确实找到了一些类似我想象的结构的电机，东南那边专门有课题组搞这种电机波浪发电

参考：

L. Huang, M. Chen, L. Wang, F. Yue, R. Guo and X. Fu, "Analysis of a Hybrid Field-Modulated Linear Generator For Wave Energy Conversion," in IEEE Transactions on Applied Superconductivity, vol. 28, no. 3, pp. 1-5, April 2018, Art no. 0601205, doi: 10.1109/TASC.2018.2796549.