Unmanned vehicles require high-performance, robust flight control technology. The Athena 111m leverages the patented Rockwell Collins Feedback LTI'zation design technology to provide robust flight control algorithms applicable to a wide range of vehicles, including fixed-wing, ducted-fan and rotorcraft systems.

Offering you a lower unit cost to accommodate smaller unmanned systems, the integrated system of the Athena 111m performs three functions. First, it incorporates a sensor suite that provides a full attitude, navigation and air data solution for use in vehicle flight-state measurement and control. Second, it has an onboard processor that runs the algorithms necessary to provide this data and fully execute vehicle flight-control functions. Finally, it is equipped with a range of signal input/output capabilities that enable it to integrate with aircraft systems.

Key Features & Benefits
*Features GPS/INS navigation solution integrated with state-of-the art multi-input/multi-output flight control laws
*Provides control modes that include airspeed, altitude, climb rate, angle of attack, sideslip, 3-D auto navigation and auto takeoff/landing
*Uses highly reliable solid-state sensors, including accelerometers, rate gyros, magnetometer, air data pressure, AoA and sideslip sensors, along with a differential-ready, WAAS-enabled GPS receiver for a full INS/GPS navigation solution
*100 Hz INS/GPS solution providing full attitude, navigation and air data information.
*Includes power-up built-in test and continuous built-in test capabilities for residual data monitoring
*On-board wind estimate
*Dead reckoning
*Onboard data logging
*Ability to upgrade software in the field
*Ability to select the air data ranges when you purchase the unit
*Auto-magnetometer mount compensation
*Warm-boot/nonvolatile memory
*32 MB disk-on-chip (DOC) data storage

Performance

INS/GPS Performance:

Update Rate : 100Hz
Start-up Time: 10 seconds (initial attitude); 1 minute (full alignment)
Altitude Range: -304.8 m to 15,240 m (-1,000 ft to 50,000 ft)
Attitude Accuracy: 0.3 degrees (1 sigma)
Altitude Accuracy: 13.7 m (45 ft) at sea level, < 61 m (200 ft) at 12,192 m (40,000 ft) altitude
Lat/Long Position Accuracy: GPS C/A Code; differential-ready, WAAS enabled
GPS Antenna Power: 5V
Airspeed Accuracy: < 2 knots @ 40 knots, < 1 knot @ 60 knots
Max Airspeed: 120 knots standard/up to 650 knots optional
Angle of Attack Range: ? 0.139 rad at max airspeed (? 8 deg)
Angle of Sideslip Range: ? 0.139 rad at max airspeed (? 8 deg)

IMU Performance:
Maximum Angular Rates : ? 3.49 rad (? 200 deg/s)
Maximum g Range : ? 8 g

Attitude Heading Accuracy (1 Sigma) with GPS:
Pitch/Roll Accuracy : .0017 rad (0.1 deg)
Heading Accuracy : .0087 rad (0.5 deg)?

Extended GPS Outage (1 Sigma):
Pitch/Roll Accuracy : .0087 rad (0.5 deg)?
Heading Accuracy : .0174 rad (1 deg)?

Input/Output:
PWM Input: (10) channels
PWM Output : (10) channels
Discrete Inputs: (4)
Discrete Outputs : (5)
Serial Connections: RS-422 INS (baud: 115.2 kb/s)
Bus I/O: CAN bus (2); SPI bus

Position and Velocity Accuracies with GPS Aiding:
Horizontal velocity accuracy 2 : 0.1 m/sec rms in each direction
Vertical velocity accuracy 2: 0.15 m/sec rms
Horizontal position accuracy 2: 2.5 m CEP3 typical standalone; 2.0 m CEP typical with SBAS or local area DGPS 4
3D position accuracy 2: 5.0 m SEP5 typical standalone; 3.0 m SEP typical with SBAS or local area DGPS 4

1 Using an adequate external magnetic field measurement
2 When operating with GPS aiding (in modes 1, 2 or 5) from a C/A code receiver
3 CEP = Circular Error Probable; the radius of a horizontal circle, centered at the antenna?s true position, containing 50% of the fixes
4 Depends on the accuracy of the correction data of the DPGS or SBAS service
5 SEP = Spherical Error Probable; the radius of the sphere, centered at the true position, contains 50% of the fixes

Physical Specs
Size: 9.9 x 6.6 x 4.06 cm (3.9 x 2.6 x 1.6 in)
Weight: 249 grams (0.55 lb)
Enclosure: Aluminum
Power: 4.5 W (nominal) @ 9-18 VDC; 18-36 VDC optional

Power:
The 111m can be configured to operate over two ranges of input power. The standard configuration is designed to work in a 12 V power system and can operate at input voltages of 9 to 18 VDC. Optionally, the 111m can be configured to operate in a 28 V power system. In this configuration, the system can be operated over the range of 18 to 36 VDC. In either configuration, the power consumption of the 111m is 4.5 W.

Environmental:
Operating Temperature: -40 to 70 deg C
Non-Operating Temperature: -54 to 85 deg C
Operating Vibration/Shock: MIL-STD-810
Humidity: 95% RH non-condensing