Fig 1.
PMSM equivalent circuit diagram.
Fig 2.
Vector control block diagram.
Fig 3.
MTPA constant torque current variation curve.
Fig 4.
Stator current vector decomposition (See the figure file for details).
Fig 5.
MTPA strategy motor control block diagram.
Fig 6.
Voltage limit ellipse and current limit circle.
Fig 7.
PMSM full speed operation area.
Fig 8.
Block diagram of leading Angle weak magnetic control system.
Fig 9.
PMSM vector model based on MTPA control strategy.
Fig 10.
Internal module of MTPA algorithm.
Fig 11.
Internal modules of the weak magnetic control strategy.
Fig 12.
PMSM vector model based on MTPA+ leading Angle weak magnetic control strategy.
Fig 13.
Display interface of system motor parameters.
Fig 14.
System operation control interface.
Table 1.
PMSM parameters.
Table 2.
Coefficient values of each PI regulator.
Fig 15.
Simulation results of the control strategy of experiment 1 Id = 0.
Fig 16.
Simulation results of experiment 1 MTPA control strategy.
Fig 17.
Simulation results of control strategy in experiment 2 with Id = 0.
Fig 18.
Simulation results of MTPA control strategy in experiment 2.
Fig 19.
Experiment 3 Motor running speed upper limit curve.
Fig 20.
Simulation results of magnetic weakness control strategy in experiment 4.