{TAIL ~ The individual input control signal} for each power source is obtained by summing {HEAD ~ the error signal} with the individual signal representing the variable component 
{ TAIL ~ The individual input control signal } for each power source is obtained by summing { HEAD ~ the error signal } with the individual signal representing the variable component
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH