Inertial Navigation Systems, INS/GPS, AHRS, and IMU Sensors for Unmanned Systems

SBG Systems INS Integrated with UAV SATCOM Terminal

By Mike Ball / 11 Feb 2021

SBG Systems 3rd gen Ellipse Series inertial sensorsSBG Systems’ Ellipse-D GNSS-aided INS (inertial navigation system) has been integrated with Cobham’s Aviator UAV 200 terminal and compatibility between the two systems has been successfully tested.

Many modern drones are capable of flying beyond radio range at distances of several hundred kilometres, and a SATCOM terminal such as the Aviator UAV 200 is essential for seamless communications capabilities in the event that ground infrastructure cannot provide a continuous VHF link with the UAV.

The Ellipse-D is a dual-antenna GNSS-aided INS that provides the inertial data required for the SATCOM terminal’s self-pointing phased array antenna to orient itself. The Ellipse-D’s inertial measurement unit (IMU) provides high-accuracy roll, pitch, position and heading data, and the system’s dual antennas ensure that the data is not affected by magnetic disturbances.

The combined units were tested by being installed on the roof of a truck, with the INS outputs being sent in real time to a PC as well as to the SATCOM terminal. The test results indicated that whenever the truck was moving, accelerating, or changing course, the antenna beam constantly followed the satellite, with a stable link.

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Posted by Mike Ball Mike Ball is our resident technical editor here at Unmanned Systems Technology. Combining his passion for teaching, advanced engineering and all things unmanned, Mike keeps a watchful eye over everything related to the unmanned technical sector. With over 10 years’ experience in the unmanned field and a degree in engineering, Mike’s been heading up our technical team here for the last 8 years. Connect & Contact