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Closed loop - Revision history
2026-08-02T05:38:09Z
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2001:1715:4E2A:80B0:2050:904A:247D:A9E: /* Technology */
2023-08-21T18:29:46Z
<p><span class="autocomment">Technology</span></p>
<p><b>New page</b></p><div>'''Closed loop''' or '''closed-loop''' may refer to:<br />
{{tocright}}<br />
==Mathematics==<br />
* [[Loop (topology)]]<br />
* [[Closed curve]]<br />
<br />
==Technology==<br />
* A closed feedback loop:<br />
** [[Closed-loop transfer function]]<br />
** [[Electronic feedback loop]]<br />
** [[PID controller]]<br />
* [[Closed ecological system]]<br />
* [[Closed-loop communication]]<br />
* [[Ecological sanitation]] systems or ecosan<br />
<br />
==Other uses==<br />
* [[Circular economy]], with materials recycled<br />
* [[Closed time loop]], a paradox of time travel<br />
* [[Knot loop]], in a knot<br />
<br />
{{disambiguation}}</div>
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