control circuit
Definition
- Noun:
- A feedback circuit that subtracts from the input: A control circuit is an electronic circuit that uses feedback to compare the actual output of a system with a desired input or setpoint. It then generates a control signal that is subtracted from the input to reduce any error and regulate the system's performance.
Usage Examples
- Noun:
- The thermostat uses a control circuit to maintain a constant room temperature.
- Engineers designed a new control circuit to improve the robot's precision.
- A malfunction in the control circuit caused the system to become unstable.
Advanced Usage
- In Control Theory: In technical contexts, a control circuit is a fundamental component of a closed-loop control system, often specifically referring to a negative feedback loop where the feedback signal is subtracted from the reference input.
- The stability of the amplifier is ensured by its internal control circuit.
Variants and Related Words
- Feedback Loop: A broader term for the complete path of signal from output back to input.
- Closed-loop Control: A system that uses feedback to automatically adjust its operation.
- Error Amplifier: A specific component within a control circuit that amplifies the difference between the input and feedback signals.
Synonyms
- Regulator Circuit: A circuit designed to maintain a specific parameter.
- Negative Feedback Circuit: A circuit where the feedback signal opposes the input.
Related Phrases
- To implement a control circuit: To design and install such a circuit in a system.
- They needed to implement a control circuit to manage the motor's speed.
Noun
-
a feedback circuit that subtracts from the input
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