An overview of recent advances in model-based event-triggered fault detection and estimation

Maiying Zhong, Xiaoqiang Zhu, Ting Xue and Lu Zhang

International Journal of Systems Science, 2023, vol. 54, issue 4, 929-943

Abstract: Event-triggered fault diagnosis has attracted tremendous research attention in the last decade due to its superiority in improving the utilisation efficiency of communication resources. Different from traditional works of time-driven, event-triggered schemes are used to determine whether the current measurement output should be released to the fault detection filter, while the sensor data not satisfying a predefined triggering condition will be discarded directly. As such, research on event-triggered fault diagnosis has been a challenging issue and many outstanding results have been reported. This paper presents a survey of model-based event-triggered fault detection (FD) and fault estimation (FE) methods mainly based on the techniques of residual generation. First, an overview of recent advances in state estimation-based methods of event-triggered FD is provided, which include the event-triggered FD for dynamic systems subject to Gaussian noises, the $ H_\infty $ H∞ filtering formulation of event-triggered FD, and the event-triggered $ H_i/H_\infty $ Hi/H∞ optimisation-based FD. Second, the representative results of parity space-based event-triggered FD are reviewed. Third, recent results on event-triggered FE are also reviewed. Finally, several challenging issues on event-triggered fault diagnosis are provided for future research.

Date: 2023
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DOI: 10.1080/00207721.2022.2146990

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