2022
DOI: 10.1049/elp2.12225
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A review of fault diagnosis, prognosis and health management for aircraft electromechanical actuators

Abstract: As More/All Electric Aircraft gradually become a research hotspot, electromechanical actuators (EMAs), which can directly convert electrical energy into mechanical energy, have gained more and more attention. However, since the reliability of EMA cannot meet the requirements of actual aircrafts, the practical application of EMA is severely limited. Therefore, fault diagnosis, prognosis and health management (DPHM), which can realise condition‐based maintenance (CBM), has become the key technology in the applic… Show more

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Cited by 30 publications
(8 citation statements)
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“…Accuracy of electro-mechanical or hydraulic actuators is easily deteriorated in complex flight environment such as electromagnetic interference, low temperature or leakage. In this situation, a fault-tolerant control is expected to accommodate actuator deviation within a certain range [1]. Research works of dealing with actuator failure are presented in a variety of ways, for instance, the model prediction control [2], multi-variable integral terminal sliding mode control [3], incremental nonlinear FTC [4], and intelligent methods [5,6].…”
Section: Introductionmentioning
confidence: 99%
“…Accuracy of electro-mechanical or hydraulic actuators is easily deteriorated in complex flight environment such as electromagnetic interference, low temperature or leakage. In this situation, a fault-tolerant control is expected to accommodate actuator deviation within a certain range [1]. Research works of dealing with actuator failure are presented in a variety of ways, for instance, the model prediction control [2], multi-variable integral terminal sliding mode control [3], incremental nonlinear FTC [4], and intelligent methods [5,6].…”
Section: Introductionmentioning
confidence: 99%
“…The wear of the ball-screw leads to increased axial internal clearance of the actuator [27,28]. Isturiz et al [29] used current and position signals as monitoring indicators for measuring clearance increase.…”
Section: Introductionmentioning
confidence: 99%
“…However, there are certain drawbacks related to electromechanical devices use (Yin et al 2022). For starters, their power density is substantially lower if compared to hydraulic systems.…”
Section: Introductionmentioning
confidence: 99%
“…As a result, as Cronin (2012) discusses, maintenance interventions on EMAs are significantly easier.Moreover, a great advantage of EMAs is their adaptability to small and low power applications: for example, they are widely used for flight controls on small UAVs, with some actuators weighing only a few grammes. Hydraulic systems cannot satisfy these so strict requirements in terms of miniaturisation.However, there are certain drawbacks related to electromechanical devices use(Yin et al 2022). For starters, their power density is substantially lower if compared to hydraulic systems.…”
mentioning
confidence: 99%