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<p>This study proposes a One-Step method to reduce the computation time required for analyzing permanent magnet linear synchronous motors (PMLSMs) using three-dimensional finite element analysis (3D FEA). The method leverages d–q axis transformation and estimates average thrust and the fundamental component of voltage based on initial flux and current values. Compared to the conventional full-period finite element analysis (FPF), the proposed method exhibits a 2.44% error in average thrust and a 4.41% error in the fundamental voltage component, while reducing computation time by 92.38%. Case studies involving variations in design parameters and current phase angles demonstrate that this method maintains reliable accuracy.</p>

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One-Step Method for Reducing the Computational Time of PMLSM Analysis

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • Seung-Hwan Oh,
  • Dong-Kuk Lim

摘要

This study proposes a One-Step method to reduce the computation time required for analyzing permanent magnet linear synchronous motors (PMLSMs) using three-dimensional finite element analysis (3D FEA). The method leverages d–q axis transformation and estimates average thrust and the fundamental component of voltage based on initial flux and current values. Compared to the conventional full-period finite element analysis (FPF), the proposed method exhibits a 2.44% error in average thrust and a 4.41% error in the fundamental voltage component, while reducing computation time by 92.38%. Case studies involving variations in design parameters and current phase angles demonstrate that this method maintains reliable accuracy.