An Optimal Method for Minimizing Cogging Torque in Disc-Type Permanent Magnet Machines Using FEM and Genetic Algorithm

Jing Shi Shangguan; Cheng Zhi Fan

doi:10.4028/www.scientific.net/AMM.416-417.21

Paper Titles

Preface, Committees and Reviewers

Design and Analysis of a New Linear Fault-Tolerant Flux-Reversal Permanent-Magnet Machine
p.3

Design of Dual-Rotor Radial Flux Permanent-Magnet Generator for Wind Power Applications
p.9

Inductance and Flux Linkage Variation on Operation Performance for Multi-Segmented Linear PM Motor
p.15

An Optimal Method for Minimizing Cogging Torque in Disc-Type Permanent Magnet Machines Using FEM and Genetic Algorithm
p.21

Research on the End Effect Detent Force Reduction of Permanent Magnet Linear Synchronous Motor with Auxiliary Poles One-Piece Structure
p.27

Performance Analysis of a Linear Motor with HTS Bulk Magnets for Driving a Prototype HTS Maglev Vehicle
p.33

Design of a New Frog-Leg Winding Permanent-Magnet Brushless DC Motor
p.38

Magnetic Shielding for Coreless Linear Permanent Magnet Motors
p.45

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 416-417An Optimal Method for Minimizing Cogging Torque in...

An Optimal Method for Minimizing Cogging Torque in Disc-Type Permanent Magnet Machines Using FEM and Genetic Algorithm

Abstract:

Cogging torque is one of the main reasons which cause ripple in motor's speed and torque. So the reduction of cogging torque must be considered in the design of permanent magnet machines. There are many existing techniques for reducing cogging torque in PM machines. This paper presents a new optimal method for cogging torque minimization by magnet shifting in disc-type PM machines. The impact of magnet shifting on cogging torque and torque output are discussed in disc-type PM machines. In order to reduce the cogging torque effectively while without being harmful to the average torque output. This paper used genetic algorithm (GA) to calculate the shift positions combined with slot-opening optimization to achieve the minimum cogging torque.

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Periodical:

Applied Mechanics and Materials (Volumes 416-417)

Pages:

21-26

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.416-417.21

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Online since:

September 2013

Authors:

Jing Shi Shangguan, Cheng Zhi Fan

Keywords:

Cogging Torque, Disc-Type Permanent Magnet Machine, Finite Element Method (FEM), Genetic Algorithm (GA)

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