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 ?
color LCD, robot interface, self-diagnostics, closed-loop control of injection speed, holding pressure, screw speed, backpressure.
The rotor is driven from a stepper motor which enables closed-loop control of either shear stress or shear rate to be programmed from the microprocessor controller.
PTI) to create a closed-loop control system for PET stretch-blow molding.
Standard features: Procan MD closed-loop control with digital inputs and outputs, LCD display, variable-volume pump.
It features an advanced Windows-based computer system with sag control and closed-loop control of each heating element via multiple thermocouples.
PIC Microcontroller Has Two Operational Amplifiers, Two High-Speed Comparators and Two-Phase Pulse Width Modulator for Maximum Flexibility in Closed-Loop Control Applications
Elion also uses Netstal's DSP/3 and Sycap closed-loop control with 15-in.
Standard features: Parabolic platen minimizes deflection, tiebars retract with the moving platen; servo and proportional valves, variable-volume pump, color flat-panel control display, SPC, closed-loop control of injection speed, pack and hold pressures, and backpressure.
Designed to implement signal conditioning, filtering, data acquisition, closed-loop control and other analog functions in a wide range of embedded systems, Anadigm(R) FPAAs are the first programmable analog ICs that can adapt on the fly to perform multiple functions, adjust to different environmental conditions, or compensate for aging equipment.
The imported models, to be sold under the Gluco name, have closed-loop control, knock-out and core pull on the fly, plus precise cushion control.
Closed-loop control Options: SPC, robot interface, injectionpressure plotting.
And after Tachyon has identified hot spots in a design, they can be verified with the SEM for closed-loop control of design and manufacturing.

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