Horizon, the New FOG IMU to Complete the Navsight Marine Solution

March 13, 2019

SBG Systems releases at the U.S. Hydro Conference, the Horizon IMU, a FOG-based high performance inertial measurement unit (IMU) designed for large hydrographic vessels surveying harsh environments.

Navsight Marine Solution consists in a powerful and ready-to-use inertial navigation solution dedicated to hydrographers. It is available at different levels of accuracy to meet the various application requirements and can be connected to various external equipment such as Echo-sounders, LiDAR, etc.

Horizon FOG IMU Added to the Product Line

Navsight Marine Solution already offered two levels of performance with the Ekinox and Apogee IMUs. These MEMS-based IMUs address most of hydrographics markets whether shallow or deep water. The new Horizon IMU allows our customer to bring the Navsight technology to the most demanding environments such as surveying highly dense areas (bridges, buildings, etc) as well as applications where only a single antenna can be used. Horizon IMU is based on a closed-loop FOG technology which enables ultra-low bias and noise levels. This technology allows robust and consistent performance even in low dynamics survey.

Horizon IMU completes the Navsight Marine Solution
Horizon IMU completes the Navsight Marine Solution

Extreme Simplicity, Easy-Peasy Installation

Navsight solution is easy to install, as the sensor alignment and lever arms are automatically estimated and validated. Once connected to the Navsight processing unit, the web interface guides the user to configure the solution. A 3D view of the vessel shows the entered parameters so that the user can check the installation. The Navsight unit also integrates led indicators for satellite availability, RTK corrections, and power. It comes with a rugged enclosure, or in a rack version for larger vessels.

Ekinox web interface
3D view web interface

The Fastest INS/GNSS Post-Processing

Completing the Navsight offer, Qinertia, the SBG post-processing software, gives access to offline RTK corrections from more than 7,000 base stations located in 164 countries. Trajectory and orientation are then greatly improved by processing inertial data and raw GNSS observables in forward and backward directions. Computation takes less than 3 minutes for a 6-hour log thanks to the Forward and Backward calculation processed at the same time.

qinertia post-processing software
Qinertia post-processing software

 

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