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