Tritech Intelligent Combi-Compass (iCC)
The Tritech solid state intelligent Gyro Compass (iGC) and intelligent Fibre-optic Gyro (iFG) have rapidly become the leading MRUs and vehicle-heading sensors for most ROV and AUV applications. In response to market demand Tritech is proud to introduce the new intelligent Combi-Compass (iCC), which combines the iCG and the iFG in a single 4000m depth rated housing.
The gyro compass element in the iCC combines three angular rate gyros with three orthogonal accelerometers and magnetometers. This makes it an invaluable accurate and reliable heading sensor and MRU, which can provide movement data that is unobtainable from magnetically slaved gyros and flux gate compasses.
The single axis fibre optic compass within the iCC provides additional heading stability for the gyro compass or for other heading and motion reference units. It incorporates a single-axis FOG sensor, which is able to reduce heading drift errors to less than 5 degrees per hour.
An on-board processor manages the FOG sensor interface, mode selection, power supplies and water ingress sensing. The integral FOG sensor provides internal compensation for pitch and roll angles using data from the iCG and attitude sensors.
The unit uses magnetic heading and proprietary slaving algorithims to provide an output of stabilized heading with low drift rate, optimised for pitch and roll angles of up to 10 degrees.
The user can configure the data output telegram to emulate commonly used industry standard message formats.
Features
- Combines three angular rate gyros with three orthogonal accelerometers, three magnometers and a fibre optic gyro in a single 4000m housing
- Solid state - robust and reliable
- More accurate than a flux gate compass
- Low drift rate. Excellent stability, linearity, resolution and repeatability
- Multiple interface options
- Minimal maintenance costs
- State of the art display software
- User programmable output modes and filter parameters
- Simple serial interface, non volatile memory, inertially filtered system
Applications
- Replacement of high maintenance mechanical magnetically slaved gyro and flux gate compasses.
- Low cost inertially stabilised ROV / AUV heading sensor and Motion Reference Unit (MRU).
- Excellent heading and autopilot stability in the presence of fluctuating magnetic fields.
- Compatible with the Tritech ArcNet range of survey products.
Datasheet
The Tritech Intelligent Combi-Compass Datasheet is available to download in Adobe Acrobat PDF format.
Associated Products
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