Mass Optimization Method of a Surface-Mounted Permanent Magnet Synchronous Motor Based on a Lightweight Structure

To solve the problem that the propulsion motor of the solar-powered aircraft is difficult to meet the high-torque-density requirement, the mass optimization method of a surface-mounted permanent magnet synchronous motor (SPMSM) based on a lightweight structure is proposed in this paper. According to...

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Main Authors: Xintong Zhang, Liyi Li, Chengming Zhang
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9001065/
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author Xintong Zhang
Liyi Li
Chengming Zhang
author_facet Xintong Zhang
Liyi Li
Chengming Zhang
author_sort Xintong Zhang
collection DOAJ
description To solve the problem that the propulsion motor of the solar-powered aircraft is difficult to meet the high-torque-density requirement, the mass optimization method of a surface-mounted permanent magnet synchronous motor (SPMSM) based on a lightweight structure is proposed in this paper. According to the motor load generated by propeller, the strength and stiffness analytical models of the mechanical structure are established. By correlating the mechanical dimensions with the electromagnetic dimensions, a full-scale parametric model of SPMSM is obtained. A 4kW and a 167W SPMSMs are designed based on the parametric model. Analysis results show that with the increase of the ratio of motor diameter to length, the motor mass firstly decreases and then increases, and there is a minimum value. The validity of the lightweight structure and analytical models are verified by the finite element models (FEM) and prototypes.
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spelling doaj.art-46912f0f058842c184c1198c647ab4182022-12-21T22:01:56ZengIEEEIEEE Access2169-35362020-01-018404314044410.1109/ACCESS.2020.29749089001065Mass Optimization Method of a Surface-Mounted Permanent Magnet Synchronous Motor Based on a Lightweight StructureXintong Zhang0https://orcid.org/0000-0001-5439-0663Liyi Li1https://orcid.org/0000-0002-6382-2891Chengming Zhang2https://orcid.org/0000-0003-4920-9481Department of Electrical Engineering, Harbin Institute of Technology, Harbin, ChinaDepartment of Electrical Engineering, Harbin Institute of Technology, Harbin, ChinaDepartment of Electrical Engineering, Harbin Institute of Technology, Harbin, ChinaTo solve the problem that the propulsion motor of the solar-powered aircraft is difficult to meet the high-torque-density requirement, the mass optimization method of a surface-mounted permanent magnet synchronous motor (SPMSM) based on a lightweight structure is proposed in this paper. According to the motor load generated by propeller, the strength and stiffness analytical models of the mechanical structure are established. By correlating the mechanical dimensions with the electromagnetic dimensions, a full-scale parametric model of SPMSM is obtained. A 4kW and a 167W SPMSMs are designed based on the parametric model. Analysis results show that with the increase of the ratio of motor diameter to length, the motor mass firstly decreases and then increases, and there is a minimum value. The validity of the lightweight structure and analytical models are verified by the finite element models (FEM) and prototypes.https://ieeexplore.ieee.org/document/9001065/Analytical modellightweight structuremass optimizationsolar-powered aircraftstrengthstiffness
spellingShingle Xintong Zhang
Liyi Li
Chengming Zhang
Mass Optimization Method of a Surface-Mounted Permanent Magnet Synchronous Motor Based on a Lightweight Structure
IEEE Access
Analytical model
lightweight structure
mass optimization
solar-powered aircraft
strength
stiffness
title Mass Optimization Method of a Surface-Mounted Permanent Magnet Synchronous Motor Based on a Lightweight Structure
title_full Mass Optimization Method of a Surface-Mounted Permanent Magnet Synchronous Motor Based on a Lightweight Structure
title_fullStr Mass Optimization Method of a Surface-Mounted Permanent Magnet Synchronous Motor Based on a Lightweight Structure
title_full_unstemmed Mass Optimization Method of a Surface-Mounted Permanent Magnet Synchronous Motor Based on a Lightweight Structure
title_short Mass Optimization Method of a Surface-Mounted Permanent Magnet Synchronous Motor Based on a Lightweight Structure
title_sort mass optimization method of a surface mounted permanent magnet synchronous motor based on a lightweight structure
topic Analytical model
lightweight structure
mass optimization
solar-powered aircraft
strength
stiffness
url https://ieeexplore.ieee.org/document/9001065/
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AT liyili massoptimizationmethodofasurfacemountedpermanentmagnetsynchronousmotorbasedonalightweightstructure
AT chengmingzhang massoptimizationmethodofasurfacemountedpermanentmagnetsynchronousmotorbasedonalightweightstructure