This permits a control of the guide vanes during {HEAD ~ engine braking operation} corresponding to the given initial condition and {TAIL ~ the desired engine braking power} 
corresponding to
This permits a control of the guide vanes during { HEAD ~ engine braking operation } corresponding to the given initial condition and { TAIL ~ the desired engine braking power }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL