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Inertial Labs INS-DU – uBlox and miniAHRS Based Dual Antenna Inertial Navigation System

Low Cost Dual Antenna Highly Accurate GPS-Aided INS for Precision Agriculture and many other applications

The new INS-DU is a high performance strapdown system that determines position, velocity, and absolute orientation to any platform that it is mounted to.

  • Inertial Labs INS-DU – uBlox and miniAHRS Based Dual Antenna Inertial Navigation System
Inertial Labs
39959 Catoctin Ridge Street
20129 Paeonian Springs
United States

Description

The INS-DU utilizes a cost-effective, dual antenna uBlox GNSS receiver that provides 1 cm RTK position from RTCM3 RTK corrections and supports a wide range of GNSS constellations. Designed for UAVs, Land Vehicles, and Marine Vessels, the INS-DU is an effective, low-cost solution that uses a range of aiding data for different applications. With highly accurate navigation in GNSS-denied environments, the INS-DU delivers a comprehensive GNSS-denied solution at a significantly lower price point.

One of the key elements to the success of the INS-DU is its use of the miniAHRS, which utilizes 3-axes each of precision magnetometers, accelerometers, and gyroscopes to provide orientation of the device under measure. It contains cutting-edge algorithms for the motion of robots, unmanned and autonomous vehicles, and antennas. MiniAHRS mini fluxgate magnetometers have a distinct advantage over commonly used magneto-inductive or magneto-resistive alternatives and have been a trusted North reference for over 70 years.

The INS-DU provides a full navigation solution for both GNSS and GNSS-denied environments at an unparalleled value. With custom interfaces and a power consumption of two and a half of a Watts, the INS-DU is a versatile solution fit for a wide variety of users with power consumption restrictions. In addition, the INS-DU contains our on-board sensor fusion filter, state of the art navigation, and guidance algorithms and calibration software.

Specifications

  • Type of application
    Air, Land, Marine
  • Year of initial development
    2020
  • Height [mm]
    53
  • Width [mm]
    50
  • Length [mm]
    120
  • Weight [kg]
    0.32
  • Min. Voltage (DC)
    9
  • Max. Voltage (DC)
    34
  • Power consumption [W]
    6
  • Splashproof casting
    Y
  • Mean time between failures [hr]
    55500
  • Type of accelerometer
    MEMS
  • Type of gyro
    MEMS
  • Removable from base plate
    N
  • Moving parts
    N
  • Min. operating temperature [°C]
    -40
  • Max. operating temperature [°C]
    85
  • NMEA formats
    Yes
  • RTCM
    Y
  • Other
    Horizontal and Vertical Positions, Heading, Pitch & Roll, Velocity, Accelerations, Angular rates, Barometric data, PPS
  • Number of integrated GNSS receivers and antenna ports
    2
  • No. channels p receiver
    1
  • Tracked satellite signals
    GPS L1C/A L2C, GLO L1OF L2OF, GAL E1B/C E5b, BDS B1I B2I, QZSS L1C/A L2C SBAS L1C/A: WAAS, EGNOS, MSAS, GAGAN
  • SBAS differential signals
    Yes
  • RTK Network Compatibility
    Yes
  • Update rate [ Hz ]
    200
  • Cold start [ seconds ]
    20
  • Hot start [ seconds ]
    1
  • Horizontal Position Accuracy [ RMS in cm ]
    1500
  • Horizontal Position Accuracy (SBAS) [ RMS in cm ]
    1200
  • Horizontal Position Accuracy (RTK) [ RMS in cm ]
    1
  • Heading [deg]
    0.2
  • Pitch [deg]
    0.1
  • Roll [deg]
    0.1
  • Name
    GUI
  • Filtering
    Y
  • Adaptable input signals
    Y
  • Integrity monitoring of position input
    Y
  • Integrity monitoring of log input
    Y
  • Export restrictions
    ITAR Free
  • Graphical user interface
    Y
  • Typical application
    UAV, UGV, Remote Sensing, ROV, USV
  • Distinguishable features
    New generation, low cost, high-performance, data-logging capable, GPS-denied capable

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