Monday, September 25, 2017
Published: Nov 2015
Categories
  • Subsea pipeline & inspection

Teledyne Marine Offers a Wide Variety of Proven Solutions for Subsea Vehicle Applications

Since 2005, Teledyne Marine has grown in size and scope, adding technology and capabilities through organic growth and acquisition. Now twenty three brands strong, Teledyne Marine is recognized as a preeminent leader in marine technology, delivering a vast spectrum of product solutions and technologies to resolve challenges in some of the most demanding scenarios and environments imaginable.

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  • Liquid Robotics Display.jpeg Liquid Robotics Wave Glider

As Teledyne Marine has continued to grow, so has the need for increased focus and communications throughout the organization to better serve our customers. To meet those needs, Teledyne Marine has restructured to align the company’s collective business development, sales, and marketing resources. By providing a more streamlined structure to the organization, Teledyne Marine now offers customers an enhanced level of technical collaboration, customer service and support that leverages the vast resources of the 23 brands that currently constitute the Teledyne Marine group. Teledyne’s customers can access the full range of Teledyne Marine’s products from a single point of contact, restoring the small company feel by allowing each Teledyne sales rep to service their local customers for all products. For complex or challenging projects local sales representatives can leverage technology experts, giving customers the peace of mind that their projects are backed by the vast resources made possible through the Teledyne organization.

Teledyne Marine’s technologies are grouped in five main categories: Imaging, Instruments, Interconnect, Vehicles, and Seismic. Many of these technologies have applications on unmanned vehicles and bring distinct technical advantages to the integration. From Bowtech cameras and lights to RD Instruments Doppler Velocity Logs, Teledyne products can be found on the worlds most advanced undersea vehicles.

Imaging Solutions

Shedding Light on an Historical Shipwreck

On the 19th of November 1941 the HMAS Sydney slipped beneath the dark waters off the coast of Australia settling on the seafloor in 2,468 meters (8,097 ft.) after engaging with the German auxiliary cruiser the Kormoran.The Sydney and the Kormoran were destroyed in that battle. For many years the fate of the Sydney and her 645 crew was a mystery until both wrecks were found in 2008.

Teledyne Bowtech, a global market leader in subsea vision systems, recently supplied LED-V-20K lamps, a Surveyor-HD-Pro camera and a 3D-HD system to Curtin University and the Western Australian Museum to survey the shipwrecks of Australian warship HMAS Sydney II and the German raider HSK Kormoran in the Indian Ocean 200 km west of Shark Bay, Western Australia.

An array of 10 LED-V-20K lamps, emitting up to 20,000 lumens each, were used on each of two ROVs to illuminate the wreckage which was filmed using a Surveyor-HD-Pro camera and a 3D-HD camera system all supplied by Teledyne Bowtech as part of a suite of equipment used on the project.

Dr Andrew Woods, Research Engineer at the Centre for Marine Science & Technology at Curtin University reported “The lights performed really well providing some rich colours and wonderful lighting effects. The Surveyor-HD-Pro camera operated flawlessly. We’ve captured some amazing footage”. He hailed the expedition “a raging success” due in part to good weather, reliable equipment and very careful planning. “All of our goals were met, including many of our stretch goals. There have been comments that we’ve set a new benchmark in maritime archaeology — which is what we set out to do”. The research team now has the task of reviewing the 50TB of data, around 700,000 still images and some 300 hours of HD video collected during the week long survey.

Photographs taken in 2008, when the wrecks were first discovered, did not explain how Sydney could have been so comprehensively disabled, however, new images taken by Dr Woods and his team using the Bowtech equipment clearly show damage which supports the theory that the bridge was destroyed and the ship’s command structure lost early in the battle, as reported by a survivor from the Kormoran.

