{TAIL ~ a rotor position sensor} , controlled by {HEAD ~ the position} of the rotor , for generating a rotor position signal  
{ TAIL ~ a rotor position sensor } , controlled by { HEAD ~ the position } of the rotor , for generating a rotor position signal
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH