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Fault Detection of a Networked Control System and Its Application to a DC Motor
Reda El Abbadi,Hicham Jamouli 제어·로봇·시스템학회 2023 International Journal of Control, Automation, and Vol.21 No.6
In this paper, the fault detection problem of a networked control system (NCS) is studied in a cloud environment. Packet dropout and time delay in the wireless network are considered, which they are modelled as a time-homogeneous Markov process. Besides the network problems mentioned previously, an abrupt fault has been applied to the system actuator. Based on this, a fault detection filter is constructed. Sufficient conditions are given in the form of linear matrix inequality (LMI). The obtained LMI has more advantages than others existing in the literature which make the filter detects the fault in less time. Finally, a comparative study is provided to show the efficiency of the proposed approach. Also, the approach has been applied to a DC motor to validate the results.