Failures mapping for aircraft electrical actuation system health management

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dc.contributor.authorWang, Chengwei
dc.contributor.authorFan, Ip-Shing
dc.contributor.authorKing, Stephen
dc.date.accessioned2022-07-25T12:04:15Z
dc.date.available2022-07-25T12:04:15Z
dc.date.issued2022-06-29
dc.description.abstractThis paper presents the different types of failure that may occur in flight control electrical actuation systems. Within an aircraft, actuation systems are essential to deliver physical actions. Large actuators operate the landing gears and small actuators adjust passenger seats. As developing, aircraft systems have become more electrical to reduce the weight and complexity of hydraulic circuits, which could improve fuel efficiency and lower NOx emissions. Electrical Actuation (EA) are one of those newly electrified systems. It can be categorized into two types, Electro-Hydraulic Actuation (EHA) and Electro-Mechanical Actuation (EMA) systems. Emerging electric and hydrogen fuel aircraft will rely on all-electric actuation. While electrical actuation seems simpler than hydraulic at the systems level, the subsystems and components are more varied and complex. The aim of the overall project is to develop a highly representative Digital Twin (DT) for predictive maintenance of electrical flight control systems. A comprehensive understanding of actuation system failure characteristics is fundamental for effective design and maintenance. This research focuses on the flight control systems including the ailerons, rudders, flaps, spoilers, and related systems. The study uses the Cranfield University Boeing 737 as the basis to elaborate the different types of actuators in the flight control system. The Aircraft Maintenance Manual (AMM) provides a baseline for current maintenance practices, effort, and costs. Equivalent EHA and EMA to replace the 737 systems are evaluated. In this paper, the components and their failure characteristics are elaborated in a matrix. The approach to model these characteristics in DT for aircraft flight control system health management is discussed. This paper contributes to the design, operation and support of aircraft systems.en_UK
dc.identifier.citationWang CW, Fan IS, King S. (2022) Failures mapping for aircraft electrical actuation system health management. In: 7th European Conference of the PHM Society (PHME 2022), 6-8 July 2022, Turin, Italyen_UK
dc.identifier.issn978-1-936263-36-3
dc.identifier.urihttps://doi.org/10.36001/phme.2022.v7i1.3354
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/18221
dc.language.isoenen_UK
dc.publisherPHM Societyen_UK
dc.rightsAttribution 3.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/*
dc.subjectPrognosticsen_UK
dc.subjectHealth Managementen_UK
dc.subjectPHM designen_UK
dc.subjectPHM methoden_UK
dc.subjectSensors and detectionen_UK
dc.titleFailures mapping for aircraft electrical actuation system health managementen_UK
dc.typeConference paperen_UK

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