Modeling a hydraulically powered flight control actuation system

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dc.contributor.author Iyaghigba, Samuel David
dc.contributor.author Petrunin, Ivan
dc.contributor.author Avdelidis, Nicholas P.
dc.date.accessioned 2024-03-01T16:26:08Z
dc.date.available 2024-03-01T16:26:08Z
dc.date.issued 2024-01-31
dc.identifier.citation Iyaghigba SD, Petrunin I, Avdelidis NP. (2024) Modeling a hydraulically powered flight control actuation system. Applied Sciences, Volume 14, Issue 3, January 2024, Article number 1206 en_UK
dc.identifier.uri https://doi.org/10.3390/app14031206
dc.identifier.uri https://dspace.lib.cranfield.ac.uk/handle/1826/20912
dc.description.abstract Many different types of aircraft designs have flight control systems (FCS) powered by hydraulic systems. With respect to the torques, moments, surface areas, and opposing forces to be acted upon, components introduce faults into the hydraulic system when these components are aging or degrading. The diagnostics of a hydraulically powered flight control actuation system (HPFCAS) rely on the faults produced within the subsystem components as well as the entire system’s mechanism itself. In this paper, a model for an HPFCAS is developed to analyze faults where the HPFCAS was approached as a system of systems (SOS). The identified faults were injected into the system. It is established that some of the faults from the different subsystems had similar characteristic effects and were propagated with attendant consequences. For instance, a measured decrease in the pressure value is observed because of the decrease in the pump speed. A similar characteristic is observed if there is leakage on the line or if there is a clogging valve. These form complex integrated responses in determining where the fault is coming from if only one component is analyzed since it involves components serving different subsystems. Results show that only models that can describe the real characteristics or attributes of the specific systems, due to their defined components, are sufficient for effective diagnostics. This is because the data obtained are more accurate at predicting the behavior of components. en_UK
dc.language.iso en en_UK
dc.publisher MDPI en_UK
dc.rights Attribution 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by/4.0/ *
dc.subject aircraft systems en_UK
dc.subject fault detection en_UK
dc.subject diagnostics en_UK
dc.subject classification en_UK
dc.subject algorithm en_UK
dc.subject flight control actuation system en_UK
dc.title Modeling a hydraulically powered flight control actuation system en_UK
dc.type Article en_UK
dcterms.dateAccepted 2024-01-26
dc.identifier.eissn 2076-3417


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