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Sensitivity-Based Optimization of Interior Permanent Magnet Synchronous Motor for Torque Characteristic Enhancement

Abstract : This paper presents a multi-objective optimal rotor design for an interior permanent magnet synchronous motor (IPMSM) based on finite element analysis. Due to the importance of torque characteristic in electromagnetic design of IPMSMs, the main efforts of this study are focused on finding a proper trade-off for its torque profile challenges. In this regard, in order to attain high average torque and low torque ripple, the influence of several key factors, such as the permanent magnet (PM) arrangements, PM positions and PM sizes, are examined. Subsequently, according to the outcomes of the performed sensitivity analysis, the appropriate variation interval of the parameters as well as their initial values is determined. Employing such a deterministic optimization algorithm, which does not need large sample points, minimizes the finite element computational cost and leads to accelerate the convergence process. The two-dimensional finite element model (FEM) of an IPMSM is used to perform a sensitivity analysis and establish a multiobjective FEM-based optimization.
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https://hal.archives-ouvertes.fr/hal-03201408
Contributor : Thierry Lubin <>
Submitted on : Sunday, April 18, 2021 - 5:43:37 PM
Last modification on : Wednesday, May 12, 2021 - 3:42:46 PM
Long-term archiving on: : Monday, July 19, 2021 - 6:18:07 PM

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Sajjad Ahmadi, Thierry Lubin, Abolfazl Vahedi, Nasser Taghavi. Sensitivity-Based Optimization of Interior Permanent Magnet Synchronous Motor for Torque Characteristic Enhancement. Energies, MDPI, 2021, 14 (8), pp.2240. ⟨10.3390/en14082240⟩. ⟨hal-03201408⟩

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