Electronics News

Figure 6: A DOLPHIN Sonar trial result, SAS at three times Nyquist speed. Image: QinetiQ North America

DOLPHIN: Enabling Technology for Acoustic Systems

TelemetrySince the beginning of acoustic communications, the state of the art technology has been limited to half-duplex signals: transmit with the receiver off and then turn the transmitter off and receiver on and wait to receive, because the direct transmission at the source saturates the receiver electronics if they are enabled simultaneously.  Ocean physics are fixed, but DOLPHIN technology enables true full-duplex acoustic telemetry.  It cancels the transmit signal at the receiver in real-time.  This eliminates receiver self-signal saturation and enables simultaneous transmitting

The 2018 MATE International ROV Competition was held at the King County Aquatic Center in in Federal Way, Wash.  (Photo: MATE)

MATE ROV Competition Planned in Tennessee

;s history live on, these students and their inventions are doing ‘Good for Good,’” said Jill Zande, president of MATE Inspiration for Innovation (MATE II) and associate director and competition coordinator for MATE Center.The MATE ROV Competition requires students to apply math, electronics, engineering and physics skills from the classroom toward solving problems based on real-world workplace scenarios. The competition challenges students from K-12, community colleges and universities within four levels (EXPLORER, RANGER, NAVIGATOR and SCOUT) to design, build and test underwater

Export Licensing: Tips U.S. Exporters Shouldn’t Overlook

BIS-administered Commerce Control List (CCL) include not only complete systems and key parts and components, but also raw materials, production equipment, and other related items. For marine technology exporters, key entries can be found in USML categories VI (surface vessels of war), XI (underwater electronics and acoustic systems), XII (optical and inertial sensors) and XX (submersible vessels); and CCL categories 5 (telecommunications), 6 (acoustic sensors), 7 (inertial sensors and navigation), and 8 (marine). • Different levels of technology can affect where you can export. The level

National Geographic Endurance under construction in Norway (Photo: Lindblad Expeditions)

Wesmar Equips National Geographic Endurance

;s M-18 hoist. A small self-contained hydraulic unit powers the hoist.“Lindblad has a very strong name in the cruise ship industry, and is a leader in the expedition cruise category, so we are honored by this repeat business,” noted Roger Fellows, President and Owner of Western Marine Electronics (Wesmar). “The meteoric rise of the cruise ship industry has clearly caught our attention, and we look forward to having another Lindblad vessel with Wesmar aboard.”Vessel construction is well underway, and Wesmar’s sonar is slated to be installed in April 2019. National Geographic

(Image: EDF Renewables)

Prysmian to Supply Cables for French Floating Wind Farm

measurement, Distributed Temperature (DTS) and Acoustic Sensing (DAS) to measure all key operating parameters of the whole cable system.“This is the first example in the world of a full combined permanent monitoring system for an offshore windfarm,” said Roberto Candela, CEO of Prysmian Electronics. “We have worked in close collaboration with the customer to design a tailor-made monitoring solution that will allow to constantly monitor and guarantee the rating of the transmission system.&rdquo

L to R: Ronald Spithout, President, Inmarsat Maritime and John Laderos, Chief Executive Officer of SRH Marine SAIT. Image: Inmarsat

Real-time ECDIS Updates via FleetBroadband

.L-band services available over the I-6 satellites will support Inmarsat’s fully IMO-approved next generation advanced global safety services – Fleet Safety - and low cost mobile services to Internet of Things (IoT) applications, Spithout said.John Laderos, Chief Executive of SRH Marine Electronics, said that the combination of FleetBroadband and the SRH Marine ECDIS Digital Services distribution platform would help boost e-navigation worldwide, as well as setting new standards on maritime communications.  “This is a straightforward and practical solution for owners seeking to

Marine Technology Reporter published a supplement to celebrate the 50th anniversary of Oceanology International. Photo: MTR

Oi: Tracking 50 Years of Ocean Innovation

the 2017 MATE international event. Photo: MATE II“It was a fabulous time and it was very exciting,” says Stott, who retired in 1999, but is still a member of the SUT. “Many people came back year after year to Brighton, each year with new and exciting technology. Improvements in electronics and computing helped drive advances. It was a social show but a lot of business got done.”“You went from the late 1960s, with a big emphasis on manned intervention in the ocean, with submersible diving systems, deep diving, and the early days of the North Sea oil and gas industry moving

“We are moving autonomous technologies into vehicles that have always been "remotely operated" or even manned to realize more efficiency and capability.  We are really blurring the lines between "ROV" and "AUV" and minimizing the technical difference between manned and unmanned. ”
Ben Kinnaman, CEO, Greensea Systems, Inc."

Subsea: The Future of Unmanned Vehicles

entered the AUV market as a disruptor in the small autonomous undersea vehicle space. In 2018, it released the MkII micro-UUV into full production. The MkII micro-UUV was a significant design leap forward for Riptide and incorporated molded instead of previously 3D printed components and a major electronics evolution. Riptide’s MkII electronics boards dropped the vehicle’s hotel power to 3.8 Watts, providing more power for payloads and greater vehicle endurance. With this electronics update, its was also able to significantly reduce internal wiring, simplifying the design, increasing

Resourceful: Norwegian AUV and oceanographic researchers work in sync. Photo Credit: Professor Martin Ludvigsen, NTNU AMOS

The “Disruption” in AUV Trends

; are, to be sure, guiding supplier offerings of larger units to the world’s navies.Kongsberg Group’s US business, Hydroid Inc. (and Hydroid subsidiary Kongsberg Underwater Technology, Inc.) now offers the remarkable REMUS 6000, its numeric tag a nod its diving depth.With the software and electronics of the smaller, proven, multi-role REMUS 100, the larger REMUS is sure to impress a U.S. Navy contemplating missions as mind-blowing as patrolling transatlantic cables; knocking out seabed listening posts or hardening vital national infrastructure like harbors and offshore oil platforms. Mission

A Hugin AUV being launched (Courtesy Kongsberg)

Unmanned Vehicles: 25 Years of Milestones

and 3D pseudo-seismic as well as archaeological studies are also common commercial applications. Today the survey AUV is not just accepted, but expected, in many maritime applications.With survey AUVs becoming commonplace the emerging frontier for AUVs includes novel concepts enabled by modern electronics, design, and manufacturing techniques. In QinetiQ North America’s SEAScout we see a compact, simple approach. Teleynde’s Gavia offers modularity for payload and system components, and the Riptide UUV family leverages open source approaches to be especially user-friendly.QinetiQ North

The Kongsberg Maritime EM 124 1x2" mapped the Puerto Rico Trench to depths greater than 8,000 meters. (Photo: Kongsberg Maritime)

Sonar Assists Deepest Solo Sub Dive

ocean depths (11,000 m) with unparalleled swath coverage and resolution. Its broad range of functionality includes the simultaneous collection of seabed and water column imagery, which saves time and increases efficiency during the planning, execution and analysis phase of a mission. The low-noise electronics are compact and flexible in design for easy installation and integration into a vessel of any size."The EM 124 is arguably the most advanced underwater sonar currently installed on a civilian vessel," Vescovo saidThe record dive is part of the Five Deeps Expedition, which seeks to reach

Marine Technology Magazine Cover May 2019 - Underwater Defense Technology

Marine Technology Reporter is the world's largest audited subsea industry publication serving the offshore energy, subsea defense and scientific communities.

Subscribe
Marine Technology ENews subscription

Marine Technology ENews is the subsea industry's largest circulation and most authoritative ENews Service, delivered to your Email three times per week

Subscribe for MTR E-news