Modeling a hydraulically powered flight control actuation system

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dc.contributor.authorIyaghigba, Samuel David
dc.contributor.authorPetrunin, Ivan
dc.contributor.authorAvdelidis, Nicholas P.
dc.date.accessioned2024-03-01T16:26:08Z
dc.date.available2024-03-01T16:26:08Z
dc.date.issued2024-01-31
dc.description.abstractMany 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.identifier.citationIyaghigba SD, Petrunin I, Avdelidis NP. (2024) Modeling a hydraulically powered flight control actuation system. Applied Sciences, Volume 14, Issue 3, January 2024, Article number 1206en_UK
dc.identifier.eissn2076-3417
dc.identifier.urihttps://doi.org/10.3390/app14031206
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/20912
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectaircraft systemsen_UK
dc.subjectfault detectionen_UK
dc.subjectdiagnosticsen_UK
dc.subjectclassificationen_UK
dc.subjectalgorithmen_UK
dc.subjectflight control actuation systemen_UK
dc.titleModeling a hydraulically powered flight control actuation systemen_UK
dc.typeArticleen_UK
dcterms.dateAccepted2024-01-26

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