Centrale inertielle SBG Ellipse A Marine AHRS

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Inerciālā centrāle 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.

Model: Ellipse A

Ellipse A Ellipse D

Configuration: Standalone display unit

Standalone display unit Complete kit

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2.616,00€

TTC Piegāde aprēķināta maksājuma brīdī.

Noliktavā

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

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of certified installers

Find an installer

Service d'assistance

Choose additional assistance for installation

Technical specifications

Sistēmas tips	AHRS
Jūras pielietojums	Navigation, Stabilisation, Levés bathymétriques
Integrēts GNSS	non
RTK / PPK	non
Ritināšanas/šūpošanās precizitāte (°)	0.1
Kursa precizitāte (°)	0.8
Heave reālajā laikā	oui
Saskarnes	RS-232, RS-422, USB, CAN
Izejas protokoli	NMEA, sbgECom, REST API, TSS, KVH, Dolog
IP indekss	IP68
Minimālā temperatūra (°C)	-40.0
Maksimālā temperatūra (°C)	85.0
Ieejas spriegums (V)	5 - 36 VDC
Patēriņš (W)	0.3
Izmēri (mm)	46 x 45 x 24 mm
Svars (g)	45.0

Detailed description

Inerciālā centrāle SBG Ellipse A Marine AHRS ir kompakts un izturīgs orientācijas un kursa atskaites (AHRS) sistēma, kas paredzēta precīzai orientācijas un šūpošanās noteikšanai dinamiskos jūras apstākļos. Tajā integrēta industriālās klases MEMS tehnoloģijas inerciālā mērījumu vienība (IMU) un kalibrēti magnetometri, nodrošinot uzticamu datu sniegšanu prasīgu pielietojumu gadījumiem, piemēram, zemūdens navigācijai, iekārtu stabilizācijai un kustību novērošanai virs ūdens līmeņa.

Tehniskās īpašības un precizitāte

Ellipse A nodrošina ievērojamu orientācijas precizitāti ar kļūdu 0,1° rollī un pitchā statiskā režīmā, un 0,4° dinamiskā jūras režīmā. Magnētiskais kurss tiek nodrošināts ar precizitāti 0,8° pēc kalibrācijas statiskā režīmā, vienmērīgā magnētiskā lauka apstākļos. Jaunākās paaudzes šūpošanās algoritms automātiski pielāgo viļņu periodu (līdz 15–20 sekundēm), nodrošinot precizitāti 5 cm vai 5% (ievērojot lielāko vērtību), kas ir būtiski batimetriskajiem mērījumiem un dinamiskās pozicionēšanas sistēmām.

Iekšējie sensoru klāsts ietver akselerometrus (jūras diapazons ±8 g), giroskopus (jūras diapazons ±450 °/s) un magnetometrus (50 Gausu diapazons). Šie sensoru dati tiek apstrādāti ar attīstītiem filtru algoritmiem, nodrošinot efektīvu vibrāciju kompensāciju (izturība līdz 8 g RMS 20 Hz līdz 2 kHz saskaņā ar MIL-STD 810G) un sarežģītu magnētisko kalibrāciju, kas palielina noturību pret pārejošiem magnētiskiem traucējumiem. IMU datu izvades ātrums var sasniegt 1 kHz, nodrošinot optimālu reaģēšanas ātrumu stabilizācijas un mērķēšanas pielietojumiem.

Expert review

Pol CONIN

Digital Manager

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

The SBG Ellipse A Marine AHRS inertial measurement unit is a technical solution of choice for marine applications requiring precise determination of attitude and heave. Its compact design (46 x 45 x 24 mm, 45 g) facilitates integration in confined spaces, a major advantage for vessels of all sizes. Its robustness is an undeniable strength: the IP68 housing ensures waterproofing against harsh marine environments, while compliance with MIL-STD 810G vibration tests (8 g RMS) and shock tests (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 crucial for dynamic positioning systems, bathymetric surveys, or equipment stabilization. The integration of magnetometers with advanced calibration offers valuable redundancy for magnetic heading, particularly useful in case 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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Inerciālā centrāle SBG Ellipse A Marine AHRS

2.616,00€

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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 the roll, pitch, heading and heave measurements of the Ellipse A Marine?

The Ellipse A Marine IMU provides high accuracy for its 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 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 Ellipse A Marine inertial navigation unit?

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

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

The Ellipse A Marine central unit is equipped with several 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 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 simplify 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 is 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 measurement unit?

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

Does the Ellipse A Marine IMU require regular recalibration?

No, each SBG Ellipse A Marine sensor undergoes rigorous calibration and factory testing across its full 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 a 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 accuracy.

The OEM version is ideal for manufacturers integrating the IMU into their own systems.

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 a precision of 5 cm or 5% (whichever is greater). The system automatically adjusts to wave periods, supporting periods from 0 to 20 seconds.

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

The calculated Mean Time Between Failures (MTBF) 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:

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

Does the Ellipse A Marine AHRS accept external input data?

No, the technical documentation states that input protocols (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 has 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 complete 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 stage.