9

Example

Fig. Settings for geometrical parameters

d

9

d

8

(r

1

,θ

1

)

d

2

*Polar coordinate

with the axis

center as the origin

Settings for Geometrical Parameters

✓ Set geometrical parameters based on the rotor geometry of the

double-layered IPMSM [2]

✓ Generate random numbers within the range of the upper and

lower limit values of the geometry, and generate 12,000 shapes

[2] Y. Shimizu et al., IEEJ Trans. Ind.

Appl., Vol. 6, No. 6, pp. 401-408 (2017)