This paper proposes a new design method for surface-mounted permanent magnet machines. The key to the proposed method is that all rank harmonics are introduced to the permanent magnet for torque improvement. The proposed method can offer a variety of magnet topologies by injecting various harmonics into magnets, and these magnet topologies are subsequently analyzed to select the best one. To find the optimal torque output requires investigating the effect of all rank harmonics on the average torque and the torque ripple, and then determining the optimal harmonic combination. The results show that the fundamental, third and fifth harmonics, make great contributions to improving torque quality, while the seventh harmonic and those with higher orders are insignificant for torque improvement. Finally, a prototype, which employs the proposed method, is measured for validation.

中文翻译：

---

使用解析反馈功能改善转矩的永磁体形状

本文提出了一种新的表面贴装永磁电机设计方法。所提出方法的关键是将所有阶次谐波引入永磁体以提高转矩。所提出的方法可以通过将各种谐波注入磁体来提供各种磁体拓扑，然后对这些磁体拓扑进行分析以选择最佳拓扑。为了找到最佳扭矩输出，需要研究所有秩谐波对平均扭矩和扭矩纹波的影响，然后确定最佳谐波组合。结果表明，基波、三次和五次谐波对改善转矩质量有很大贡献，而七次谐波和高次谐波对转矩改善作用不大。最后，一个原型，它采用了所提出的方法，