Page 47: of Marine Technology Magazine (September 2023)

SEAmagine Hydrospace

Corporation https://www.seamagine.com/

Since 1995, SEAmagine’s ? eet of subs have accumulat- ed more than 12,000 dives with a perfect safety record. All

SEAmagine submersibles are classed by the American Bu- reau of Shipping (ABS) that performs the full design reviews and performs all the required surveys of each submersible individually during their construction and testing.

SBG Systems

SEAmagine is in the ? nal stages in the construction of a new https://www.sbg-systems.com/ three-person scienti? c submersible model that will be owned

SBG Systems is a manufacturer of inertial motion and operated by a U.S.-based scienti? c organization that focus sensing solutions. The company provides a range of on the environmental research of our world’s oceans. Using solutions, from miniature to high accuracy. Com- this 1,300m depth-rated Aurora-80 SEAmagine submersible, bined with calibration techniques and advanced em- the organization will spend ? ve years studying, documenting bedded algorithms, SBG Systems products are found and identifying the potential for expanded protections in wa- in maritime applications such as ship motion moni- ters crucial to the survival of the oceans. The submersible is toring, SONAR, LiDAR, buoy orientation and posi- equipped with a series of subsea imaging and navigation tools tion, ROV & AUV control, dredging, and platform as well as a seven-axis hydraulic manipulator, custom HD un- stabilization. SBG Systems offers a complete line of derwater camera, and even a custom E-DNA sampling system. inertial sensors, such as Attitude and Heading Refer-

Built for science, this ABS Classed three-person Aurora-80 is ence System (AHRS) or Inertial Measurement Unit designed for harsh sea conditions, has a dry weight of 9,000Kg (IMU), based on the state-of-the-art MEMS technol- and can perform multiple dives per day.

ogy. Combining MEMS tactical inertial sensors with a quad-constellation, dual-antenna GNSS receiver,

The New AURORA-90 & AURORA-100 series

Ekinox Micro is a choice for mission-critical applica-

SEAmagine is completing its ? rst vessel of the AURORA-90 tions, meeting MIL-STD-461, MIL-STD-1275, and and AURORA-100 series that offer an extra-large cabin with

MIL-STD-810 standards. Measuring just 4.2 x 5.7 x modular seating that provides seating for three to seven peo- 6.0 cm and weighing only 165 g, Ekinox Micro is ple, depending on the interior selected and the maximum small and lightweight, yet rugged enough to handle depth rating required. Based on the same platform, the two any application. It includes pre-con? gured motion models differ in the size of the acrylic bubble. An extra metal pro? les for marine applications (as well as land and hull section behind the window of each model provides pre- air), allowing the sensor and algorithms to be tuned cious additional interior space and allows passengers to each for maximum performance in any condition. It has a have seats located inside of the bubble for a nearly 270-degree dual-antenna GNSS receiver for heading. view, with the pilot located in the center rear section.

Ekinox Micro is RTK compatible and based on a

These models can be depth-rated between 100m (328 ft.) to tactical 0.8°/h class IMU calibrated across the entire 1,000m (3,280 ft.) targeting leisure or tourism – hosting four, operating temperature range, with accuracy roll/pitch ? ve, or six passengers, plus a pilot. of 0.015° and accuracy heading of 0.035° and accura- cy position of 1.2 m in without any corrections or 1cm in RTK. Ekinox Micro also embeds several technolo- gies to ? ght against GNSS jamming and spoo? ng.

Its dual-band, full-constellation GNSS signi? cantly reduces the chance of an attack being successful, and its mitigation algorithms ? lter jamming and spoo? ng, with ? ags to inform the user whenever corrupted sig- nal is detected. Furthermore, Ekinox Micro offers an automatic aggressive regression mode to fall back on inertial sensors and velocity aiding as soon as a po- tential jamming or spoo? ng event is detected. www.marinetechnologynews.com 47

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