The next task of the FOC algorithm is to do away with the sine waves, which requires one important input—the rotor position. We see in the diagram that this value is fed to the Park-transform block as ...

(This is where the input block gets fed into the algorithm.) The input Kt is a constant defined for each round.[2] As can be seen from the diagram above, only A and E are changed in a round.

The next task of the FOC algorithm is to do away with the sine waves, which requires one important input—the rotor position. We see in the diagram that this value is fed to the Park-transform block as ...