Closed-loop control


Also found in: Acronyms.

Closed-loop control

A control system that uses measurement of a controlled variable for feedback. Based on the measured feedback, a closed-loop control system alters its output in an attempt to force the controlled variable to reach a given set point.
References in periodicals archive ?
Limited controlled experiments in a laboratory environment show an improvement in the print process capability with the closed-loop control in place.
Retractable tiebars, fixed-volume vane pumps, Pathfinder 3000 closed-loop control.
Features: Self-adjusting, closed-loop control, 99 pouring programs, can process filled systems.
Closed-loop control of tonnage, mold protection, fill speed, holding pressure, backpressure.
These products will enable clinicians to effectively titrate therapy to clear clinical endpoints and ultimately provide closed-loop control leading to cost effective care and better patient outcomes.
In compression, injection and other vulcanizing processes, SmartTrac provides the user closed-loop control of multiple pieces of equipment from a single control platform.
Requiring closed-loop control for torque, pressure, air flow and speed, the engineers also chose an NI quadaxis motion controller based on its high PID loop rates (up to 16 kHz) and price for performance.
New features include faster indexing of the rotary table due to higher torque motors, improved gearing, and better closed-loop control.
Speed profiles are possible and closed-loop control of rotor torque can be achieved.
With G2 managing the optimizer, Dow has achieved closed-loop control over 98 percent of the time.
Among the more unusual blow molding developments at K 2004 was a closed-loop control system that monitors and corrects material distribution in PET containers as they are produced.
ABACO is an advanced control system, which performs the closed-loop control of local combustion conditions based on its cutting-edge monitoring and regulation capabilities.

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