Defense small-vehicle navigation system designed for export – GPS World magazine

Photo: Etion Create

Photo: Etion Create

A new military vehicle navigation system designed and developed by South Africa-based Etion Create is ready for the local and export markets.

Designed for harsh environments and battlefield conditions, the CheetahNAV provides outstanding situational awareness, according to Etion Create. The crew of a light military vehicle can count on highly accurate position information, irrespective of whether they are denied satellite navigation. This is achieved through an advanced inertial measurement system (IMS), comprising several aids, including a gyro-compensated compass and an advanced Kalman filter-based algorithm.

A brochure on CheetahNAV is available here.

“We are confident that the system provides dead-reckoning horizontal position accuracy of 0.2% of distance travelled in a GNSS denied situation,” said Jan Hurter, senior product manager. “This translates, by way of example, to accuracy of just 200 metres over a distance of 100 kilometers.”

The CheetahNAV can integrate with any number of different inertial navigation systems (INS) and can be aligned with any of the satellite navigation constellations. Combined with GNSS and compass information, the system enables dead-reckoning and accurate positioning of the vehicle in tactical situations. The tactical grade integral inertial measurement unit (IMU) ensures jamming-free operation.

Some of the guidance cues the system provides to the crew during tactical maneuvers include the vehicle’s current position, true heading and desired heading towards the next waypoint, current speed and desired speed to reach the next waypoint or destination