Rotor Shaping Method for Torque Ripple Mitigation in Variable Flux Reluctance Machines

Huang, Li-Ren; Feng, Jianghua; Guo, Shuying; Li, Y. F.; Shi, Junye; Zhu, Z. Q.

doi:10.1109/tec.2018.2829493

Cited by 13 publications

(4 citation statements)

References 24 publications

(29 reference statements)

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“…Detail investigation of the aforesaid rotor pole shaping methods shows great variation in quality of torque profile and electromagnetic performances. The theoretical basis of these variations is mainly due to radial permeance distribution of rotor, flux linkages, magnetic field distribution, average power ( ), back-EMF, rotor iron losses ( ), stator iron losses ( ) and total core losses ( ) [23,24].…”

Section: E Rotor Pole Notchingmentioning

confidence: 99%

“…In addition, proposed PMCPFSM offer higher average torque, torque density and power density when compare with the conventional existing state of the art.At this stage, the problem associated with the PM usage and stator leakage flux is successfully curtailed however effects of cogging torque and torque ripples are not accounted. For this purpose, numerous techniques i.e., stator teeth notching[5], pole and slot matching[16,17], PM shape optimization[18,19], segmented rotor[20], step skew rotor[21,22], rotor tooth shapes[2], 3 rd harmonics injection in space domain[23,24] and time domain in control aspect through normal phase current technique[25,26]. Despite of harmonic injection in space domain, the rest of techniques greatly reduces average torque with cogging torque and torque ripples reduction.…”

mentioning

confidence: 99%

Torque characteristics of high torque density partitioned PM consequent pole flux switching machines with flux barriers

Ullah

Khan

Sulaiman

et al. 2020

Trans. Electr. Mach. Syst.

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“…Although its operation principle is similar to the switch reluctance machine, VFRM exposes less acoustic noise due to its sinusoidal flux linkage and back electromotive force [3]. Particularly, it is shown that the torque ripple of VFRM can be reduced by rotor skewing [4], rotor shaping [5], or harmonic field current injection [6].…”

Section: Introductionmentioning

confidence: 99%

A comparative study between inner and outer rotor variable flux reluctance machine topologies for heavy-duty electric vehicles

Ceylan

Boynov

Lomonova

2022

11th International Conference on Power Electronics, Machines and Drives (PEMD 2022)

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“…For improving the electromagnetic performance, numerous design methods have been investigated. Rotor magnet shifting and asymmetric rotor shape techniques are effective for torque-ripple reduction [8][9][10] . However, these methods are only suitable for an even number of rotor teeth or rotor magnets.…”

Section: Introduction1mentioning

confidence: 99%

Multi-objective optimization design of inset-surface permanent magnet machine considering deterministic and robust performances

Jia

Zhao

et al. 2021

Chin. J. Electr. Eng.

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The inset-surface permanent magnet (ISPM) machine can achieve the desired electromagnetic performance according to the traditional deterministic design. However, the reliability and quality of the machine may be affected by the essential manufacturing tolerances and unavoidable noise factors in mass production. To address this weakness, a comprehensive multi-objective optimization design method is proposed, in which robust optimization is performed after the deterministic design. The response surface method is first adopted to establish the optimization objective equation. Afterward, the sample points are obtained via Monte Carlo simulation considering the design-variable uncertainty. The Design for Six Sigma approach is adopted to ensure the robustness of the design model. Furthermore, the barebones multi-objective particle swarm optimization algorithm is used to obtain a compromise solution. A prototype is manufactured to evaluate the effectiveness of the proposed method. According to the finite-element analysis and experimental tests, the electromagnetic performance and reliability of the machine are significantly enhanced with the proposed method.

show abstract

Rotor Shaping Method for Torque Ripple Mitigation in Variable Flux Reluctance Machines

Cited by 13 publications

References 24 publications

Torque characteristics of high torque density partitioned PM consequent pole flux switching machines with flux barriers

A comparative study between inner and outer rotor variable flux reluctance machine topologies for heavy-duty electric vehicles

Multi-objective optimization design of inset-surface permanent magnet machine considering deterministic and robust performances

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