Stability of Discrete Systems Controlled in the Presence of Intermittent Sensor Faults
This paper presents sufficient conditions for stability of unstable discrete time invariant models, stabilized by state feedback, when interrupted observations due to intermittent sensor faults occur. It is shown that the closed-loop system with feedback through a reconstructed signal, when, at le...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2008-01-01
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| Series: | Journal of Control Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2008/523749 |
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| Summary: | This paper presents sufficient conditions for stability of unstable discrete time
invariant models, stabilized by state feedback, when interrupted observations due to
intermittent sensor faults occur. It is shown that the closed-loop system with
feedback through a reconstructed signal, when, at least, one of the sensors is unavailable,
remains stable, provided that the intervals of unavailability satisfy a certain time
bound, even in the presence of state vanishing perturbations. The result is first
proved for linear systems and then extended to a class of Hammerstein systems. |
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| ISSN: | 1687-5249 1687-5257 |