Precision Attitude Sensing on Aerostats (PASA)

Award Information
Agency:
Department of Defense
Branch
Missile Defense Agency
Amount:
$750,000.00
Award Year:
2003
Program:
SBIR
Phase:
Phase II
Contract:
DASG6003C0070
Award Id:
59019
Agency Tracking Number:
02-0458
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1500 Pumphrey Ave., Auburn, AL, 36832
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
844905208
Principal Investigator:
VictorTrent
Senior Research Engineer
(334) 826-8008
victor@archangel.com
Business Contact:
KittyGreene
President
(334) 826-8008
kitty@archangel.com
Research Institute:
n/a
Abstract
Archangel's Air Data Attitude Heading Reference System (ADAHRS) is a solid-state unit that integrates low-cost piezoelectric MEMS gyros and accelerometers, as well as pitot and static sensing devices and a magnetometer with a local processor. Accuraciesto 1 degree RMS have been demonstrated in aircraft test flights. Long term stability of the ADAHRS has been demonstrated to be better than 1 degree hr/yr. The gyro sensors used in the construction of the original ADAHRS were low cost without reproduciblethermal profiles. All drift in the ADAHRS is therefore estimated on line using a proprietary technique called FLASP (Fuzzy Logic Adaptive Signal Processing). By replacing the existing gyro sensors with the new sensors and modifying the FLASP algorithm,the RMS attitude errors can be significantly reduced.Following this approach and using proprietary shock isolation, an IMU of inertial quality can be produced with MEMS devices in a 1

* information listed above is at the time of submission.

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