Sensor Degradation Detection in Switched Systems

In this paper, we propose a new sensor error anticipation method applied to switched systems. Once a small performance degradation is detected, the concerned sensor is identified before getting errors. Hybrid bond graph is employed to model the system by taking into account the continuous and discre...

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Bibliographic Details
Published in:Journal of machinery manufacture and reliability 2023-06, Vol.52 (3), p.246-255
Main Authors: Abboudi, A., Belmajdoub, F.
Format: Article
Language:English
Subjects:
Control charts
Engineering
Machines
Manufacturing
Performance degradation
Processes
Reliability
Strength
System reliability
Wear Resistance of Machines and Structures
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Summary:In this paper, we propose a new sensor error anticipation method applied to switched systems. Once a small performance degradation is detected, the concerned sensor is identified before getting errors. Hybrid bond graph is employed to model the system by taking into account the continuous and discrete parts of the switching system. After modeling, observers are used to estimate the system’s parameters, and their outputs serve as inputs for the control charts, which aim to detect abnormal fluctuations and warn about sensor degradation. The proposed approach improves the system reliability and avoid errors that can causes delays in industrial production systems.
ISSN:1052-6188
1934-9394
DOI:10.3103/S1052618823030020