Analysis and Application of Discrete Halbach Magnet Array with Unequal Arc Lengths and Unequally Changed Magnetization Directions

Hailin Huang; Libing Jing; Ronghai Qu; Dawei Li

doi:10.1109/TASC.2017.2785399

Analysis and Application of Discrete Halbach Magnet Array with Unequal Arc Lengths and Unequally Changed Magnetization Directions

Hailin Huang, Libing Jing, Ronghai Qu, Dawei Li

Research output: Journal Publication › Article › peer-review

30 Citations (Scopus)

Abstract

This paper presents a general process to analyze and optimize the performance for an arbitrary discrete Halbach magnet array which is 'unnormal' on magnetization direction and arc length of each segment. Besides the original type, a new arrangement of Halbach array is proposed, which does not have main PM segments. Two-dimensional field analytical models for predicting the air-gap field distribution of both arrangements are offered and validated by an FEA method. Then, a multi-objective optimizer was applied for different requirements, and comparison between normal and optimized 3-segment Halbach array is given to verify the effect of optimization. At last, some potential applications and follow-up study are discussed.

Original language	English
Article number	8231175
Journal	IEEE Transactions on Applied Superconductivity
Volume	28
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2017.2785399
Publication status	Published - Apr 2018
Externally published	Yes

Keywords

Analytical model
Halbach PM array
magnetic fields
optimization algorithm

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2017.2785399

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title = "Analysis and Application of Discrete Halbach Magnet Array with Unequal Arc Lengths and Unequally Changed Magnetization Directions",

abstract = "This paper presents a general process to analyze and optimize the performance for an arbitrary discrete Halbach magnet array which is 'unnormal' on magnetization direction and arc length of each segment. Besides the original type, a new arrangement of Halbach array is proposed, which does not have main PM segments. Two-dimensional field analytical models for predicting the air-gap field distribution of both arrangements are offered and validated by an FEA method. Then, a multi-objective optimizer was applied for different requirements, and comparison between normal and optimized 3-segment Halbach array is given to verify the effect of optimization. At last, some potential applications and follow-up study are discussed.",

keywords = "Analytical model, Halbach PM array, magnetic fields, optimization algorithm",

author = "Hailin Huang and Libing Jing and Ronghai Qu and Dawei Li",

note = "Publisher Copyright: {\textcopyright} 2017 IEEE.",

year = "2018",

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AU - Huang, Hailin

AU - Jing, Libing

AU - Qu, Ronghai

AU - Li, Dawei

PY - 2018/4

Y1 - 2018/4

N2 - This paper presents a general process to analyze and optimize the performance for an arbitrary discrete Halbach magnet array which is 'unnormal' on magnetization direction and arc length of each segment. Besides the original type, a new arrangement of Halbach array is proposed, which does not have main PM segments. Two-dimensional field analytical models for predicting the air-gap field distribution of both arrangements are offered and validated by an FEA method. Then, a multi-objective optimizer was applied for different requirements, and comparison between normal and optimized 3-segment Halbach array is given to verify the effect of optimization. At last, some potential applications and follow-up study are discussed.

AB - This paper presents a general process to analyze and optimize the performance for an arbitrary discrete Halbach magnet array which is 'unnormal' on magnetization direction and arc length of each segment. Besides the original type, a new arrangement of Halbach array is proposed, which does not have main PM segments. Two-dimensional field analytical models for predicting the air-gap field distribution of both arrangements are offered and validated by an FEA method. Then, a multi-objective optimizer was applied for different requirements, and comparison between normal and optimized 3-segment Halbach array is given to verify the effect of optimization. At last, some potential applications and follow-up study are discussed.

KW - Analytical model

KW - Halbach PM array

KW - magnetic fields

KW - optimization algorithm

UR - https://www.scopus.com/pages/publications/85040034597

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DO - 10.1109/TASC.2017.2785399

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SN - 1051-8223

VL - 28

JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

IS - 3

M1 - 8231175

ER -

Analysis and Application of Discrete Halbach Magnet Array with Unequal Arc Lengths and Unequally Changed Magnetization Directions

Abstract

Keywords

ASJC Scopus subject areas

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