Damage Adaptation Using Integrated Structural, Propulsion, and Aerodynamic Control

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$99,998.00
Award Year:
2007
Program:
SBIR
Phase:
Phase I
Contract:
NNL07AA64P
Award Id:
83879
Agency Tracking Number:
066011
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1410 Sachem Place, Suite 202, Charlottesville, VA, 22901
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
120839477
Principal Investigator:
David Ward
Principal Investigator
(434) 973-1215
barron@bainet.com
Business Contact:
Connie Hoover
Business Official
(434) 973-1215
hoover@bainet.com
Research Institution:
n/a
Abstract
The proposed SBIR Phase I plan of research seeks to develop and demonstrate an integrated architecture designed to compensate for combined propulsion, airframe, effector, and structural damage caused by catastrophic system failure or an intentionally hostile act. Whereas prior damage-adaptive control work focused on reconfiguring from unforeseen aerodynamic changes (e.g., effector or airframe damage), the proposed damage-adaptive control approach also accounts for the current health of the propulsion systems and key structural elements. The integrated controller merges available system identification and diagnostic information to compute a new "safe" operating envelope for the vehicle that accounts for identified changes in structural integrity/dynamics. Once this envelope is computed, the controller then proceeds to compute (1) an achievable flight path for landing the aircraft, and (2) a set of inceptor (or effector) and propulsion commands that will track the computed achievable reference trajectory in a decoupled way ? all the while assuring that, if physically possible, the aircraft will not excite dangerous structural modes or create structural loads that would risk further damage. The research will also investigate advisory and retrofit implementations of the proposed approach that will enable early V&V and implementation.

* information listed above is at the time of submission.

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