determining a limit value as {HEAD ~ a function} of the error value and of the engine acceleration value in a manner that limits {TAIL ~ the engine} exhaust temperature to the maximum value of engine exhaust temperature, and 
determining a limit value as { HEAD ~ a function } of the error value and of the engine acceleration value in a manner that limits { TAIL ~ the engine } exhaust temperature to the maximum value of engine exhaust temperature , and
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH