Journal article

Fault-Tolerant Control Based on Virtual Actuator and Sensor for Discrete-Time Descriptor Systems

Ye Wang, Damiano Rotondo, Vicenc Puig, Gabriela Cembrano

IEEE Transactions on Circuits and Systems I: Regular Papers | Institute of Electrical and Electronics Engineers (IEEE) | Published : 2020


This article proposes a fault-tolerant control (FTC) strategy based on virtual actuator and sensor for discrete-time descriptor systems subject to actuator and sensor faults. The fault-tolerant closed-loop system, which includes the nominal controller and observer, as well as the virtual actuator and the virtual sensor, hides the effects of faults. When an observer-based state-feedback law is considered, the existence of algebraic loop may prevent the practical implementation due to the current algebraic states depending on the current control input, that affects also the implementation of the virtual actuator/sensor. To deal with this issue, an observer-based delayed feedback controller and..

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Awarded by Fundamental Research Funds for the Central University

Awarded by European Regional Development Fund (ERFD) through project SCAV

Awarded by DGR of Generalitat de Catalunya (SAC group)

Awarded by SMART Project (Interreg Cooperation Program POCTEFA 2014-2020)

Funding Acknowledgements

This work was supported by the Fundamental Research Funds for the Central University under Grant 3072020CFJ040. This work was also partially funded by the Spanish State Research Agency (AEI) and the European Regional Development Fund (ERFD) through the project SCAV (ref. MINECO DPI2017-88403-R), by the DGR of Generalitat de Catalunya (SAC group ref. 2017/SGR/482) and by SMART Project (ref. num. EFA153/16 Interreg Cooperation Program POCTEFA 2014-2020). This article was recommended by Associate Editor A. James.