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Enhanced Observer Strategies for Actuator Fault Detection in Hydraulic Systems: A Comparative Study

Year: 2025

Type: article

Abstract: The goal of this paper is to optimize fault detection for complex systems using observer-based techniques, with an application to actuator faults in the presence of unknown inputs like noise and modeling errors. We compare the classical Leuenberger observer with a robust observer having perfect decoupling. The results show that the robust observer significantly improves fault detection and localization even under noisy conditions. Both methods are validated on hydraulic processes in order to prove the robustness and reliability of the proposed approach.

Source: DOAJ (DOAJ: Directory of Open Access Journals)

Authors: MOULELOUED Youssouf, TAHRAOUI Souaad, HOUARI Habiba, BOUZEKRI Brahim

Institutions: University of Blida, Hassiba Benbouali University of Chlef, École Nationale Polytechnique d'Oran

Language: English

Topic: Fault Detection and Control Systems

Subfield: Control and Systems Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7106477909

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