DIFF Subgroup
H02P 21/24 Vector control not involving the use of rotor position or rotor speed sensors
Introduced: January 2016
Full Title
Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation > Vector control not involving the use of rotor position or rotor speed sensors
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2016.
Child Classifications
Navigate with arrow keys, Enter to open
- H02P 21/32 Determining the initial rotor position (H02P21/34 takes precedence) since 2016 IPC+CPC Available in IPC and CPC