Data-based detection and diagnosis of faults in linear actuators

Show simple item record Ruiz-Carcel, Cristobal Starr, Andrew 2018-08-07T11:34:59Z 2018-08-07T11:34:59Z 2018-03-27
dc.identifier.citation Cristobal 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, pp2035-2047 en_UK
dc.identifier.issn 0018-9456
dc.description.abstract Modern 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.language.iso en en_UK
dc.publisher IEEE en_UK
dc.rights Attribution-NonCommercial 4.0 International *
dc.rights.uri *
dc.subject Diagnosis en_UK
dc.subject electro-mechanical actuators (EMAs) en_UK
dc.subject fault detection en_UK
dc.subject linear actuator en_UK
dc.subject multivariate analysis en_UK
dc.title Data-based detection and diagnosis of faults in linear actuators en_UK
dc.type Article en_UK
dc.identifier.cris 19746806

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