Harmonic Analysis on Torque Ripple of Brushless DC Motor Based on Advanced Commutation Control

Figure 10

The waveforms of torque ripple with the variation of advanced angle from the experimental and analytical methods: (a) 1000 rpm and 0.8 Nm condition; (b) 1500 rpm and 0.4 Nm condition; (c) 1500 rpm and 0.8 Nm condition; (d) 1500 rpm and 1.5 Nm condition.

(a)

(b)

(c)

(d)