DOKK / manpages / debian 12 / linuxcnc-uspace / clarke3.9.en
CLARKE3(9) HAL Component CLARKE3(9)

clarke3 - Clarke (3 phase to cartesian) transform

loadrt clarke3 [count=N|names=name1[,name2...]]

The Clarke transform can be used to translate a vector quantity from a three phase system (three components 120 degrees apart) to a two phase Cartesian system (plus a homopolar component if the three phases don't sum to zero).

clarke3 implements the general case of the transform, using all three phases. If the three phases are known to sum to zero, see clarke2 for a simpler version.



three phase input vector

cartesian components of output
homopolar component of output

clarke2(9) for the 'a+b+c=0' case, clarkeinv(9) for the inverse transform.

John Kasunich

GPL

2023-02-10 LinuxCNC Documentation