Research Article

Research on an Improved Method for Permanent Magnet Synchronous Motor

Figure 5

Simulation waves under ADRC method when given speed is 1500 r/min and load changes from 3 N·m to 6 N·m at 0.25 s.
816421.fig.005a
(a) Speed wave
816421.fig.005b
(b) Part of speed wave when load changes front and back