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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Seok-Myeong Jang Hyung-Il Park Jang-Young Choi Kyoung-Jin Ko Sung-Ho Lee |
| Copyright Year | 1965 |
| Abstract | This paper deals with the magnet pole shape design of permanent magnet machines for the minimization of torque ripple based on electromagnetic field theory. On the basis of a magnetic vector potential and a two-dimensional (2-D) polar system, analytical solutions for flux density due to permanent magnet (PM) and current are obtained. In particular, the analytical solutions for mathematical expressions of magnets with different circumferential thicknesses can be solved by introducing improved magnetization modeling techniques, resulting in accurate calculations of electromagnetic torque. The analytical results are validated extensively by nonlinear finite element method (FEM). Test results such as back-emf measurements are also given to confirm the analyses. Finally, on the basis of derived analytical solutions, a reduction of torque ripple can be achieved. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 3586 |
| Ending Page | 3589 |
| Page Count | 4 |
| File Size | 474670 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 47 |
| Issue Number | 10 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-10-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Torque Magnetic analysis Shape Analytical models Iron Mathematical model Permanent magnets torque ripple Analytical technique electromagnetic torque magnet pole shape permanent magnet (PM) motors |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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