A feedback control system in which the control signal is a discontinuous function of the sensed error and may therefore assume one of a limited number of discrete values. 
A feedback control system in which the control signal is a discontinuous function of the sensed error and may therefore assume one of a limited number of discrete values. 
Related Terms 
LOOP GAIN

COMPUTERCONTROLLED SYSTEMA feedback control system in which a computer operates on both the input signal and the feedback signal to effect control. 
NONLINEAR FEEDBACK CONTROL SYSTEMFeedback control system in which the relationships between the pertinent measures of the system input and output signals cannot be adequately described by linear means. 
DISCRETE SYSTEMA control system in which signals at one or more points may change only at discrete values of time. Also known as discretetime system. 
FEEDBACK COMPENSATIONImprovement of the response of a feedback control system by placing a compensator in the feedback path, in contrast to cascade compensation. Also known as parallel compensation. 
PHOTOELECTRICLOOPCONTROL[CONTSYS] Aphotoelectric control system used as a position regulator for a loop of material passing from one stripprocessing line to another that may travel at a different speed. Also known as loop control. 
MINOR LOOPA portion of a feedback control system that consists of a continuous network containing both forward elements and feedback elements. 
CONTROLSYSTEM FEEDBACKA signal obtained by comparing the output of a control system with the input, which is used to diminish the difference between them. 
DEAD TIME

INTEGRALMODE CONTROLLERA controller which produces a control signal proportional to the integral of the error signal. 
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