id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-1656	Visioli, Antonio	Research Trends for PID Controllers	2012	7	.pdf	application/pdf	4553	303	58	Acta Polytechnica Vol. 52 No. 5/2012 Research Trends for PID Controllers Antonio Visioli University of Brescia, Via Branze 38, I-25123 Brescia, Italy Corresponding author: Keywords: PID controllers, design, tuning, control structures.	cache/ap-1656.pdf	txt/ap-1656.txt