This International Standard classifies and defines the terms to be used in describing the different types of adaptive controller. The classifications described are logically a complete series@ although it is quite possible that no controller will be available in some of the categories described. However@ many controllers will be classified under more than one category described in this standard.
IEC 61297:1995 history
1995IEC 61297:1995 Systemes de commande des processus industriels - Classification des regulateurs adaptatifs en vue de leur evaluation (Edition 1.0)