AX1-ATU is an attitude sensor based on MEMS technology that combines linear accelerometers and rotational rate sensors to elaborate the inertial measurements, It then combines them with both magnetic measurements and GPS data, coming from the other system components (AX1-MSU and AX1-GPS) to basically implement both a GPS Navigation and GPS-Aided Attitude & Heading Reference system. The AX1-ATU is the only interface to the aircraft systems. It provides digital outputs and can be used with advanced flight digital instruments.

AX1-MSU is a remote magnetic sensing unit used to perform heading sensing by evaluating the direction in the local level frame of the Earth Magnetic Field vector.

AX1-GPS is a GPS module receiver integrated with above components. It is based on a OEM 12 channel WASS/EGNOS Receiver with integrated high gain antenna, enclosed in a rugged aluminium case.

Axitude AX1-GNS units employ onboard digital processing to compensate for deterministic error sources within the unit and to compute attitude information.

The AX1-GNS uses angular rate sensors and linear acceleration sensors that are micro-machined devices. Solid-state MEMS sensors make the AX1-GNS both responsive and reliable.

The AX1-GNS product belongs to the Axitude AX1-[] series of products.

The AX1-[ ] Series of products utilize Kalman filter algorithms to allow the unit to track orientation accurately through dynamic maneuvers. The Kalman filter will automatically adjust for changing dynamic conditions without any external user input. No user intervention or configuration is required at power-up. Best performances are provided when GPS aiding is available. The AX1-[ ] family has been qualified to meet the minimum requirements standards as:

ETSO NUMBER: ETSO-C4c, ETSO-C6d

SOFTWARE: ED-12B/DO-178B Level B

COMPLEX HARDWARE : ED-80/DO-254 Level B

ENVIRONMENTAL ED-14E/DO-160E

Download the AX1-GNS technical features and brochure

Watch AX1-GNS Flight Test video 

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