id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-514	Ponce, A. Noriega; Behar, A. Aguado; Hernández, A. Ordaz; Sitar, V. Rauch	Neural Networks for Self-tuning Control Systems	2004	4	.pdf	application/pdf	2983	108	62	In this case, instead of the net output error: � � � � � �e t u t u tu d� � (1) it is used the process output error: � � � � � �e t y t y ty r� � (2) to adjust the weighting coefficients. � It is very convenient to use a variable learning coefficient, using an expression as: � �� � �� � � abs e y (23)	cache/ap-514.pdf	txt/ap-514.txt