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SBG Systems Ellipse-A

Small-sized AHRS

Ellipse-A is a cost-effective high-performance Attitude and Heading Reference System (AHRS).

  • SBG Systems Ellipse-A
SBG Systems
1, avenue Eiffel
78420 Carrières-sur-Seine
France
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Ellipse Series 3rd Generation: Miniature RTK Inertial Navigation Systems - AHRS - MRU - INS / GNSS
Ellipse Series 3rd Generation: Miniature RTK Inertial Navigation Systems - AHRS - MRU - INS / GNSS


Inertial Navigation System Tested with MBES in Hydrographic Conditions
Inertial Navigation System Tested with MBES in Hydrographic Conditions

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Description

Ellipse-A is a small-sized high performance Attitude and Heading Reference System (AHRS). It provides Roll, Pitch, Heading, and Heave data. This light-weight sensor (45 grams) includes a MEMS-based Inertial Measurement Unit (IMU) integrating three gyroscopes, three magnetometers, and three accelerometers.

Specifications

  • Year of last update
    2020
  • Year of initial development
    2014
  • System components
    Accelerometer(s), Gyroscope(s), Magnetometer(s), Temperature sensor
  • Height [mm]
    24
  • Width [mm]
    45
  • Length [mm]
    46
  • Weight [gr]
    45
  • Min. Voltage (DC)
    5
  • Max. Voltage (DC)
    36
  • Power consumption [W]
    0.3
  • Non-operating shock tolerance [g]
    2000
  • Operating shock tolerance [g]
    8
  • Min. operating temperature [C]
    -40
  • Max. operating temperature [C]
    85
  • Splashproof casting
    Y
  • Water resistant casting
    Y
  • Water resistance [m]
    2
  • Casting and coating
    IP68
  • Interface types
    Digital and/or Analog
  • Other interfaces and additional information
    CAN 2.0A/B - up to 1 Mbit/s, RS-232, RS-422, USB - up to 921,600 bps.
  • Output data formats
    Binary eCom protocol, TSS
  • Output frequency [ Hz ]
    200
  • Interfaces
    RS-422, USB, CAN
  • Heading dynamic accuracy [ ° ]
    0.8
  • Pitch and Roll dynamic accuracy [ ° ]
    0.1
  • Num. of Gyroscopes
    3
  • Range [± ° / sec]
    450
  • In-Run Bias Stability [ °/ hr]
    7
  • Bandwidth [ Hz ]
    133
  • Non-linearity [ % ]
    0.05
  • Alignment Error [ ± ° ]
    0.05
  • Num. of Magnetometers
    3
  • Range [ ± Gauss ]
    50
  • Bandwidth [ Hz ]
    22
  • Non-linearity [ max % ]
    0.1
  • Pressure sensor
    N
  • Distinguishable features
    Very high performance in Attitude (0.1°) and Heave (5 cm) for such a small and affordable inertial sensor. IMU data are available at 1,000 Hz and Filtered data are available at 200 Hz
  • Application
    BuoyOceanographyVessel motion monitoring
  • Num. of Accelerometers
    3
  • Range [max g]
    8
  • Bandwidth [ Hz ]
    390
  • Alignment Error [ ± ° ]
    0.05
  • In-Run Bias Stability [mg]
    5

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