Integrated Reconfigurable Aero-Propulsion (IRAP) Control for Improved Fault Tolerance

Paper #:
  • 2013-01-2255

Published:
  • 2013-09-17
DOI:
  • 10.4271/2013-01-2255
Citation:
Boskovic, J., Jackson, J., and Mehra, R., "Integrated Reconfigurable Aero-Propulsion (IRAP) Control for Improved Fault Tolerance," SAE Technical Paper 2013-01-2255, 2013, doi:10.4271/2013-01-2255.
Pages:
10
Abstract:
In this paper we present results of a study of an integrated aero-propulsion flight control system. The resulting problem is that of controlling the system in which actuators operate on different time scales. This is a difficult problem since the control strategy needs to balance between not using the slow actuator at all, and slowing down the overall system to the time scale of the slow actuator. In the case of aero-propulsion control design for F/A-18 aircraft, the part of the control derivative matrix associated with engines is not full rank so not all states of interest can be simultaneously forced to track the commands. A control strategy that takes this constraint into account has been developed. The proposed IRAP approach is illustrated through simulation of F/A-18 aircraft dynamics under flight-critical control effector failures.
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