Patent ID: 11894786
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. The device according to claim 6, wherein the determining module is specifically configured to obtain a d-axis reference current idref and a q-axis reference current iqref based on an MTPA and a torque current distribution policy of flux weakening control; and calculate a cost function corresponding to each switch state based on the d-axis current idk+1 at a next moment in each switch state, the q-axis current iqk+1 at the next moment in each switch state, the d-axis reference current idref, and the q-axis reference current iqref, wherein, a switch state with a lowest cost function is the control policy of the permanent-magnet synchronous machine.