Rovins Nano: A Cost-efficient and Compact INS for Flexible Subsea Operations

iXblue, a global leader in the design and manufacturing of state of the art navigation and subsea positioning solutions, is constantly striving to think of new innovative systems and develop cutting-edge technologies to meet its customers’ ever-evolving demanding requirements in terms of operations efficiency. The company has developed a complete range of field-proven subsea inertial navigation products that are recognised for their reliability and unrivaled performance. (This article is brought to you by iXblue) The iXblue range of inertial products offer a flexible solution, suited for a wide range of subsea operations. The entry-level product in the range is Rovins... (read more)
2018-10-23 10:52:16

Collaborating to Make ROVs Small and User-friendly

Putting together a highly specified remotely operated underwater vehicle (ROV) is a complex business, requiring fluid integration of components and software from several different manufacturers. Getting it all to work together takes a high level of collaboration between professionals, located around the world. When VideoRay was designing a subsea vehicle so compact it could be checked in as luggage at the airport, it teamed up with Nortek to keep the size down, while keeping the positioning accuracy high. A case in point is the deployment of Nortek’s DVL1000 Doppler Velocity Log on the Defender models now being produced by Pennsylvania-based... (read more)
2018-10-23 09:44:24

Teledyne Significantly Increases Bottom-tracking Range

Teledyne RD Instruments (TRDI) has released a new proprietary Extended Range Tracking (XRT) option which, according to the company, is capable of extending the bottom-tracking range of its Pathfinder and Pioneer doppler velocity logs (DVL) by 60%. This latest development allows users to attain bottom lock faster and more efficiently than ever before, further increasing user control and confidence during subsea missions. Extensive in-house and customer testing has proven this extended range in a wide array of conditions and terrains and has in fact exceeded design expectations. Grant Jennings, director of navigation product line at TRDI, explains: “We have seen... (read more)
2018-09-17 10:28:13

Best Practices and Inspiring Bathymetric Lidar Projects

Bathymetric Lidar is a technique to capture geospatial data of coastlines and (shallow) waters. The method has the potential to facilitate the fast and efficient creation of hydrographic data. More and more users are turning to it to support many new and different applications. At Hydro International, we have selected a series of articles on this technique, ranging from case studies that zoom in on some challenging projects using bathymetric Lidar in combination with other survey methodologies, to in-depth articles focusing on the latest trends and developments relating to this hydrographic surveying technology. Acoustically Aided INS and Lidar Aerial mobile mapping using Lidar and GNSS-aided inertial navigation... (read more)
2018-06-26 11:07:44

Nortek Supplies New-generation Navigation System to Unique Group

Unique Group, a leading integrated subsea and offshore solution provider, has added the latest Nortek Doppler Velocity Log (DVL) 1000 to its global inventory, bringing the latest in navigation and positioning systems to clients. The DVL is an essential tool across a wide range of subsea operations where the quality and accuracy of data is key. “Nortek instruments have repeatedly proven to be exceptionally reliable and popular with our clients and we expect there to be significant demand for this new innovation,” says Alan Cameron, general manager of Unique System UK, about the new equipment. “Frequently used for ROV and... (read more)
2018-03-21 04:35:14

Teledyne Gavia Launches iXblue Phins Compact C3 Module

Teledyne Gavia, manufacturer of the Gavia autonomous underwater vehicle (AUV), has released a new navigation module that incorporates iXblue‘s new Phins Compact C3 with a Teledyne RDI 1200 kHz workhorse. The system brings new possibilities for customers interested in high-accuracy navigation. The Gavia AUV can be utilised in various applications, including geophysical surveys, cable and pipeline surveys, environmental surveys, and under ice surveys, as well as Mine Countermeasures (MCM), Rapid Environmental Assessment (REA), and Intelligence, Surveillance, and Reconnaissance (ISR) surveys. Equipping the Gavia with the Phins Compact C3 and TRDI‘s Workhorse DVL offers a 0.3% CEP50 Distance Travelled navigation accuracy... (read more)
2018-01-22 11:06:57

AUV and ROV Play Important Role in Multinational EOD Exercise

Every autumn, Iceland hosts its annual Explosive Ordnance Disposal (EOD) exercise called Northern Challenge, welcoming NATO members and partners supporting NATO‘s Defence Against Terrorism Programme. Northern Challenge is a multinational exercise, helping to train members of NATO‘s Partnership for Peace programme. This year, participants included Austria, Belgium, Canada, Denmark, Finland, France, Germany, Iceland, Italy, The Netherlands, Poland, Norway, Sweden, the United Kingdom, the United States (including Army, Air Force and Navy) and other NATO members and partners. An AUV and ROV were utilised during the exercise. Thirty groups were assigned EOD focused tasks, based on realistic scenarios, using the equipment... (read more)
2017-12-05 11:15:04

Teledyne Gavia Awarded Contract for 6,000m-rated AUV

Teledyne Gavia has recently been awarded a contract for the supply of a 6,000m-rated AUV for deep water search and recovery applications for delivery in 2018. The newly designed SeaRaptor AUV will incorporate a broad range of Teledyne content. The payload will be including acoustic modems, a flight data recorder beacon locator and sub-bottom profilers (Teledyne Benthos, Falmouth, MA, US), multibeam echosounders and obstacle avoidance sonars (Teledyne RESON, Denmark), Doppler Velocity Log (DVL) and Current, Temperature, and Depth sensor (CTD) (Teledyne RD Instruments, San Diego, CA, US),  and on-board processing software (Teledyne Caris, New Brunswick, Canada). In addition, the vehicle... (read more)
2017-10-25 04:47:57

Inertial Navigation for MBARI’s ROVs ‘Ventana’ and ‘Doc Ricketts’

Subsea inertial navigation technology supplied by Sonardyne Inc., Houston, USA, has been selected by the Monterey Bay Aquarium Research Institute (MBARI) for its deep-rated remotely operated vehicles (ROVs), 'Ventana' and 'Doc Ricketts'. The SPRINT systems will be used in conjunction with MBARI’s existing Sonardyne Ranger 2 acoustic tracking systems to improve the accuracy, precision and integrity of subsea vehicle positioning in water depths to 13,000 feet. The SPRINT for Ventana has already been installed and commissioned whilst the unit ordered for Doc Ricketts is scheduled to be delivered in the coming months.  Located in Moss Landing, California, MBARI is recognised... (read more)
2017-09-20 04:09:24

Newton Labs’ Underwater Laser Scanners with Two Scanning Modes

Newton Labs' M series of underwater laser scanners can be utilised for area scans or as a fixed-line scanner coupled to an IMU/DVL for long-distance scans such as pipelines and umbilicals, etc. The same scanner can be used for high-resolution area scans and dynamic field scans at the push of a button on the user interface. The Newton Labs marine underwater laser scanners can now operate with a fixed laser line – continuously recording scan data as the line is moved across the targeted area. Operators can fulfil increased inspection demands with one laser scanner.  Newton sells underwater scanners offering... (read more)
2017-08-21 11:41:51
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