Research Article
Bias Magnetic Field of Stack Giant Magnetostrictive Actuator: Design, Analysis, and Optimization
Table 1
Percentage difference of magnetic field along axial and radius position of GMM with different design parameters.
| Aspect ratio | Difference in axial magnetic field | Difference in radius magnetic field |
| 1 | 5.03% | 0.27% | 2 | 11.91% | 0.17% | 4 | 28.91% | 0.12% |
| Remanent flux density | Difference in axial magnetic field | Difference in radius magnetic field |
| 1.2 T | 15.95% | 0.08% | 1.4 T | 28.91% | 0.12% | 1.6 T | 37.64% | 0.18% |
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