Data-based detection and diagnosis of faults in linear actuators

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dc.contributor.authorRuiz-Carcel, Cristobal
dc.contributor.authorStarr, Andrew
dc.date.accessioned2018-08-07T11:34:59Z
dc.date.available2018-08-07T11:34:59Z
dc.date.issued2018-03-27
dc.description.abstractModern industrial facilities, as well as vehicles and many other assets, are becoming highly automated and instrumented. As a consequence, actuators are required to perform a wide variety of tasks, often for linear motion. However, the use of tools to monitor the condition of linear actuators is not widely extended in industrial applications. This paper presents a data-based method to monitor linear electro-mechanical actuators. The proposed algorithm makes use of features extracted from electric current and position measurements, typically available from the controller, to detect and diagnose mechanical faults. The features are selected to characterize the system dynamics during transient and steady-state operation and are then combined to produce a condition indicator. The main advantage of this approach is the independence from a need for a physical model or additional sensors. The capabilities of the method are assessed using a novel experimental linear actuator test rig specially designed to recreate fault scenarios under different operating conditions.en_UK
dc.identifier.citationCristobal Ruiz-Carcel and Andrew Starr. Data-based detection and diagnosis of faults in linear actuators. IEEE Transactions on Instrumentation and Measurement, Volume 67, Issue 9, September 2018, pp2035-2047en_UK
dc.identifier.cris19746806
dc.identifier.issn0018-9456
dc.identifier.urihttps://doi.org/10.1109/TIM.2018.2814067
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/13386
dc.language.isoenen_UK
dc.publisherIEEEen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectDiagnosisen_UK
dc.subjectelectro-mechanical actuators (EMAs)en_UK
dc.subjectfault detectionen_UK
dc.subjectlinear actuatoren_UK
dc.subjectmultivariate analysisen_UK
dc.titleData-based detection and diagnosis of faults in linear actuatorsen_UK
dc.typeArticleen_UK

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