Ellipse-A
Small-sized AHRS
Ellipse-A is a cost-effective high-performance Attitude and Heading Reference System (AHRS).
SBG Systems
Carrières-sur-Seine, FR
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.
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Specifications
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Environment
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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
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Power Supply
-
Min. Voltage (DC)
5
Max. Voltage (DC)
36
Power consumption [W]
0.3
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Accelerometers
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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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Operational
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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
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Pressure sensor
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Pressure sensor
N
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Gyroscopes
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Num. of Gyroscopes
3
Range [± ° / sec]
450
In-Run Bias Stability [ °/ hr]
7
Bandwidth [ Hz ]
133
Non-linearity [ % ]
0.05
Alignment Error [ ± ° ]
0.05
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General
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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
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Magnetometers
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Num. of Magnetometers
3
Range [ ± Gauss ]
50
Bandwidth [ Hz ]
22
Non-linearity [ max % ]
0.1
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Additional specifications
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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
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Accuracy
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Heading dynamic accuracy [ ° ]
0.8
Pitch and Roll dynamic accuracy [ ° ]
0.1
Documents
Brochure
ellipse-series-leaflet-1.pdf
4.53 MB
