closed loop


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closed loop

n. Engineering
A control system with an active feedback loop.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.closed loop - a control system with a feedback loop that is active
control system - a system for controlling the operation of another system
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
While different settings in the control system might be programmed depending on the part, a typical casting might use a closed loop motion block to slow the shot cylinder as the die is nearly full.
Analog closed loop feedback systems are currently being used in some LP-gas-powered automobiles here; updated versions featuring digital processors will be offered soon.
An initial 750.000 plastic cups made using a minimum 50 percent recycled PET from CLES's sister company, Closed Loop Recycling, will be supplied by Coveris to Delaware North, with the volume expected to ultimately rise to in excess of two million per year.
Aviya's Closed Loop Bench provides a high fidelity representation of an aircraft's various systems through real-time simulation and custom hardware, providing the user with a testing platform that is ideal for development of embedded systems.
It has a smaller footprint than traditional, closed loop wind tunnels or environmental test chambers.
And with one million visitors expected to visit London throughout the Games, Closed Loop Recycling, as well as the recycling industry as a whole, looks set to gain maximum benefit from the expected increase in plastic bottles collected for recycling, particularly in the capital city.
As well as the new London extension, Closed Loop has plans to build a 50,000 tonnes plant in North Wales, with a further five plants to come--although the opportunity that has arisen in London through the Thames Gateway Development Corporation may put these on the back burner.
Only the cooling-tower water is exposed to airborne contaminants, while only the clean water in the closed loops actually passes through the molds and heat exchangers.
Cooling water in the closed loops is chemically treated at the initial fill to dissolve the solids and keep them in suspension, explains Theys.
The Economical Resin Drying System (ERD System) is a new design to heat and dry raw materials in two steps inside one hopper using very dry process air in an open circuit and a secondary air stream in a closed loop. System uses compressed air for the drying process.

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