Research Article
Failure Diagnosis for Demagnetization in Interior Permanent Magnet Synchronous Motors
Figure 17
Block diagram for a brushless DC motor controlled using the vector control strategy.
(a) Whole system |
(b) Subsystem for PWM inv in (a) |
(c) Subsystem for va, vb, and vc in (b) |
(d) Subsystem voltage drop in (c) |