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The structure parameters of dual-stator permanent magnet synchronous motors（DSPMSM）were optimized with finite element method and Taguchi method at the rated point，maximum torque point，and maximum speed point，respectively，aiming at the problem of large torque ripple of DSPMSM. The influence on electromagnetic torque performance of each optimization variable was also analyzed. Then，comprehensively considering the influence degree of different variables under each operation point and the proportion of each variable's influence degree to the total influence degree，the optimal combination of variables that can balance the electromagnetic torque performance under three operation points was finally obtained. The results indicate that the comprehensive optimization design method based on Taguchi method for multiple operation points can significantly reduce torque ripple and improve the electromagnetic performance of DSPMSM.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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