Force Decomposition for Magnetic Actuators

This paper examines the contributions of different actuator parts to the magnetic force. The method is to decompose the magnetic field into components according to the current density and magnetization in distinct parts, and to interpret all the magnetic forces by means of these components. This ena...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2017-03, Vol.53 (3), p.1-7
Main Authors: Puumala, Veikko, Tampio, Juha, Suuriniemi, Saku, Kettunen, Lauri
Format: Article
Language:English
Subjects:
Actuators
Coils
Decomposition
Force
Magnetic cores
Magnetic fields
Magnetic flux
Magnetic forces
Magnetism
Magnetostatics
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Description
Summary:This paper examines the contributions of different actuator parts to the magnetic force. The method is to decompose the magnetic field into components according to the current density and magnetization in distinct parts, and to interpret all the magnetic forces by means of these components. This enables isolation and quantification of the magnetic forces between any actuator parts. The approach is demonstrated with practical design problems to explain how different actuator parts contribute to the magnetic force.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2016.2636121