Electronics and Communication Engineering (ECE) Exam > Electronics and Communication Engineering (ECE) Questions > Assertion (A): Closed loop control systems ar...
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Assertion (A): Closed loop control systems are known as feedback control systems.
Reason (R): In closed loop control systems, the control action is dependent on the desired output.
Reason (R): In closed loop control systems, the control action is dependent on the desired output.
- a)Both A and R are true and R is a correct explanation of A.
- b)Both A and R are true but R is not a correct explanation of A.
- c)A is true but R is false.
- d)A is false but R is true.
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Assertion (A): Closed loop control systems are known as feedback contr...
- In closed loop system there is the presence of a feedback path and this feedback path has connected from output of the system to the input of the system.
- The whole operation is controlled by the output of the system.
Most Upvoted Answer
Assertion (A): Closed loop control systems are known as feedback contr...
Closed Loop Control Systems and Feedback Control Systems
Closed loop control systems are also known as feedback control systems. This is because they rely on feedback to adjust and regulate their output.
In a closed loop control system, the output is compared to a desired setpoint or reference signal. This comparison produces an error signal, which is fed back to the controller. The controller then adjusts the input to the system in order to reduce the error and bring the output closer to the desired setpoint.
The use of feedback in closed loop control systems provides several advantages, including:
- Improved accuracy and precision: Feedback allows the system to adjust for disturbances and changes in the process, leading to better control and more consistent output.
- Robustness: Closed loop control systems are typically more robust to unmodeled or uncertain disturbances, as the feedback allows the system to adapt and compensate.
- Stability: Feedback helps to stabilize the system, preventing it from oscillating or becoming unstable.
Dependence of Control Action on Desired Output
Another key characteristic of closed loop control systems is that the control action is dependent on the desired output. This is because the feedback loop compares the actual output to the desired output, and the control action is adjusted accordingly.
For example, consider a temperature control system. The desired output might be a specific temperature setpoint, and the actual output might be the current temperature measured by a sensor. The feedback loop compares these two values and produces an error signal, which is used to adjust the input to the system (e.g. the power supplied to a heater). The amount of power supplied to the heater is dependent on the difference between the measured temperature and the desired setpoint - in other words, the control action is directly tied to the desired output.
Conclusion
In summary, closed loop control systems are known as feedback control systems because they rely on feedback to regulate their output. The control action in closed loop systems is dependent on the desired output, as the feedback loop compares the actual output to the desired setpoint and adjusts the control action accordingly.
Closed loop control systems are also known as feedback control systems. This is because they rely on feedback to adjust and regulate their output.
In a closed loop control system, the output is compared to a desired setpoint or reference signal. This comparison produces an error signal, which is fed back to the controller. The controller then adjusts the input to the system in order to reduce the error and bring the output closer to the desired setpoint.
The use of feedback in closed loop control systems provides several advantages, including:
- Improved accuracy and precision: Feedback allows the system to adjust for disturbances and changes in the process, leading to better control and more consistent output.
- Robustness: Closed loop control systems are typically more robust to unmodeled or uncertain disturbances, as the feedback allows the system to adapt and compensate.
- Stability: Feedback helps to stabilize the system, preventing it from oscillating or becoming unstable.
Dependence of Control Action on Desired Output
Another key characteristic of closed loop control systems is that the control action is dependent on the desired output. This is because the feedback loop compares the actual output to the desired output, and the control action is adjusted accordingly.
For example, consider a temperature control system. The desired output might be a specific temperature setpoint, and the actual output might be the current temperature measured by a sensor. The feedback loop compares these two values and produces an error signal, which is used to adjust the input to the system (e.g. the power supplied to a heater). The amount of power supplied to the heater is dependent on the difference between the measured temperature and the desired setpoint - in other words, the control action is directly tied to the desired output.
Conclusion
In summary, closed loop control systems are known as feedback control systems because they rely on feedback to regulate their output. The control action in closed loop systems is dependent on the desired output, as the feedback loop compares the actual output to the desired setpoint and adjusts the control action accordingly.
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Assertion (A): Closed loop control systems are known as feedback contr...
In close loop system there is presence of a feedback path.
and this feedback path has connected from output of the system to the input of the system. the whole operation control by output of the system.
and this feedback path has connected from output of the system to the input of the system. the whole operation control by output of the system.
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Assertion (A): Closed loop control systems are known as feedback control systems.Reason (R): In closed loop control systems, the control action is dependent on the desired output.a)Both A and R are true and R is a correct explanation of A.b)Both A and R are true but R is not a correct explanation of A.c)A is true but R is false.d)A is false but R is true.Correct answer is option 'A'. Can you explain this answer?
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