BOREAS

Using world-first Digital FOG technology, Boreas is an ultra-high accuracy INS offering 40% lower SWaP-C.

Roll & Pitch
0.005 °
Heading (GNSS)
0.006 °
Bias Instability
0.001 °/hr
Position Accuracy
8 mm

Boreas combines cutting-edge closed-loop Digital Fibre Optic Gyroscope (DFOG) and closed-loop accelerometer technologies, with a dual antenna RTK GNSS receiver. These are coupled in a sophisticated fusion algorithm to deliver accurate and reliable navigation. The system features ultra-fast gyro compassing, acquiring and maintaining an accurate heading under all conditions with no reliance on GNSS.

Revolutionary DFOG Technology

Boreas takes Fibre Optic Gyroscope (FOG) technology into the next generation with new, patent-pending Digital FOG (DFOG) technology, developed over 25 years with 2 research institutions. This revolutionary DFOG technology combines a specially designed closed-loop optical coil with advanced spread spectrum digital modulation techniques that have never been used in a FOG before. The resulting DFOG offers dramatically improved accuracy, stability, and reliability with significantly reduced size, weight, power, and cost.

Ultra-Fast North Seeking

The superior accuracy of the DFOG technology enables Boreas D90 to rapidly determine its heading, without the need for GNSS or magnetometers. By sensing the Earth's rotation, Advanced Navigation's revolutionary north-seeking algorithm allows Boreas D90 to acquire an accurate heading within minutes of start up. This can be achieved in both static and dynamic conditions, as well as at high latitudes.

Reliability

Boreas D90 has been designed from the ground up for reliability. Both the hardware and software are designed and tested to safety standards. The precision aluminium enclosure is waterproof and dustproof to the IP67 standard. The system is resilient to shock and vibration, allowing it to be used in the most extreme conditions. The hardware is designed and tested to MIL standards. The GNSS contains RAIM, which excludes malfunctioning or tampered satellite signals.

Industry Leading SWaP-C

Based on ground-breaking DFOG technology, Boreas D90 offers a 40% reduction in size, weight, power and cost, when compared to competing systems of similar performance.

Multi Protocol Support

Boreas D90 features multiple interfaces including Ethernet, CAN, RS232, RS422 and GPIOs. Boreas D90 supports all the industry standard protocols including NMEA, CANopen, NTP, PTP, as well as a wide variety of proprietary protocols. A rich, responsive embedded web interface provides full access to all of the device's internal functions and data. Internal storage allows for up to 1 year of data logging.

Applications

Specifications

Boreas D90

Navigation

Roll & Pitch Accuracy
0.005 °
Heading Accuracy (dual GNSS, 1m separation)
0.006 °
Heading Accuracy (without GNSS)
0.01 ° secant latitude
Gyrocompass Alignment
2 minutes (typical) / 10 minutes (maximum)
Accuracy with Odometer (no GNSS)
0.01 % distance travelled
Horizontal Position Accuracy (RTK or PPK)
0.008 m
Vertical Position Accuracy (RTK or PPK)
0.01 m
Horizontal Position Accuracy (SBAS)
0.5 m
Vertical Position Accuracy (SBAS)
0.8 m
Velocity Accuracy
0.005 m/s
Heave Accuracy
2 % or 0.02 m (whichever is greater)
Output Rate
1000 Hz

Sensors

Accelerometers

Range
±15 g
Bias Instability
7 ug
Initial Bias
< 100 ug
Initial Scaling Error
340 ppm
Scale Factor Stability
100 ppm
Non-linearity
150 ppm
Cross-axis Alignment Error
< 0.001 °
Noise Density
< 30 ug/√Hz
Random Walk
17 mm/s/√hr VRW
Bandwidth
300 Hz

Gyroscopes

Range
±490 °/s
Bias Instability
0.001 °/hr
Initial Bias
< 0.01 °/hr
Initial Scaling Error
80 ppm
Scale Factor Stability
10 ppm
Non-linearity
10 ppm
Cross-axis Alignment Error
< 0.001 °
Noise Density
0.06 °/hr/√Hz
Random Walk
0.001 °/√h ARW
Bandwidth
400 Hz

Pressure

Range
10 to 130 kPa
Bias Instability
8 Pa
Initial Bias
< 50 Pa
Noise Density
0.4 Pa/√Hz
Bandwidth
50 Hz

GNSS

Model
Advanced Navigation Aries
Supported Navigation Systems
GPS L1, L2 • GLONASS L1, L2 • GALILEO E1, E5b • BeiDou B1, B2
Supported SBAS Systems
WAAS • EGNOS • MSAS • GAGAN • QZSS
Update Rate
Up to 20 Hz
Hot Start First Fix
2 s
Cold Start First Fix
30 s
Horizontal Position Accuracy
1.2 m
Horizontal Position Accuracy (with SBAS)
0.5 m
Horizontal Position Accuracy (with RTK)
0.01 m
Velocity Accuracy
0.05 m/s
Timing Accuracy
20 ns
Acceleration Limit
4 g

Communication

Interface
Ethernet • RS232/RS422 • CAN • 1 PPS
Speed
100Mbit • 4800 to 4M baud serial
Protocol
AN Packet Protocol • NMEA • CANopen
Peripheral Interface
2x GPIO • 1x Auxiliary RS232
GPIO Level
5 V (RS232) • 3.3 V
GPIO Functions
1PPS Input/output • Odometer • Stationary • Air Data Input • NMEA input/output • Novatel GNSS input • Trimble GNSS input • AN Packet Protocol • CAN/CANopen • Event Trigger

Hardware

Operating Voltage
9 to 36 V
Input Protection
-200 to 200 V
Power Consumption (Typical)
12 W
Hot Start Battery Capacity
> 48 hrs
Hot Start Battery Charge Time
30 mins
Hot Start Battery Endurance
> 10 years
Operating Temperature
-40 °C to 85 °C
Environmental Protection
IP67 • MIL-STD-810G
MTBF
> 70,000 hrs
Shock Limit
50 g 11 ms
Vibration
8g rms (20-2000 Hz random)
Dimensions
160 x 140 x 115.5 mm
Weight
2.5 kg

Documentation

Datasheet
28 Sep 2021 - V1.1
Reference Manual (Online)
Latest
Reference Manual (PDF)
17 Jun 2021 - V1.0
3D Model
25 May 2021 - V1.0

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