Optimal design to reduce torque ripple of IPM motor with radial based function meta-model considering design sensitivity analysis

Cho, Seunghyeon; Lee, Dong-Chan; Hwang, Jae Joon; Kim, Kilju; Jang, Gyeong Uk; Bae, Dae-Sung; Mok, Hyung-Soo; Kim, Chang-Wan

doi:10.1007/s12206-019-0740-0

Cited by 4 publications

(2 citation statements)

References 16 publications

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“…As shown in Figure 1, there are plenty of possible approaches to reduce torque ripple by geometry optimization [1,[12][13][14][15][16][17][18][19][20][21][23][24][25][26][27][28][29][30][31][32]35,38,40,43,44,46,47,. However, all those approaches aim to reduce torque ripple by minimizing cogging torque or back EMFrelated issues.…”

Section: Geometry Optimizationmentioning

confidence: 99%

A Review of Torque Ripple Reduction Design Methods for Radial Flux PM Motors

Suriano-Sánchez

Ponce-Silva

Olivares-Peregrino

et al. 2022

Eng

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Nowadays the efficient use of energy is a major issue in applications such as electric vehicles. However, there are some phenomena that affect electric vehicle performance. One of those phenomena is the torque ripple of electric motors, which interferes with traction and the suspension system (causing vibration that stresses this system), and it can also introduce electric current harmonics into the battery, reducing its life, since torque ripple is partly a consequence of non-sinusoidal back EMF. For those reasons this is a topic worth investigating. The torque ripple of permanent magnets (PM) motors can be reduced in design or through control. Since control techniques have been reviewed and design methods have not, this paper presents a comparison of several design techniques to reduce torque ripple by different approaches and categorize them to show the characteristics of each group. A discussion is then made about the advantages and disadvantages of the designs, in general, as well as some comments about the missing, but important information, in the papers, such as the effects on efficiency. The study shows that a combination of methods provide the best results, although it complicates fabrication and suggests that this is a promising line of future investigation on torque ripple reduction methods.

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Section: Geometry Optimizationmentioning

confidence: 99%

A Review of Torque Ripple Reduction Design Methods for Radial Flux PM Motors

Suriano-Sánchez

Ponce-Silva

Olivares-Peregrino

et al. 2022

Eng

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“…Since the structure of rotor and stator of the flux switching machine is the salient pole type, the air-gap flux density of the flux switching machine is higher than some other kinds of machines [1][2][3]. In this condition, the magnetic saturation occurs in the teeth end of flux switching machine's rotor and stator, which produces the cogging torque fluctuation when the flux switching machine is working [4,5]. The cogging torque fluctuation will lead to mechanical vibration and noise, which is disadvantageous for the constant-speed and constant-torque operation of the flux switching machine, especially in the low-speed condition [6].…”

Section: Introductionmentioning

confidence: 99%

Analysis and Verification of a Cogging Torque Reduction Method for Variable Flux Memory Permanent Magnet Machine

et al. 2021

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In this paper, an analytical method based on the series transform and skewed slot structure of rotor is adopted to reduce the cogging torque of the variable flux memory permanent magnet (VFMPM) machine. Firstly, the theory analysis of the cogging torque of the VFMPM machine was completed. Secondly, a simulation model of the VFMPM machine was established, aiming at calculating the cogging torque of the VFMPM machine and verifying the correctness of the above analytical method. Thirdly, a prototype of 14 rotor slots and 12 stator slots of the VFMPM machine was manufactured, and the experimental results of the cogging torque of the VFMPM machine further verified the effectiveness of the above mentioned theory analysis. Besides, the load force of the VFMPM machine including the cogging torque was also tested and analyzed in this paper.

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