Email this article An Interval Observer-Based Method to Diagnose Discrete-Time Systems
- Authors: Zhirabok A.N.1,2, Zuev A.V.1,2
-
Affiliations:
- Far Eastern Federal University
- Institute of Marine Technology Problems, Far Eastern Branch, Russian Academy of Sciences
- Issue: No 12 (2023)
- Pages: 133-145
- Section: Articles
- URL: https://journals.rcsi.science/0005-2310/article/view/233442
- DOI: https://doi.org/10.31857/S0005231023120115
- EDN: https://elibrary.ru/NGUJRY
- ID: 233442
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Abstract
This paper proposes a method for diagnosing linear dynamic systems described by discrete-time models with exogenous disturbances based on interval observers. Formulas are derived to construct an interval observer producing two values of the residual as follows: if zero is between these values, then the system has no faults to be detected by the observer. The case where zero does not belong to the interval between these values is qualified as the occurrence
of a fault. The theoretical results are illustrated by an example.
Keywords
About the authors
A. N. Zhirabok
Far Eastern Federal University; Institute of Marine Technology Problems, Far Eastern Branch, Russian Academy of Sciences
Email: zhirabok@mail.ru
Vladivostok, Russia; Vladivostok, Russia
A. V. Zuev
Far Eastern Federal University; Institute of Marine Technology Problems, Far Eastern Branch, Russian Academy of Sciences
Author for correspondence.
Email: alvzuev@yandex.com
Vladivostok, Russia; Vladivostok, Russia
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