states including rough seas and can easily be installed as an auxiliary to standard autopilot systems. DIGIPILOT works by reducing rudder action by removing wave motion effects on control that result in fuel savings and a slight increase of speed from less rudder and hull drag. Experience from testing the system indicates that the fuel savings of the system is between 1 and 3%. And DIGIPLOT has other features up its sleeve including an optional auto acquisition ARPA that shows up to 40 surrounding vessels and/or buoys directly on Navionics HD vector charts. This provides the long sought after “Holy Grail” of ship navigation – a single display maneuvering aid for both anti-collision and grounding prevention. Further, the radar used for the ARPA function, is presented as “see through” rather than an obscuring raw video image. Because only the closest coastline surrounding own ship is shown. In doing this the system meets the ECDIS requirement of not obscuring any chart information, as is the case when normal radar video is superimposed on ECDIS. DIGIPLOT also has a unique Trial Maneuver sped up 30 times, which may be used to predict the effect of own ship changing course, speed and the time to execute. During an ARPA predicted close passing with another vessel, whose CPA and time to CPA is many minutes ahead, several trials may be evaluated by viewing the vector predicted motion of all vessels (assuming they maintain course and speed). Each ship’s DIGIPLOT has its turning and stopping characteristics built in which are equal to a naval architect’s most conservative characteristics. This feature is particularly useful when approaching land, and the watch officer (particularly one who doesn’t have enough experience for the “feel” of the ship), by quickly trying several course and speed options he can be aware of its wide arc during turning clearly showing the proper time to execute at his present speed when the maneuver will be well clear of grounding. The trial is similar to seeing a typical AIS time sequenced plot used for after-the-fact analysis of an incident, except this trial depiction shows when it is still hypothetical and a proper quantitatively evaluated maneuver can be executed safely to clear other vessels and charted obstructions. Twenty of these adaptive autopilot systems have been sold for use on a variety of ships.
Related Articles:
  1. Mitsui O.S.K Lines Orders New High-Efficiency Iron Ore Carrier
  2. Futureship and Marorka: A Partnership to Increase Shipping Efficiency
  3. Nissan’s Solar Panel-Covered Ship, Looks to Harness the Sun for Shipping Efficiency
  4. Part 4: Operations and Maintenance Considerations to Increase Shipping Efficiency
  5. Wärtsilä’s next generation PSV promises unmatched efficiency
About The Author

John Konrad

Captain John Konrad is co-founder of Unofficial Networks, Editor In Chief of this blog and author of the book Fire On The Horizon. He is a USCG licensed Master Mariner of Unlimited Tonnage and, since graduating from SUNY Maritime College, has sailed a variety of ships from ports around the world. John currently lives in Morro Bay, California with his wife and two children.
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