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A nonlinear permanent magnet working point migration model and its application to simulation of a polarized magnetic system

A nonlinear permanent magnet working point migration model and its application to simulation of a polarized magnetic system
A nonlinear permanent magnet working point migration model and its application to simulation of a polarized magnetic system

The paper addresses the issue of the working point migration in non-linear permanent magnets (PM). Starting from the considerations of energy, a novel working-point migration model (WPM) is proposed which can be incorporated into a magnetic equivalent circuit (MEC). The static characteristic of a bistable polarized magnetic system (BPMS), as used in actuators, is calculated using the magnetic circuit method based on the WPM, while a finite element model (FEM) is also derived. The WPM based MEC model yields reasonable results, compared with FEM, of the latching force but with much faster calculation speeds. Furthermore, the working-point state of the PM is clearly illustrated. The test system of the BPMS prototype is established. It is shown that the WPM model provides accurate prediction of static characteristics of an electromagnetic system.

Institute of Electrical and Electronics Engineers Inc.
You, J.
083fc43a-65be-45bd-b073-c1a498571dd2
Liao, X.
d2efd692-9930-4a0f-9bf6-c78b22c54bc0
Wang, R.
81091b28-2585-4fb3-bd20-a9f269c190e7
Liang, H.
a67d00dd-b439-4806-9ac0-ac7644732b4b
Sykulski, J.
d6885caf-aaed-4d12-9ef3-46c4c3bbd7fb
You, J.
083fc43a-65be-45bd-b073-c1a498571dd2
Liao, X.
d2efd692-9930-4a0f-9bf6-c78b22c54bc0
Wang, R.
81091b28-2585-4fb3-bd20-a9f269c190e7
Liang, H.
a67d00dd-b439-4806-9ac0-ac7644732b4b
Sykulski, J.
d6885caf-aaed-4d12-9ef3-46c4c3bbd7fb

You, J., Liao, X., Wang, R., Liang, H. and Sykulski, J. (2018) A nonlinear permanent magnet working point migration model and its application to simulation of a polarized magnetic system. In 2018 IEEE International Magnetic Conference, INTERMAG 2018. Institute of Electrical and Electronics Engineers Inc.. (doi:10.1109/INTMAG.2018.8508236).

Record type: Conference or Workshop Item (Paper)

Abstract

The paper addresses the issue of the working point migration in non-linear permanent magnets (PM). Starting from the considerations of energy, a novel working-point migration model (WPM) is proposed which can be incorporated into a magnetic equivalent circuit (MEC). The static characteristic of a bistable polarized magnetic system (BPMS), as used in actuators, is calculated using the magnetic circuit method based on the WPM, while a finite element model (FEM) is also derived. The WPM based MEC model yields reasonable results, compared with FEM, of the latching force but with much faster calculation speeds. Furthermore, the working-point state of the PM is clearly illustrated. The test system of the BPMS prototype is established. It is shown that the WPM model provides accurate prediction of static characteristics of an electromagnetic system.

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More information

Published date: 24 October 2018
Venue - Dates: 2018 IEEE International Magnetic Conference, INTERMAG 2018, Singapore, Singapore, 2018-04-23 - 2018-04-27

Identifiers

Local EPrints ID: 431880
URI: http://eprints.soton.ac.uk/id/eprint/431880
PURE UUID: 5a8b45b1-98ea-43df-b418-ba655b73835d
ORCID for J. Sykulski: ORCID iD orcid.org/0000-0001-6392-126X

Catalogue record

Date deposited: 20 Jun 2019 16:30
Last modified: 20 Jul 2019 01:28

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Contributors

Author: J. You
Author: X. Liao
Author: R. Wang
Author: H. Liang
Author: J. Sykulski ORCID iD

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