FEEDBACK LOOP

Meanings

• noun

  A process where output from a system is fed back into the system to control or regulate its operation.

  - "The temperature control system in a refrigerator uses a feedback loop to maintain the desired temperature."
  - "The cruise control system in a car uses a feedback loop to maintain a constant speed."

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Variants

List of all variants of feedback loop that leads to same result
feedback , feedbacks , feedback inhibition , feedback inhibitions , negative feedback , negative feedbacks , positive feedback , positive feedbacks

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Etymology

origin and the way in which meanings have changed throughout history.

The term 'feedback' comes from the idea of providing information about the performance of an system to allow it to adjust its actions accordingly. The term 'loop' refers to the continuous nature of the process.

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Trivia

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1. The term 'feedback' was first used in the context of electronic amplifiers in the early 20th century.

2. Feedback loops can be used to maintain stability in complex systems, such as the Earth's climate system.

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Related Concepts

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1. Control Theory: A mathematical discipline dealing with the design, realization, and analysis of control systems, which are engineered systems that adjust their behavior automatically based on feedback from the environment or from their own sensors.

2. Regulator: A device or system that automatically adjusts a process or system to maintain a desired level or state.

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Culture

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The concept of feedback loops is widely used in various fields, including engineering, biology, economics, and psychology. It is an essential concept in control theory and is used to design and analyze systems that can maintain a desired state or behavior.

How to Memorize "feedback loop"

1. visualize
   

   - Visualize a system with sensors that measure a variable, such as temperature or speed. Imagine the output from these sensors being sent back to the system to adjust its behavior accordingly.
   - Draw a simple diagram of a feedback loop, with sensors, a controller, and an actuator.

2. associate
   

   - Associate the term 'feedback' with the idea of receiving information about the performance of a system.
   - Think of the term 'loop' as referring to the continuous nature of the process.

3. mnemonics
   

   - Use the mnemonic 'Feedback Fans Back' to remember that feedback is a process where information is fed back into a system to control its behavior.

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