Design and Analysis of an Interior Permanent Magnet Synchronous Motor for a Traction Drive Using Multiobjective Optimization

Figure 5

The type of “−” multiobjective optimization results. (a) Salient pole ratio; (b) efficiency; (c) average output torque; (d) back-EMF harmonic content and torque ripple.

(a)

(b)

(c)

(d)