NDLI: Fault tolerant control for unstable systems: a linear time varying approach

Content Provider	IEEE Xplore Digital Library
Author	Stoustrup, J. Niemann, H.
Copyright Year	2004
Description	Author affiliation: Dept. of Control Eng., Aalborg Univ., Denmark (Stoustrup, J.)
Abstract	In (passive) fault tolerant control design, the objective is to find a fixed compensator, which maintains a suitable performance - or at least stability - in the event that a fault should occur. A major theoretical obstacle to obtain this objective, is that even if the system models corresponding to the occurrence of various faults are simultaneously stabilizable by a linear, time-invariant compensator, this compensator might have to be of a very high order, as shown in a recent publication. In this paper, we propose a design procedure for a time-varying compensator, which overcomes the obstacle for any finite number of faults with a controller order of no more than the plant order. The performance of this compensator might be poor, but a heuristic procedure for improving the performance is also shown, and an example demonstrates that this improvement can be truly significant.
Sponsorship	American Automatic Control Council IFAC
Starting Page	1794
Ending Page	1798
File Size	326901
Page Count	5
File Format	PDF
ISBN	0780383354
ISSN	07431619
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Fault tolerant systems Control systems Time varying systems Fault tolerance Fault detection Stability Reliability theory Sensor systems Control engineering World Wide Web
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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