Multi-Objective Optimization Design of a New Permanent Magnet Synchronous Motor Based on the Taguchi Method

Qu, Chunyu; Guo, Zhen; Hu, Yongzhuang; Wang, Xiuping; Han, Fengling

doi:10.3390/en15197347

Cited by 13 publications

(8 citation statements)

References 17 publications

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“…Since the inner stator's magnetic fields and outer stator's magnetic fields have little influence on each other, the inner stator's parameters and outer stator's parameters are optimized separately. Taguchi's method is a local optimization algorithm used to find the best combination of parameters to improve the quality of the product, which has the advantages of short computation period, simple establishment of objective function, and high efficiency [24]. The The flowchart of Taguchi algorithm is shown in Fig.…”

Section: Stator Optimizationmentioning

confidence: 99%

Study on Electromagnetic Performance of Permanent Magnet Rotor and Dual Stator Starter Generator for Electric Vehicle Range Extender

Gao,

Yu,

Jiao

et al. 2024

PIER B

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The flywheel-type dual-stator permanent magnet starter generator combines engine flywheel and starter generator rotor into a single unit, which has the advantages of high efficiency, high power density, and compact structure. This paper proposes a new type of dual-stator permanent magnet starter generator topology in which the two stators are concentric and share the same permanent magnet rotor. Equivalent magnetic circuit modeling of the inner stator's magnetic field, outer stator's magnetic field, and synthetic magnetic field using the equivalent magnetic circuit method list the system of flux equations and solve the main magnetic flux, leakage flux, and leakage coefficient, and the results show that the equivalent magnetic circuit method has smaller error and higher accuracy than the finite element method. The harmonic electric potential of the starter generator is modeled and analyzed. The permanent magnet rotor and inner and outer stator structures are optimized to obtain the optimal parameters, and the prototype is manufactured and tested. The optimized starter generator no-load induced electromotive force fundamental amplitude is improved. The induced electromotive force harmonic distortion rate is reduced, and the output performance of the whole generator is significantly improved.

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Section: Stator Optimizationmentioning

confidence: 99%

Study on Electromagnetic Performance of Permanent Magnet Rotor and Dual Stator Starter Generator for Electric Vehicle Range Extender

Gao,

Yu,

Jiao

et al. 2024

PIER B

View full text Add to dashboard Cite

show abstract

“…As expressed in Equation ( 4), the torque ripple increases as the range of torque fluctuation increases [1]. There are two causes of such large torque amplitudes: the input current and the mechanical structure of the motor [4,5]. First, the torque follows the peak value of the current, and the ripple frequency increases with the number of phases and rotating speed.…”

Section: Features Of Concentrated Winding V-ipmsm For High Speedmentioning

confidence: 99%

“…First, the torque follows the peak value of the current, and the ripple frequency increases with the number of phases and rotating speed. Ripple with respect to the mechanical structure is a matter of geometry [4,5]. Ripple occurs due to the structure of the electric motor, which has slots in the stator where the windings are wound.…”

Section: Features Of Concentrated Winding V-ipmsm For High Speedmentioning

confidence: 99%

“…By modifying the motor's shape to reduce cogging torque, torque ripple can be minimized. By altering the surface shape of the rotor core to reduce harmonic content in the airgap flux density, cogging torque and torque ripple can be reduced [4,5]. While tapering the rotor surface can reduce cogging torque and torque ripple, it also results in a simultaneous reduction in output [6].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

High-Speed Design with Separated Tapering for Reducing Cogging Torque and Torque Ripple of a 3 kW Dry Vacuum Pump Motor for the ETCH Process

Choi,

Yang,

Hong

et al. 2023

Machines

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This paper proposes a design method to reduce cogging torque and torque ripple in the concentrated winding of IPMSMs (Interior Permanent Magnet Synchronous Motors) used in motors for the semiconductor ETCH process. IPMSMs can utilize reluctance torque through the difference in inductance between the d axis and q axis, but they are at a disadvantage in terms of reducing cogging torque while tapering the rotor and stator to reduce torque ripple. In addition, the existing single tapering can push the permanent magnets into the rotor. If the rotor’s permanent magnets are embedded, the magnetic reluctance will increase, and the overall performance of the motor will decrease. However, an optimum design method was derived in which the magnets do not move during rotor tapering. This geometric design is an optimum design method that reduces cogging torque and torque ripple. This paper compares and analyzes four models, the concentrated winding model, distributed winding model, conventional tapering model, and separated tapering model, using 2D and 3D finite element analysis (FEA).

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“…As permanent magnet (PM) machines exhibit high torque density and high efficiency [1,2], they have been widely employed in various electric drive systems [3][4][5]. Among many challenges in PM machine design, the reduction of motor torque ripple [6] is of high popularity.…”

Section: Introductionmentioning

confidence: 99%

An In-Phase Unit Slot-Opening Shift Method for Cogging Torque Reduction in Interior Permanent Magnet Machine

Wang

Chen

et al. 2023

Mathematics

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The cogging torque reduction methods in permanent magnet (PM) machines are more or less FEA trial and error-based and cause undesirable side effects, such as distorted back EMF, new harmonic components, and structure asymmetry. A slot-opening grouping method can address these issues. However, it needs to model all slots in FEA design validation during practical cogging torque optimization iterations, and also leads to back-EMF reduction. In this paper, a new grouping strategy, termed in-phase unit (IPU), is introduced, together with the slot-opening angle-shift method. The slot openings with the same cogging torque distribution pattern are grouped into an IPU, and the cogging torque peaks of the slot openings within an IPU can now be interleaved. Thereby, the major harmonic components of the cogging torque are cancelled out, instead of being summed up. The IPU grouping principle, the slot-opening shift angle computation, and the selection of the harmonic order to cancel are analyzed in detail. By comparison, the proposed method not only simplifies cogging torque optimization iterations by only modeling the slots in one IPU in FEA, but also compensates for the back-EMF constant reduction. The effectiveness of the proposed methods is validated by two typical interior PM machine design cases.

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Multi-Objective Optimization Design of a New Permanent Magnet Synchronous Motor Based on the Taguchi Method

Cited by 13 publications

References 17 publications

Study on Electromagnetic Performance of Permanent Magnet Rotor and Dual Stator Starter Generator for Electric Vehicle Range Extender

Study on Electromagnetic Performance of Permanent Magnet Rotor and Dual Stator Starter Generator for Electric Vehicle Range Extender

High-Speed Design with Separated Tapering for Reducing Cogging Torque and Torque Ripple of a 3 kW Dry Vacuum Pump Motor for the ETCH Process

An In-Phase Unit Slot-Opening Shift Method for Cogging Torque Reduction in Interior Permanent Magnet Machine

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