Optimization of a SPM machine using a non-isotropic magnetic wedge with an analytical method for cogging torque estimation
| Autor: | Lorenzo Branz, Alberto Tessarolo, Mario Mezzarobba |
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| Přispěvatelé: | IEEE, Tessarolo, Alberto, Branz, Lorenzo, Mezzarobba, Mario |
| Jazyk: | angličtina |
| Rok vydání: | 2016 |
| Předmět: |
Engineering
business.product_category magnetic wedges Stator finite element analysis Machine design 01 natural sciences law.invention cogging torque Control theory law Analytical methods 0103 physical sciences genetic algorithm surface permanent magnet machines Analytical methods cogging torque design optimization finite element analysis genetic algorithm magnetic wedges 010302 applied physics business.industry Isotropy Cogging torque design optimization Wedge (mechanical device) Finite element method Quantitative Biology::Quantitative Methods Magnet surface permanent magnet machines Minification business |
| Popis: | Cogging torque is a known disadvantage of surface permanent magnet (SPM) machines, especially if equipped with open stator slots. A possible strategy to reduce the cogging torque is to use suitably designed non-isotropic magnetic wedges. The design of such wedges for cogging torque minimization requires a genetic optimization approach. This has been done in previous works using Finite Element Analysis (FEA) simulations to predict the cogging torque for each machine design being explored, leading to a very time consuming optimization process. In this paper, the same optimization is performed using an analytical method to compute the cogging torque. It is shown that the optimization process, based on the analytical formula for cogging torque prediction, leads to the same result as the FEA-based procedure, but with a significant reduction in the computational burden. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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