Centrale inertielle SBG Ellipse A Marine AHRS

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Inercinė navigacinė sistema SBG Ellipse A Marine AHRS

The SBG Ellipse A Marine AHRS inertial measurement unit is a compact and robust system designed for precise orientation (0.1° in roll/pitch, 0.8° in heading) and heave (5 cm) in marine environments, featuring an algorithm.

Modelis: Ellipse A

Ellipse A Ellipse D

Konfigūracija: Standalone unit

Standalone unit Complete kit

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2.616,00€

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Sandėlyje

Free pickup point from 150€ in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

through our network of certified installers

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Support service

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Technical specifications

Sistemos tipas	AHRS
Jūrinis naudojimas	Navigation, Stabilisation, Levés bathymétriques
Įmontuotas GNSS	non
RTK / PPK	non
Rolių/štilio tikslumas (°)	0.1
Kurso tikslumas (°)	0.8
Heave (vertikalusis judesys) realiuoju laiku	oui
Sąsajos	RS-232, RS-422, USB, CAN
Išvesties protokolai	NMEA, sbgECom, REST API, TSS, KVH, Dolog
IP klasė	IP68
Min. temperatūra (°C)	-40.0
Maks. temperatūra (°C)	85.0
Įėjimo įtampa (V)	5 - 36 VDC
Srovės suvartojimas (W)	0.3
Matmenys (mm)	46 x 45 x 24 mm
Svoris (g)	45.0

Detailed description

Inercinė navigacinė sistema SBG Ellipse A Marine AHRS yra kompaktiška ir tvirta orientacijos bei bangavimo nustatymo sistema (AHRS), skirta tiksliai nustatyti orientaciją ir bangavimą jūrinėse dinamiškose aplinkose. Ją sudaro pramoninės kokybės MEMS technologijos inertinės matavimo įranga (IMU) ir kalibruoti magnetometrai, teikiantys patikimus duomenis reikalaujantiems taikymams, tokiems kaip povandeninė navigacija, įrangos stabilizavimas ir judesių sekimas paviršiuje.

Techninės charakteristikos ir tikslumas

Ellipse A pasižymi išskirtiniu orientacijos tikslumu: 0,1° paklaida ruliavimo ir štilio režimuose, 0,4° bangavimo režimuose. Magnetinė kursą nustatoma su 0,8° tikslumu statinėje būsenoje po kalibravimo, esant vienalytam magnetiniam laukui. Moderniausias bangavimo algoritmas automatiškai reguliuoja bangų periodą (iki 15–20 sekundžių), garantuodamas 5 cm arba 5 % tikslumą (atsižvelgiant į didesnį rodiklį), būtiną batimetriniams matavimams ir dinaminio pozicionavimo sistemoms.

Įrenginyje įmontuoti jutikliai: akselerometrai (jūrinis diapazonas ±8 g), giroskopai (jūrinis diapazonas ±450 °/s) ir magnetometrai (50 Gausų diapazonas). Jie derinami su pažangiais filtrais vibracijoms valdyti (8 g RMS atspindys nuo 20 Hz iki 2 kHz pagal MIL-STD 810G) ir sudėtinga magnetine kalibracija, užtikrinančia didesnį atsparumą tranzitinėms magnetinėms trikdžių. IMU duomenų išvesties dažnis gali siekti 1 kHz, užtikrinant optimalią reakciją stabilizavimo ir taikymo sistemoms.

Expert review

Pol CONIN

Digital Manager

« Technical evaluation of the SBG Ellipse A Marine inertial navigation unit »

The SBG Ellipse A Marine AHRS inertial navigation unit is a high-performance technical solution for marine applications requiring precise attitude and heave determination. Its compact design (46 x 45 x 24 mm, 45 g) simplifies integration in confined spaces, a major advantage for vessels of all sizes. Robustness is a key feature: the IP68 housing ensures waterproofing in harsh marine environments, while compliance with MIL-STD 810G vibration tests (8 g RMS) and shock resistance (500 g) guarantees operational reliability even under extreme conditions. The Ellipse A’s ability to provide heave data with 5 cm accuracy, automatically adjusted to wave period, is critical for dynamic positioning systems, bathymetric surveys, or equipment stabilization. The integration of advanced calibrated magnetometers offers valuable redundancy for magnetic heading, particularly useful in the event of GNSS failure or unavailability. Multiple interfaces (RS-232, RS-422, USB, CAN) and NMEA compatibility facilitate integration with most existing navigation systems. The sbgCenter software simplifies configuration and monitoring, making the device accessible to integrators. With an MTBF of 218,000 hours and factory calibration over a wide temperature range (-40 to 85 °C), long-term durability is ensured.

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Inercinė navigacinė sistema SBG Ellipse A Marine AHRS

2.616,00€

Frequently asked questions

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What is the SBG Ellipse A Marine AHRS inertial measurement unit and what is it used for?

The SBG Ellipse A Marine AHRS (Attitude and Heading Reference System) inertial measurement unit is a compact and rugged sensor designed for marine applications. It integrates an Inertial Measurement Unit (IMU) and magnetometers to provide reliable orientation data (roll, pitch, heading) and heave in dynamic environments, even in the presence of transient magnetic disturbances.

