Reconfigurable flight control via multiple model adaptive control methods

Authors

Peter S. Maybeck, Air Force Institute of Technology
Richard D. Stevens, Air Force Institute of Technology

Document Type

Article

Publication Date

5-1991

Abstract

An aircraft flight control system with reconfigurable capabilities is considered. A multiple model adaptive controller (MMAC) is shown to provide effective reconfigurability when subjected to single and double failures of sensors and/or actuators. A command generator tracker/proportional-plus-integral/Kalman filter (CGT/PI/KF) form of controller was chosen for each of the elemental controllers within the MMAC algorithm and each was designed via LQG synthesis to provide desirable vehicle behavior for a particular failure status of sensors and actuators. The MMAC performance is enhanced by an alternate computation of the MMAC hypothesis probabilities, use of maximum a posteriori probability (MAP) versus Bayesian form of the MAC (or a modified combination of both), and reduction of identification ambiguities through scalar residual monitoring for the case of sensor failures. Abstract © IEEE

Comments

Copyright © 1991, IEEE

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DOI

10.1109/7.81428

Source Publication

IEEE Transactions on Aerospace and Electronic Systems (ISSN 0018-9251)

Recommended Citation

P. S. Maybeck and R. D. Stevens, "Reconfigurable flight control via multiple model adaptive control methods," in IEEE Transactions on Aerospace and Electronic Systems, vol. 27, no. 3, pp. 470-480, May 1991, doi: 10.1109/7.81428.