Abstract
We consider the problem of fault identification in nonlinear technical systems described by dynamic models and in their sensors in the presence of disturbances. A method based on sliding mode observers is used to solve the problem. A modification of this method is proposed which permits one to expand the family of systems for which the identification problem can be solved by weakening the constraints imposed on the original system. This modification has made it possible to reduce the complexity of diagnostic tools. The results are illustrated by practical examples.
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This work was supported by the Russian Foundation for Basic Research, projects nos. 22-19-00028 (method of sliding mode observers design) and 22-29-01303 (synthesis of sliding mode observers).
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Translated by V. Potapchouck
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Zhirabok, A.N., Zuev, A.V., Sergiyenko, O. et al. Identification of Faults in Nonlinear Dynamical Systems and Their Sensors Based on Sliding Mode Observers. Autom Remote Control 83, 214–236 (2022). https://doi.org/10.1134/S0005117922020059
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DOI: https://doi.org/10.1134/S0005117922020059