Adaptive Backstepping Based MTPA Sensorless Control of PM-Assisted SynRM with Fully Uncertain Parameters

Figure 4

The simulation results in Case 1. (a) The estimated speed and its reference; (b) -axis current and its reference; (c) -axis current and its reference; (d) --axis control voltages; (e) torque and its estimation.

(a)

(b)

(c)

(d)

(e)