Imaging Sonar Plays a Key Role in Underwater Forensics

In a cold case investigation near Lake George in Warren, New York, the Sherriff’s department employed a Teledyne BlueView2D imaging sonar mounted on a Teledyne SeaBotix Remotely Operated Vehicle (ROV) to look for evidence in the case. The BlueView sonar was crucial to the mission. The lake was extremely dark and the bottom composition made identification of potential targets impossible. In dark or murky waters, the imaging sonar is the only way to locate targets.

The Teledyne BlueView sonar operates while in motion or from a stationary position. 2D imaging sonar, sometimes referred to as “acoustic cameras” operates differently and provides distinct advantages. Able to operate from both moving and stationary positions, 2D imaging sonar captures data within a defined field-of-view (like a slice of pie), while the “top-side” software processes the data rapidly to generate a real-time sonar “movie” viewable from a laptop or PC. Moving objects can now be seen clearly as they move into, through, and out of the field-of-view.

Unlike traditional sonars that must be stationary while scanning to provide clear imagery, the BlueView’s ability to scan while in motion significantly decreases mission times.BlueView delivers mission critical instruments for underwater navigation, monitoring, survey, and detection. Teledyne BlueView’ s advanced sonar systems are currently deployed on AUVs, ROVs,surface vessels, fixed positions, and portable platforms, and have been adopted by leading manufacturers and service providers to support mission critical operations. To date the cold case remains a mystery, but a greater search area was covered in a shorter amount of time enabling the team to eliminate areas of probability.

Instrument Integrations

Current Profiling from an Autonomous Underwater Glider

DOF Subsea recently used Teledyne RD Instrument’s ADCP’s to study loop currents in the Gulf of Mexico. A loop current is a current of warm water that travels from the Caribbean into the Gulf of Mexico. This current flows through the Florida Strait and then heads north to the eastern coast of the United States. In September 2015, DOF Subsea began glider-based, real-time environmental monitoring of the Gulf of Mexico as a new subscription-based data service. Teledyne Webb Research Slocum gliders equipped with Teledyne RD Instrument’s ADCP sare used in the monitoring, which represents a novel approach to collecting current profiles compared with traditional vessel mounted ADCPs. The main objective of this service is to aid operational decision making with observational data. The glider collected data along the Gulf of Mexico Loop Current including surface current velocity profiles and salinity and temperature profiles to 1000m depth. Currently, there exists no other glider-based solution to monitor the Gulf of Mexico Loop Current velocities. The competing solution is to run a vessel-mounted ADCP in the area of interest. The glider-based solution is dramatically less expensive and has the potential for customized mission design such as a multi-glider deployment.

DVL Aided Navigation for ROVs

Teledyne RD Instruments supplied an Explorer Doppler velocity log (DVL) to Oregon State University’s School of Mechanical, Industrial, and Manufacturing Engineering for a renewable energy project in partnership with the Northwest National Marine Renewable Energy Center. The Explorer DVL was integrated on a Teledyne SeaBotix vLBV300 ROV for a project that aims to minimize downtime during AUV deployments.

“Teledyne RDI’s Explorer DVL is a key component of the navigation system used on the SeaBotix vLBV300 during operation in offshore marine renewable energy arrays,” said Geoff Hollinger, Ph.D., the project’s co-principal investigator and assistant professor of mechanical engineering at Oregon State University.

“Finding ways to reduce the cost of operations and maintenance for marine energy arrays will contribute to a lower overall cost of energy for this new technology sector,” said Belinda Batten, Ph.D., director of the Northwest National Marine Renewable Energy Center.

The goal of the project is to decrease maintenance and intervention time in marine renewable energy arrays. Researchers are focusing on reducing deployment, operator, and shipboard operations times by 30 percent.

