Design of a five-phase brushless DC motor for a safety critical aerospace application

Xiaoyan Huang; Andrew Goodman; Chris Gerada; Youtong Fang; Qinfen Lu

doi:10.1109/TIE.2011.2172170

Design of a five-phase brushless DC motor for a safety critical aerospace application

Xiaoyan Huang, Andrew Goodman, Chris Gerada, Youtong Fang, Qinfen Lu

Research output: Journal Publication › Article › peer-review

116 Citations (Scopus)

Abstract

This paper describes a five-phase brushless dc (BLDC) motor designed for an electrohydrostatic actuation system (EHA) suited to the thin and optimized wings. The foundation of the design is a motor with fault tolerance and high reliability, compact structure, and low weight. The motor power rating is 12 kW at 12000 rpm, and a wet form of construction is used where hydraulic oil is present in the motor to reduce the number of oil seals of the EHA for enhanced reliability and lifetime. The losses and thermal behavior are evaluated for an optimized design. Fault tolerance for BLDC motors is discussed. A five-phase motor has been manufactured, and test results are presented to validate the design.

Original language	English
Article number	6095347
Pages (from-to)	3532-3541
Number of pages	10
Journal	IEEE Transactions on Industrial Electronics
Volume	59
Issue number	9
DOIs	https://doi.org/10.1109/TIE.2011.2172170
Publication status	Published - Sept 2012
Externally published	Yes

Keywords

Brushless dc (BLDC) motor
electrohydrostatic actuation system (EHA)
fault tolerant

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering

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10.1109/TIE.2011.2172170

Cite this

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title = "Design of a five-phase brushless DC motor for a safety critical aerospace application",

abstract = "This paper describes a five-phase brushless dc (BLDC) motor designed for an electrohydrostatic actuation system (EHA) suited to the thin and optimized wings. The foundation of the design is a motor with fault tolerance and high reliability, compact structure, and low weight. The motor power rating is 12 kW at 12000 rpm, and a wet form of construction is used where hydraulic oil is present in the motor to reduce the number of oil seals of the EHA for enhanced reliability and lifetime. The losses and thermal behavior are evaluated for an optimized design. Fault tolerance for BLDC motors is discussed. A five-phase motor has been manufactured, and test results are presented to validate the design.",

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author = "Xiaoyan Huang and Andrew Goodman and Chris Gerada and Youtong Fang and Qinfen Lu",

note = "Funding Information: Manuscript received November 3, 2010; revised April 9, 2011 and June 30, 2011; accepted September 23, 2011. Date of publication December 5, 2011; date of current version April 13, 2012. This work was supported in part by the U.K. Government under the DTI CARAD programme and by the National Natural Science Foundation of China under Grant 51007078.",

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doi = "10.1109/TIE.2011.2172170",

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AU - Gerada, Chris

AU - Fang, Youtong

AU - Lu, Qinfen

N1 - Funding Information: Manuscript received November 3, 2010; revised April 9, 2011 and June 30, 2011; accepted September 23, 2011. Date of publication December 5, 2011; date of current version April 13, 2012. This work was supported in part by the U.K. Government under the DTI CARAD programme and by the National Natural Science Foundation of China under Grant 51007078.

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N2 - This paper describes a five-phase brushless dc (BLDC) motor designed for an electrohydrostatic actuation system (EHA) suited to the thin and optimized wings. The foundation of the design is a motor with fault tolerance and high reliability, compact structure, and low weight. The motor power rating is 12 kW at 12000 rpm, and a wet form of construction is used where hydraulic oil is present in the motor to reduce the number of oil seals of the EHA for enhanced reliability and lifetime. The losses and thermal behavior are evaluated for an optimized design. Fault tolerance for BLDC motors is discussed. A five-phase motor has been manufactured, and test results are presented to validate the design.

AB - This paper describes a five-phase brushless dc (BLDC) motor designed for an electrohydrostatic actuation system (EHA) suited to the thin and optimized wings. The foundation of the design is a motor with fault tolerance and high reliability, compact structure, and low weight. The motor power rating is 12 kW at 12000 rpm, and a wet form of construction is used where hydraulic oil is present in the motor to reduce the number of oil seals of the EHA for enhanced reliability and lifetime. The losses and thermal behavior are evaluated for an optimized design. Fault tolerance for BLDC motors is discussed. A five-phase motor has been manufactured, and test results are presented to validate the design.

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Design of a five-phase brushless DC motor for a safety critical aerospace application

Abstract

Keywords

ASJC Scopus subject areas

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