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Design considerations of fault-tolerant electromechanical actuator systems for more electric aircraft (MEA)

Zhu, Shaohong; Cox, Tom; Xu, Zeyuan; Gerada, Chris; Li, Chen

Authors

Shaohong Zhu

ZEYUAN XU zeyuan.xu@nottingham.ac.uk
Senior Research Fellow - Thermofluids Research Group

Chen Li



Abstract

This paper studies the concerns such as architecture and reliability in the deployment of electromechanical actuator (EMA) in the actuation system for more electric aircraft (MEA). First, the reliability of the actuation system architecture such as control surface redundancy and actuator redundancy will be studied to determine an appropriate actuator architecture, with or without considering jamming. Then, the considerations for fault-tolerance and redundancy of the prime electric motor will be discussed in terms of reliability, weight, control complexity, and cost based on a direct-drive EMA designed for MEA. The comparison results demonstrate the configuration of two anti-jamming EMAs with dual three-phase drives connected in parallel can meet the requirements of the safety-critical actuation applications, promoting the deployment of fully electric actuation system on the MEA. Finally, a fault-tolerant motor with double 3-phase system designed for EMA will be presented, with performance under normal and fault conditions validated.

Start Date Sep 23, 2018
Publication Date Sep 25, 2018
Publisher Institute of Electrical and Electronics Engineers
APA6 Citation Zhu, S., Cox, T., Xu, Z., Gerada, C., & Li, C. (2018). Design considerations of fault-tolerant electromechanical actuator systems for more electric aircraft (MEA). doi:10.1109/ecce.2018.8557426
DOI https://doi.org/10.1109/ecce.2018.8557426
Keywords Electromechanical actuator (EMA); Failure probability; Fault-tolerant; Jamming; More electric aircraft (MEA)
Publisher URL https://ieeexplore.ieee.org/document/8557426
Additional Information © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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