Underwater Communication with Person

Deployable AUVs

Person deployable Autonomous Underwater Vehicles (AUVs) are used for a variety of tasks from search and recovery to the identification and monitoring of dumped munitions. Oceanserver Ivers 3 AUVs can be outfitted with a variety of side scan sonars and other sensors, depending on mission requirements. The Ivers3 AUVs are also routinely outfitted with some important Teledyne Marine instruments including Teledyne Benthos ATM-900 Band C modems and Teledyne RD Instruments Phased Array DVLs. The Teledyne RD Instruments Phased Array DVL provides positional accuracy for x and y speed over ground once the AUV leaves the surface and can no longer access GPS. The Teledyne Benthos modems are specially designed to fully integrate with the Ivers AUVs, providing regular updates on the status and position of the systems while they are underwater and underway. Communication with the AUVs while underwater is safer and more energy efficient. The modems provide waypoint, battery status, position, error messages, and other mission status information, giving the operator vital information about the AUV and allowing the AUVs to be easily re-tasked in situ. Teledyne Benthos worked closely with the customer to custom manufacture a transducer that would fully integrate with the AUV’s sensor ports and would be suitably sized for the small AUV.

Tracking Undersea Cables

Bibby HydroMap (formerly Osiris Projects) currently own and operate a fleet of 5 specialist vessels and are experienced in a range of disciplines including tracked ROV survey and inspection. One area in which Bibby HydroMap works is submarine cabling procurement and installation for offshore wind development. Following installation, Bibby HydroMap conducts cable surveys to assess horizontal positioning, areas of exposure or movement and depth of burial. Bibby’s Surgeon Tracked Inspection ROV is capable of performing such surveys. With a weight in air of three tons, the system can reach sea water depths of 100m. The track-driven ROV is mobilized with a Teledyne TSS 350 for cable tracking, which utilizes advanced pulse induction and digital signal processing technology to accurately determine ranges of buried cables. Resultant data is supplied to the support vessel via the ROV’s umbilical where all navigation and depth of burial data is logged by the survey computer. These results are logged and displayed in real time, with an option to be overlaid on the ROV video footage.

DeepOcean, UK, owns and operates two TSS 440 and TSS 350 pipe/cable tracking systems. DeepOcean UK undertakes a wide range of subsea services that include survey and seabed mapping, subsea installation and intervention, inspection, maintenance, repair and decommissioning. The TSS pipe/ cable tracking systems perform an essential role in DeepOcean’s equipment inventory. A new-build cable-lay vessel was chartered by DeepOcean from Maersk Supply Services and the cable trackers are expected to be used to support its work. The new ship is involved with Interconnector projects as well as work in the oil, gas and renewable sectors. The versatile vessel is suited for installation and burial projects using its 7,000 ton carousel from land-fall to deepwater and also in remote geographical locations.

Interconnect Solutions

Making Connections in Harsh Environments

Bluefin Robotics makes a suite of autonomous underwater vehicles for a variety of markets. Some of their vehicles are rated to depths of 4,500 meters, requiring harsh environment interconnect solutions. Bluefin Robotics met with Teledyne Impulse to discuss a specific solution for an electrical power and signal requirement. Bluefin sought an improvement over their current solution and Impulse designed a new connector that was able to mate in a wet environment, was blind mateable(with key) for hard to reach spaces, could be mated and de-mated multiple times for longevity of the connector and contained connections to carry both power and data. Teledyne Impulse designed the MKS(W)-412 connector as a custom solution for Bluefin’s specific requirements.

Oceaneering in Morgan City, Louisiana, is a major manufacturer of workclass Remotely Operated Vehicles (ROVs) that operate at depths to 10,000 fsw. The ROVs are often required to ascend or descend quickly in the water column. The rapid ascent/descent led to performance issues with their existing cable solution. Repairing these cables in the field was challenging so a new solution was needed. Teledyne Impulse designed an oil filled connector for Oceaneering that was purpose-built to meet the rapid ascent/descent requirement of these heavy workclass ROVs. The new oil filled hose does not require an overmold, eliminating that failure point. The new design also allows the customer to easily repair the assembly in the field, if required. Both design features improved operational up-time for the customer.

