A correction algorithm, in {HEAD ~ the form} of {TAIL ~ a model control loop} allows permanent improvement of accuracy when the model parameters are inexact 
A correction algorithm , in { HEAD ~ the form } of { TAIL ~ a model control loop } allows permanent improvement of accuracy when the model parameters are inexact
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH