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- Title
DESIGN OPTIMIZATION OF A NOVEL MAGNETIC SWITCHABLE DEVICE BASED ON HALBACH ARRAY.
- Authors
Yong Chen; Changming Wang; Jiandong Bao
- Abstract
The paper deals with the design and optimization of a novel magnetic switchable device based on Halbach array. The magnetic field in air gap is adjustable by rotating the center axis of adhesion mechanism so that the magnetic adhesion force is variable, and it is convenient for device to adsorb on and detach from the ferromagnetic workpiece or surface. The magnetic field model is established by Fourier series method, and the optimal dimensions of configuration are obtained by genetic algorithms for best performing design. The magnetic force of novel optimal device is measured, and a good agreement between simulation and measurement is found. The results are compared to the traditional mechanism, and it is shown that the utilization ratio of magnets of novel optimal mechanism is 2.2 times larger than the H-type one with the same usage of magnets, while its consumption of soft iron is only 12.7% of the H-type one.
- Subjects
MAGNETIC devices; MATHEMATICAL optimization; MAGNETS; GENETIC algorithms; MAGNETIC fields; MATHEMATICAL models
- Publication
Progress in Electromagnetics Research M, 2013, Vol 31, p143
- ISSN
1937-8726
- Publication type
Article
- DOI
10.2528/pierm13041301