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Damage Adaptation Using Integrated Structural, Propulsion, and Aerodynamic Control

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNL07AA64P
Agency Tracking Number: 066011
Amount: $99,998.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: A1.02
Solicitation Number: N/A
Timeline
Solicitation Year: 2006
Award Year: 2007
Award Start Date (Proposal Award Date): 2007-01-19
Award End Date (Contract End Date): 2007-07-23
Small Business Information
1410 Sachem Place, Suite 202
Charlottesville, VA 22901-0807
United States
DUNS: 120839477
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 David Ward
 Principal Investigator
 (434) 973-1215
 barron@bainet.com
Business Contact
 Connie Hoover
Title: Business Official
Phone: (434) 973-1215
Email: 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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