NDLI: Failure sensitivity and robustness in reconfigurable flight control systems

Content Provider	IEEE Xplore Digital Library
Author	Wu, N.E. Tijian Chen
Copyright Year	1994
Description	Author affiliation: Binghamton Univ., NY, USA (Wu, N.E.; Tijian Chen)
Abstract	This paper is concerned with the design of reconfigurable flight control systems furnished with aerodynamic redundancy. Our focus is directed towards dealing with the aircraft surface impairment such as locked, float, or missing surfaces. We propose a control design criterion that facilitates the detection of failures without compromising the required performance robustness. Details are carried out for the design of the pitch axis controller of an experimental highly maneuverable aircraft, where redundancy in the control authority is provided by both the elevens and the canards. The goal is to explain our design procedure and to demonstrate enhanced overall system fault tolerance. The design effort is focused on the selection of controllers that can differentiate their effects on failures that require a control reconfiguration from the effects on other uncertainties that do not require a control reconfiguration. The key idea for achieving such differentiation is to examine the FDI (failure detection and isolation) performance index of controllers from a parameterized set that attains a certain control performance index. The scenario with a loss of surface effectiveness is simulated for the aircraft model. The deviation in the control law designed variance of the residual signal is shown to be most neglected in the processe of failures.<>
Starting Page	548
Ending Page	555
File Size	713246
Page Count	8
File Format	PDF
ISBN	0780318935
DOI	10.1109/NAECON.1994.332857
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-05-23
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robust control Aerospace control Aircraft Redundancy Performance analysis Aerodynamics Control design Fault tolerant systems Uncertainty Fault detection
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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