A Novel S-Shape Offset Type of a Modulated Ferromagnetic Pole Piece Design for a Pseudo-Direct Drive Motor

Po Wei Huang; Tsung Wei Chang; Wen Hao Yang; Yi Chang Wu; Mi Ching Tsai

doi:10.1109/TMAG.2023.3290599

A Novel S-Shape Offset Type of a Modulated Ferromagnetic Pole Piece Design for a Pseudo-Direct Drive Motor

Po Wei Huang, Tsung Wei Chang, Wen Hao Yang, Yi Chang Wu, Mi Ching Tsai

Research output: Contribution to journal › Article › peer-review

Abstract

This article proposes a novel pseudo-direct drive (PDD) motor design. An S-shape offset type (SOT) of a modulated ferromagnetic pole piece ring (FPPR) based on a self-adhesive steel sheet was introduced to improve the fragile structure and flux leakage problems of the traditional PDDs. The stress and flux distribution comparison between the traditional PDD and the proposed design were simulated by 3-D finite element analysis (FEA). It was found that the SOT pole piece ring could not only maintain the same flux leakage but also enhance the structural strength. Moreover, the torque behavior and efficiency were investigated, and a prototype was manufactured to prove its feasibility.

Original language	English
Article number	8203705
Journal	IEEE Transactions on Magnetics
Volume	59
Issue number	11
DOIs	https://doi.org/10.1109/TMAG.2023.3290599
Publication status	Published - 2023 Nov 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/TMAG.2023.3290599

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title = "A Novel S-Shape Offset Type of a Modulated Ferromagnetic Pole Piece Design for a Pseudo-Direct Drive Motor",

abstract = "This article proposes a novel pseudo-direct drive (PDD) motor design. An S-shape offset type (SOT) of a modulated ferromagnetic pole piece ring (FPPR) based on a self-adhesive steel sheet was introduced to improve the fragile structure and flux leakage problems of the traditional PDDs. The stress and flux distribution comparison between the traditional PDD and the proposed design were simulated by 3-D finite element analysis (FEA). It was found that the SOT pole piece ring could not only maintain the same flux leakage but also enhance the structural strength. Moreover, the torque behavior and efficiency were investigated, and a prototype was manufactured to prove its feasibility.",

author = "Huang, {Po Wei} and Chang, {Tsung Wei} and Yang, {Wen Hao} and Wu, {Yi Chang} and Tsai, {Mi Ching}",

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AU - Huang, Po Wei

AU - Chang, Tsung Wei

AU - Yang, Wen Hao

AU - Wu, Yi Chang

AU - Tsai, Mi Ching

PY - 2023/11/1

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N2 - This article proposes a novel pseudo-direct drive (PDD) motor design. An S-shape offset type (SOT) of a modulated ferromagnetic pole piece ring (FPPR) based on a self-adhesive steel sheet was introduced to improve the fragile structure and flux leakage problems of the traditional PDDs. The stress and flux distribution comparison between the traditional PDD and the proposed design were simulated by 3-D finite element analysis (FEA). It was found that the SOT pole piece ring could not only maintain the same flux leakage but also enhance the structural strength. Moreover, the torque behavior and efficiency were investigated, and a prototype was manufactured to prove its feasibility.

AB - This article proposes a novel pseudo-direct drive (PDD) motor design. An S-shape offset type (SOT) of a modulated ferromagnetic pole piece ring (FPPR) based on a self-adhesive steel sheet was introduced to improve the fragile structure and flux leakage problems of the traditional PDDs. The stress and flux distribution comparison between the traditional PDD and the proposed design were simulated by 3-D finite element analysis (FEA). It was found that the SOT pole piece ring could not only maintain the same flux leakage but also enhance the structural strength. Moreover, the torque behavior and efficiency were investigated, and a prototype was manufactured to prove its feasibility.

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A Novel S-Shape Offset Type of a Modulated Ferromagnetic Pole Piece Design for a Pseudo-Direct Drive Motor

Abstract

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