MEMS-based navigation device for unmanned systems
ProductMay 01, 2013
Alice Moss
Military Embedded Systems
The AHRS-8 navigation sensor from Sparton Corp. in De Leon Springs, FL, is small enough to fit into Unmanned Aerial Vehicle (UAV) payloads and to provide stability and navigation capability in environments with high levels of electromagnetic noise. It offers 3D magnetic field measurement a...
The AHRS-8 navigation sensor from Sparton Corp. in De Leon Springs, FL, is small enough to fit into Unmanned Aerial Vehicle (UAV) payloads and to provide stability and navigation capability in environments with high levels of electromagnetic noise. It offers 3D magnetic field measurement and 360 degree tilt-compensated heading, pitch, and roll information. The Micro Electro-Mechanical Systems (MEMS)-based attitude heading reference system provides in-sensor programmability via the NorthTek Development System, and integrates electromagnetic disturbance compensation for in-platform and transient disturbances.
The AHRS-8 uses AdaptNav II, which has adaptive algorithms to enable real-time optimization of navigation sensor performance in a variety of electromagnetic and dynamic operating environments. It has three-axis magnetic, three-axis acceleration, and three-axis gyro sensor technology. The device, which measures 1.66" by 1.11" by .43", has an operating range of -40 °C to +70 °C. It also has a user-selectable gyro and accelerometer dynamic range, power management capability via a sleep mode, and True North heading output via its built-in World Magnetic Model. It is pin-for-pin compatible with the Sparton DC-4 and GEDC-6 navigation devices.