What is the accuracy of roll, pitch, heading, and heave measurements for the Ellipse A Marine?

The Ellipse A Marine IMU provides high-accuracy measurements:

Roll / Pitch: 0.1° (static)Heading (magnetic): 0.8° (under homogeneous magnetic field after calibration)Heave: 5 cm or 5% (whichever is greater), with automatic wave period adjustment (up to 20 seconds).

Is the Ellipse A Marine IMU waterproof and shock-resistant for marine use?

Yes, the Ellipse A Marine IMU housing version is designed to be robust and resistant to marine environments. It is IP68 certified, ensuring resistance to dust and immersion in water (1 hour at 2 meters). Additionally, it meets MIL-STD 810G vibration standards (8 g RMS from 20 Hz to 2 kHz) and shock resistance (500 g for 0.1 ms), ensuring operational reliability even in extreme conditions.

What are the power supply requirements for the SBG Ellipse A Marine inertial navigation unit?

The SBG Ellipse A Marine AHRS inertial navigation unit requires a direct current (DC) power supply. The accepted input voltage range is 5 to 36 VDC. Its power consumption is very low, under 300 mW.

What communication interfaces does the Ellipse A Marine central unit provide?

The Ellipse A Marine central unit is equipped with multiple communication interfaces for easy integration:

Serial interfaces: RS-232, RS-422, USB (up to 2 Mbps)CAN interface: CAN 2.0A/B (up to 1 Mbps)Synchronization inputs/outputs: 2 sync inputs (RS232), 1 sync output (TTL)It supports protocols such as sbgEcom (binary), REST API, NMEA and other third-party protocols, with an output rate of up to 1 kHz for IMU and Euler data.

With which software or platforms is the SBG Ellipse A Marine IMU compatible?

The Ellipse A Marine is compatible with several tools and platforms to facilitate its use and integration:

sbgCenter: Software provided by SBG Systems for configuration, monitoring, and data logging.
ROS (Robot Operating System): A driver is available for full compatibility with this open-source software collection for robotics.
Pixhawk: Open-source hardware platform used for autopilot systems in drones and other unmanned vehicles.

What are the weight and dimensions of the Ellipse A Marine inertial measurement unit?

The Ellipse A Marine inertial measurement unit is designed to be very compact and lightweight. Its dimensions are 46 x 45 x 24 mm and it weighs only 45 g for the enclosure version. An OEM version is also available with dimensions of 29.5 x 25.5 x 11 mm and a weight of 8 g.

What is the warranty duration for the SBG Ellipse A Marine AHRS inertial navigation unit?

The SBG Ellipse A Marine AHRS inertial navigation unit comes with a 2-year manufacturer's warranty.

Does the Ellipse A Marine IMU require regular recalibration?

No, each SBG Ellipse A Marine IMU sensor undergoes a thorough calibration and testing process in the factory across its entire operating temperature range. This ensures the product will meet its specifications throughout its lifespan without requiring recalibration.

Are there different versions of the Ellipse A Marine IMU, for example for OEM integration?

Yes, the Ellipse A Marine IMU is available in two main versions:

A boxed version, with IP68 protection, resistant to dust and water. Its dimensions are 46 x 45 x 24 mm and its weight is 45 g.

An OEM version, mounted on PCB, designed for compact integration. Its dimensions are 29.5 x 25.5 x 11 mm and its weight is 8 g.

Both versions provide the same performance and are compatible with the same software and NMEA 2000 network.

How does the Ellipse A Marine IMU handle heave and wave period adjustment?

The Ellipse A Marine IMU integrates high-performance accelerometers and a next-generation heave algorithm. It provides accurate heave data for marine applications, with an accuracy of 5 cm or 5% (whichever is greater). The system automatically adjusts the wave period, supporting periods from 0 to 20 seconds.

What is the average lifetime (MTBF) of the SBG Ellipse A Marine AHRS IMU?

The mean time between failures (MTBF) calculated for the SBG Ellipse A Marine AHRS IMU is 218,000 hours.

Which motion profiles are supported by the Ellipse A Marine IMU?

The Ellipse A Marine IMU supports a variety of motion profiles to adapt to different applications. Profiles include:

Airborne: airplane, fixed-wing drone, helicopter, UAV. Marine: marine, submarine. Land: automotive, heavy machinery, off-road vehicle, pedestrian, railway, static, truck.

Does the Ellipse A Marine AHRS unit accept external input data?

No. The technical documentation states that input protocols are not applicable (N/A) for the Ellipse A Marine AHRS. It is primarily designed to provide orientation and heave data. However, it features 5 Sync IN inputs for event markers or PPS up to 1 kHz.

Where can I find the technical documentation and installation guides for the Ellipse A Marine autopilot?

The Ellipse A Marine autopilot comes with comprehensive documentation. This includes installation guides, advanced configuration information, troubleshooting, and detailed manuals for smooth integration and operation. Test reports and firmware update procedures are also available. These resources are provided to assist users at every step.