system, information-feedback - определение. Что такое system, information-feedback
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Что (кто) такое system, information-feedback - определение

STABILITY MECHANISM WHICH OCCURS WHEN SOME FUNCTION OF THE OUTPUT OF A SYSTEM, PROCESS, MECHANISM IS FED BACK IN A MANNER THAT TENDS TO REDUCE THE FLUCTUATIONS IN THE OUTPUT, WHETHER CAUSED BY CHANGES IN THE INPUT OR BY OTHER DISTURBANCES
Negative feedback control system; Negative feedback loop; Negative Feedback; Negative-feedback; Reverse feedback; Inverse feedback; Negative feedback inhibition; Servo loop; Single-loop servomechanism; Balancing feedback; Suppressing feedback
  • The [[ballcock]] or float valve uses negative feedback to control the water level in a cistern.
  • Basic error-controlled regulator loop
  • fly-ball governor]] is an early example of negative feedback.
  • chapter-url=https://books.google.com/books?id=_UVb4cxL0c0C&pg=SA16-PA2}}</ref>
  • Blood glucose levels are maintained at a constant level in the body by a negative feedback mechanism. When the blood glucose level is too high, the pancreas secretes insulin and when the level is too low, the pancreas then secretes glucagon. The flat line shown represents the homeostatic set point. The sinusoidal line represents the blood glucose level.
  • publisher=Newnes}}
</ref> The feedback is negative if &beta;''A''&thinsp;>0.
  • pages=6, 9}}</ref>

feedback         
  • right
  • D-type flip flops]]
  • alt=
  • op-amp relaxation oscillator]]
  • An example of a negative feedback loop with goals
  • A positive feedback loop example
  • Maintaining a desired system performance despite disturbance using negative feedback to reduce system error
PROCESS IN WHICH INFORMATION ABOUT THE PAST OR THE PRESENT INFLUENCES THE SAME PHENOMENON IN THE PRESENT OR FUTURE; IT OCCURS WHEN OUTPUTS OF A SYSTEM ARE ROUTED BACK AS INPUTS AS PART OF A CHAIN OF CAUSE-AND-EFFECT THAT FORMS A CIRCUIT OR LOOP
Feedback loop; Feedback loops; Feed-back; Sensory feedback; Feedback mechanism; Electronic feedback loop; Feedback circuit; Feedback Inhibition; Fb control; Feedback diagram; Feed back control; Feedback control; Reflexive feedback; Feedback Control; Feedback effect; Electronic feedback loops; Feedback signal
1.
If you get feedback on your work or progress, someone tells you how well or badly you are doing, and how you could improve. If you get good feedback you have worked or performed well.
Continue to ask for feedback on your work...
I was getting great feedback from my boss.
N-UNCOUNT: oft N prep
2.
Feedback is the unpleasant high-pitched sound produced by a piece of electrical equipment when part of the signal that comes out goes back into it.
N-UNCOUNT
Feedback         
  • right
  • D-type flip flops]]
  • alt=
  • op-amp relaxation oscillator]]
  • An example of a negative feedback loop with goals
  • A positive feedback loop example
  • Maintaining a desired system performance despite disturbance using negative feedback to reduce system error
PROCESS IN WHICH INFORMATION ABOUT THE PAST OR THE PRESENT INFLUENCES THE SAME PHENOMENON IN THE PRESENT OR FUTURE; IT OCCURS WHEN OUTPUTS OF A SYSTEM ARE ROUTED BACK AS INPUTS AS PART OF A CHAIN OF CAUSE-AND-EFFECT THAT FORMS A CIRCUIT OR LOOP
Feedback loop; Feedback loops; Feed-back; Sensory feedback; Feedback mechanism; Electronic feedback loop; Feedback circuit; Feedback Inhibition; Fb control; Feedback diagram; Feed back control; Feedback control; Reflexive feedback; Feedback Control; Feedback effect; Electronic feedback loops; Feedback signal
Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop. The system can then be said to feed back into itself.
feedback         
  • right
  • D-type flip flops]]
  • alt=
  • op-amp relaxation oscillator]]
  • An example of a negative feedback loop with goals
  • A positive feedback loop example
  • Maintaining a desired system performance despite disturbance using negative feedback to reduce system error
PROCESS IN WHICH INFORMATION ABOUT THE PAST OR THE PRESENT INFLUENCES THE SAME PHENOMENON IN THE PRESENT OR FUTURE; IT OCCURS WHEN OUTPUTS OF A SYSTEM ARE ROUTED BACK AS INPUTS AS PART OF A CHAIN OF CAUSE-AND-EFFECT THAT FORMS A CIRCUIT OR LOOP
Feedback loop; Feedback loops; Feed-back; Sensory feedback; Feedback mechanism; Electronic feedback loop; Feedback circuit; Feedback Inhibition; Fb control; Feedback diagram; Feed back control; Feedback control; Reflexive feedback; Feedback Control; Feedback effect; Electronic feedback loops; Feedback signal
<electronics> Part of a system output presented at its input. Feedback may be unintended. When used as a design feature, the output is usually transformed by passive components which attenuate it in some manner; the result is then presented at the system input. Feedback is positive or negative, depending on the sign with which a positive change in the original input reappears after transformation. Negative feedback was invented by Black to stabilise vacuum tube amplifiers. The behaviour becomes largely a function of the feedback transformation and only minimally a function of factors such as transistor gain which are imperfectly known. Positive feedback can lead to instability; it finds wide application in the construction of oscillators. Feedback can be used to control a system, as in {feedback control}. (1996-01-02)

Википедия

Negative feedback

Negative feedback (or balancing feedback) occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances.

Whereas positive feedback tends to lead to instability via exponential growth, oscillation or chaotic behavior, negative feedback generally promotes stability. Negative feedback tends to promote a settling to equilibrium, and reduces the effects of perturbations. Negative feedback loops in which just the right amount of correction is applied with optimum timing can be very stable, accurate, and responsive.

Negative feedback is widely used in mechanical and electronic engineering, and also within living organisms, and can be seen in many other fields from chemistry and economics to physical systems such as the climate. General negative feedback systems are studied in control systems engineering.

Negative feedback loops also play an integral role in maintaining the atmospheric balance in various systems on Earth. One such feedback system is the interaction between solar radiation, cloud cover, and planet temperature.