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Maritime Robotics Otter USV

1 - 2 - 3 : Plan - Deploy - Map

The Otter is the ultimate hydrographic survey tool for mapping of sheltered and enclosed waters. With tight integration between the on-board control system that enables autonomy and the multibeam echo-sounder, a bathymetric survey can be executed with a simple, streamlined workflow. The Otter comes with a laptop providing the Vehicle Control Station, which allows live monitoring of sensor data quality parameters and visualisation of data coverage in the same graphical user interface.

  • Maritime Robotics Otter USV
Maritime Robotics
Brattørkaia 13B
7010 Trondheim
Norway
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Description

Maritime Robotics’ Otter USV is the ultimate hydrographic survey tool for mapping sheltered and enclosed waters. With tight integration between the on-board control system that enables autonomy and the multibeam echo-sounder, a bathymetric survey can be executed with a simple, streamlined workflow.

The Otter USV is the smallest member of the Maritime Robotics USV family. With a footprint of only 200 x 108 x 106 cm, it fits into any small cargo van for convenient transportation to survey sites. With a weight of 95 kg assembled, and with the ability to disassemble the Otter into parts weighing less than 20kg, a single operator can launch the vessel from a jetty, lake- or riverside, or the beach.

The autonomous future is electric: the Otter is equipped with electric thrusters that are powered by up to four powerful and easily interchangeable battery packs. This gives the Otter a best-in-class endurance for its size, operating up to 20 hours (at 2 kn). The battery solution is built on off-the-shelf components, providing easy access to spare parts all over the world.

The Otter can be controlled via a graphical user interface, Maritime Robotics’ vehicle control station (VCS), or a mobile phone app. The app provides manual joystick-like control, while VCS has many control modes, such as course and speed control, heading control, or waypoint control. For waypoint control, the operator can easily plan missions consisting of individual waypoints, or use templates for creating common patterns such as lawnmower surveys.  Furthermore, live monitoring of sensor data quality parameters and visualisation of actual data coverage are provided in the same graphical user interface.

The Otter’s robust catamaran design and the tightly integrated bathymetric survey system make this system a cost-efficient turn-key solution for bathymetric surveys in sheltered waters such as small lakes, canals, rivers, ponds, and harbour areas.

Specifications

  • Length [m]
    2
  • Width [m]
    1.08
  • Height [m]
    1.06
  • Min. weight of USV in air [kg]
    55
  • Max. Weight of USV in air [kg]
    65
  • Portable
    Y
  • Draft [m]
    0.25
  • Number of thrusters
    2
  • Thruster specifications
    Electrical thrusters
  • Chassis
    Aluminum
  • Min. turning radius [m]
    0
  • Max. speed [kn]
    5.5
  • Max. Remote Operating Range {m}
    2500
  • Navigation sensors - standard
    Standard GPS
  • Navigation sensors - optional
    Applanix PosMV, SeaPath 130
  • Payload sensors - optional
    Norbit iWBMS(e/h), Kongsberg EM2040P, PingDSP 3DSS-iDX-450, Teledyne ODOM MB2, AML Base X2, Valeport Swift SVP, Biosonics MX, UHF modem for RTK corections, Ntrip software client on-board
  • Propulsion
    Two fixed thrusters
  • Energy Source
    Electric
  • Propulsion Power
    400 W
  • Endurance at nominal power [hr]
    20 hours at 2 kn with 4 batteries (iWBMS from Norbit pinging)
  • Type of Communication
    4G, Wifi hotspot, high bandwidth point-to-point with shoreside radio
  • Data sent to shore
    Vessel telemetry, sonar coverage, sonar remote settings, remote control of Windows acquisition computer
  • Auto- control
    Yes
  • Control parameters sent to the USV
    Control mode: manual, course+speed, waypoint mission
  • Emergency recovery procedure
    Watchdog: Standby mode
  • Applications
    Shallow water hydrographic surveys, Habitat mapping, Port & harbor security, Marine debris search, Water quality sampling, Dredging operations, Underwater archaeology, Pre- and postlay cable and pipeline surveys in shallow waters, Sound Velocity Profiling

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