Revision as of 14:34, 23 September 2017 edit Dougsim (talk \| contribs) Extended confirmed users 8,823 edits →Examples: added image ← Previous edit		Revision as of 14:36, 23 September 2017 edit undo Dougsim (talk \| contribs) Extended confirmed users 8,823 edits →Open-loop and closed-loop (feedback) control: removed non-essential text about closed loop control as this could confuse readers - the article is about open loop control. Next edit →
Line 17: \|publisher =The Colonial Press, Inc.\|___location= Clinton, MA USA\|isbn= \|pages=}}</ref> Likewise, a "'Feedback Control System' is a system which tends to maintain a prescribed relationship of one system variable to another by comparing functions of these variables and using the difference as a means of control."<ref>{{cite book\|title= The Origins of Feedback Control\|last=Mayr\|first= Otto\| author-link= Otto Mayr\| year= 1969\|publisher =The Colonial Press, Inc.\|___location= Clinton, MA USA\|isbn= \|pages=}}</ref> The advanced type of automation that revolutionized manufacturing, aircraft, communications and other industries, is feedback control, which is usually ''continuous'' and involves taking measurements using a [[sensor]] and making calculated adjustments to keep the measured variable within a set range.<ref>Bennett, Stuart (1992). A history of control engineering, 1930-1955. IET. p. p. 48. {{ISBN\|978-0-86341-299-8}}.</ref> The theoretical basis of closed loop automation is the discipline of [[control theory]]. == Examples ==

Open-loop controller: Difference between revisions