Event-triggered-based fault detection filter design for discrete-time networked singular systems

Kezhen He, Qiyi Xu, Kangxin Sun and Baichao Song

International Journal of Systems Science, 2026, vol. 57, issue 2, 401-413

Abstract: This paper studies the issue of event-triggered fault detection filtering for a category of discrete-time networked singular systems (DNSSs). The output signal from the plant to the fault detection filter (FDF) is assumed to be transmitted through the network channel. This study is dedicated to the design of an FDF that ensures the residual system is admissible and fulfils some expected $ {H}_\infty $ H∞ performances. To diminish the volume of data transmitted over the limited bandwidth communication channel, an event-triggered scheme (ETS) is introduced. A networked FDF is constructed considering the network-induced delays, and a singular time-delay residual augmented system (STDRAS) is derived. By employing Lyapunov stability theory, several new criteria are established as linear matrix inequalities (LMIs), ensuring the admissibility of STDRAS and satisfying the expected $ {H}_\infty $ H∞ performance. Sufficient conditions are obtained for the existence of FDF and ETS. Finally, two examples are given to showcase the effectiveness of the proposed method.

Date: 2026
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DOI: 10.1080/00207721.2025.2504054

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