High Power Laser and Particle Beams, Volume. 36, Issue 6, 065002(2024)
Parameter identification and application of Jiles-Atherton model for Fe-based nanocrystalline cores under pulsed excitation
Figures & Tables(13)
Fig. 2. Schematic diagram of magnetic core test system under pulse excitation
Fig. 8. Hysteresis loops fit of Fe-based nanocrystal cores at different magnetization rates
Table 1. Initial coding table
View tableView in ArticleTable 1. Initial coding table
$ M_{\mathrm{s}}/(\mathrm{A\cdot m^{-1}}) $ $ k/(\mathrm{A\cdot m^{-1}}) $ c $ \alpha/(\mathrm{A\cdot m^{-1}}) $ a superiority-seeking boundaries 0.5×106～1.0×106 1～50 0～10 1.0×10−6～1.0×10−4 0～20 coding boundaries 0.5×106～1.0×106 10～500 0～104 1～100 0～2×103
Table 2. J-A parameter identification results and relative error values at different magnetization rates
View tableView in ArticleTable 2. J-A parameter identification results and relative error values at different magnetization rates
magnetization rate/(T·μs−1) $ {M_{\mathrm{s}}}/({\rm{A}} \cdot {{\rm{m}}^{ - 1}}) $ $ k/({\rm{A}} \cdot {{\rm{m}}^{ - 1}}) $ c $ \alpha /({\rm{A}} \cdot {{\rm{m}}^{ - 1}}) $ a $ {\rm{error}}/{\text{%}} $ 1.5 767287 39.0 5.745 6.90×10−5 0.05 6.060 2.0 757373 20.5 0.013 7×10−6 9.45 2.553 2.4 815590 12.9 0.004 5×10−6 17.60 2.552 3.3 751982 31.3 0.032 6.7×10−5 16.41 4.991
Table 3. Table of relative errors of pulse front error and pulse amplitude
View tableView in ArticleTable 3. Table of relative errors of pulse front error and pulse amplitude
pulse front/μs pulse amplitude/kV experimental value simulation value error/% experimental value simulation value error/% modified J-A model with GA 4.967 4.807 3.33 100.028 97.199 2.91 experimental and simulation data from Ref. [ 2 ]5.0 5.445 8.0 100 110.020 9.0
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Jinbo Jiang, Yi Li, Yu Cao, Wanchen Cai, Yandong Yao, Lin Xu. Parameter identification and application of Jiles-Atherton model for Fe-based nanocrystalline cores under pulsed excitation[J]. High Power Laser and Particle Beams, 2024, 36(6): 065002
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Received: Oct. 20, 2023
Accepted: Dec. 24, 2023
Published Online: Jun. 3, 2024
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