Liquid Robotics, manufacturers of the Wave Glider, needed a high power connector solution for their SV3 glider. Limited space, large scale manufacturing, and a higher power requirement, led to a redesign of the connector and the electronics housing.

Teledyne Impulse worked closely with the customer to develop a new custom right angle connector with four different contact configurations and PEEK bodies.The connectors were designed to make assembly of the electronic boxes as simple as possible. Teledyne Impulse supplies these connectors complete with ready-to-assemble inboard PCB connectors.

A custom, high power configuration was also adapted for use on the battery housings to manage power from the solar panels and distribution throughout the vehicle. Custom octopus cables facilitate connectivity with a number of sensors in a very tight space. In addition, the breakout molds have mounting features integrated into them.

Teledyne Impulse’s willingness to work with Liquid Robotic’s engineers to find the optimal solution to their connectivity challenge rather than adapt a solution to the current connectors made them a key solution provider.

Teledyne Marine Integrated Solutions

Teledyne Marine is a leading provider of instruments, imaging, and interconnect solutions for unmanned underwater and surface vehicles. In addition to its broad array of innovative products and technologies, Teledyne Marine also has direct access to highly focused and unique resources that are available through the expanded Teledyne family and its world renowned Teledyne Scientific research center and engineered solutions group. Teledyne Marine offers the industry knowledge, technical expertise, and ocean experience to make your products and projects a success.

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AUVs are on track with BroadBand DVLs / Teledyne RD Instruments celebrates two decades of navigating unmanned vehicles

Do you remember navigating with a street atlas? What a difference GPS makes. And now it seems every other new gadget includes a GPS chip for supplementary input. Similarly, better navigation tools optimized operations that use unmanned underwater vehicles (UUVs). Plus better navigation permitted expanded capabilities and greater cost-effectiveness. Together these advantages delivered a major gain for users of tethered and untethered UUVs. These are Remotely Operated Vehicles (ROVs) and Autonomous Underwater Vehicles (AUVs).

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Teledyne CDL Technology

Micro Electro-Mechanical System (MEMS) technology is at the heart of Teledyne CDL’s extensive range of motion sensors that includes a variety of specifications, accuracies and external aiding capabilities. Also available is a complete range of fibre optic gyro (FOG) and ring laser gyro (RLG) gyrocompasses, built for marine vehicle navigation. This wide range of commercially available products is mainly for use in subsea marine and in particular, remotely operated vehicles (ROVs) and autonomous underwater vehicles (AUVs). CDL products are also suitable for subsea gliders, offering combined motion and navigation requirements for all subsea vehicles.

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VideoRay Debuts New Underwater Products

Over the last few months, VideoRay LLC has rolled out two new additions to their product line – the VideoRay Voyager, an economy ROV system, and a brand new line of customized ROV systems called the Mission Specialist Series.

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From Surface to Seafloor, Teledyne Delivers Subsea Vehicles with Proven Performance for Diverse Market Applications

Autonomous, tethered, and towed vehicles are doing important work in defense and security, oceanographic research, offshore and onshore energy, and water resource markets. In fact, unmanned underwater vehicles have become an essential tool for a variety of tasks across all these markets, which is a testament to the evolution of robotics technology. Underwater unmanned vehicles are doing work that is impossible, expensive, or clearly too dangerous to humans.

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Teledyne BlueView Helps Ocean X Team Find a 100-year-old Submarine in the Baltic Sea

Ocean X Team’s main focus is to search for hidden treasures such as antique high-end alcoholic beverages and historic artifacts. They started their wreck career by finding an American B-17 bomber in 1992 off the Swedish east coast.

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Copenhagen Subsea A/S and the Rim Driven Thruster

Copenhagen Subsea A/S is a newly created company with the purpose of bringing a range of innovative products to the subsea industry. The products are based on many years of experience with building products for the demanding subsea industry.

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