closed-loop system


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Noun1.closed-loop system - a control system with a feedback loop that is active
control system - a system for controlling the operation of another system
References in periodicals archive ?
This project will retain the closed-loop system footprint between the intersections and the municipal building.
Unlike a conventional cooling tower, the closed-loop system uses ambient air to cool the process water.
We] believe that this closed-loop system will enable the company to offer total SMT solutions land] significant value through yield improvement," ASM said.
The main tools for robust state controller design used in this paper are (1) the Luenberger feedback-canonical form [16] of the uncertain plant description and (2) the stable reflection vector polytopes of the closed-loop system [2,11].
The Mead plant is the first-ever closed-loop system for distilling commercial quantities of ethanol using methane gas recaptured from cow manure, instead of fossil fuels.
The wells, buried 400 feet deep, used a closed-loop system that sends hot water beneath the Earth's surface to be cooled.
quoted one estimate from a group of independent experts who predicted that a functional closed-loop system may be available as soon as 2013.
In this context, the quantification of non-linearity in the closed-loop system is reduced to the effect of non-linearity on the intended controller performance.
Genesis plant will begin production in December 2006 as the first-ever closed-loop system for distilling commercial quantities of ethanol using methane gas recaptured from cow manure.
It is a closed-loop system, so there is virtually no water consumption or evaporation (except a small amount external to the heat exchanger for adiabatic cooling on very hot days), and thus no scale deposits and no need for ongoing water treatment.
EcoPower is a closed-loop system that uses atomized water rather than detergents to clean aircraft engines at approximately 20% power, meaning that washing can be done at the gate.
In a horizontal closed-loop system, loops of special heat-conducting polyethylene pipe are buried in a series of three-foot-wide trenches six to eight feet below the surface.

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