SBG Ellipse-N Miniature INS/GPS

SBG Ellipse-N: Miniature INS/GPS

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The Ellipse-N is a small-sized high-performance RTK Inertial Navigation System (INS) with an integrated Dual band, Quad Constellations GNSS receiver. It provides Roll, Pitch, Heading, Heave and centimetre-level GNSS position. The Ellipse-N is be best suited for dynamic environments, and harsh GNSS conditions, but can also operate in lower dynamic applications with a magnetic heading.

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Overview

The Ellipse-N miniature INS/GPS from SBG Systems is a small, compact device that acts as an Inertial Navigation System (INS) using a GNSS receiver. The Ellipse-N has three gyroscopes, three accelerometers and three magnetometers. It produces high accuracy results and works on the MEMs-based Inertial Measurement Unit (IMU) principle.

The Ellipse-N runs on enhanced Extended Kalman Filter (EKF) which incorporates inertial data with GNSS, odometer and DGPS information for the precise orientation and the accurate navigation data even in the harsh environment.

This product is water resistant and is suitable for Marine, Land and Aerospace applications.

Features

  • 0.05° Roll and Pitch (RTK)
  • 0.2° Heading (RTK High Dynamics)
  • 5 cm Real-time Heave
  • 1 cm RTK GNSS Position
  • Raw Data for Post-Processing
  • Very Low Noise Gyroscopes
  • Efficient Vibrations Handling
  • ITAR Free
  • Extremely Small OEM Module Available
  • Full Development Kit

Technical Specification

Accuracy
Pitch & Roll:0.1° SP
0.05° RTK
0.03° PPK
Heading:0.2° Dual antenna 2m
0.2° Single antenna with dynamics
0.1° PPK
Velocity:0.03 m/s
Navigation:1.2 m Single Point
1 m SBAS
1 cm RTK/PPK + 1 ppm
Heave Accuracy:5 cm or 5% – Valid for Marine version
Heave Period:Up to 15 s – Automatically adjusts to the wave period
Internal GNSS
Features:SBAS, RTK, RAW
GPS:L1C/A, L2C
GLONASS:L1OF, L2OF
Galileo:E1, E5b
BeiDou:B1/B2
Update Rate:5 Hz
Cold Start:< 24 s
Hot Start:< 2 s
Accelerometers
Gain Stability:1000 ppm
Non-linearity:1500 ppm
Bias Stability:± 5 mg
Random Walk:57 µg/√Hz
Gyroscopes
Gain Stability:500 ppm
Non-linearity:50 ppm
Bias Stability:± 0.2 °/s
Random Walk:0.15 °/√hr
Magnetometers
Gain Stability:< 0.5 %
Non-linearity:< 0.1 % FS
Bias Stability:± 1 mGauss
Random Walk:3 mGauss
Physical
Size:46 mm x 45 mm x 24 mm (Box)
29.5 mm x 25.5 mm x 16 mm (OEM)
Weight:49 g (Box)
17 g (OEM)
Input Voltage:5 – 36 V
Power Consumption:< 460 mW
Environmental
Specified Temperature:-40 °C to 85 °C (-40 °F to 185 °F)
Shock Limit:2000 g
Operating Vibration:8 g RMS (20 Hz to 2 k Hz per MIL-STD 810G)
IP RatingIP68
MTBF:50,000 hours

Video

Ordering

The Ellipse-N miniature INS/GPS from SBG Systems is available through Canal Geomatics. If you would like more information about this product, please get in touch with us by completing the Request Pricing form.

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