Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > A signal other than the reference input that ...
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A signal other than the reference input that tends to affect the value of controlled variable is known as
- a)Disturbance
- b)Command
- c)Control element
- d)Reference input
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A signal other than the reference input that tends to affect the value...
Explanation: Disturbance signal is also the reference signal only there can be multiple inputs in a control system or the other input is called the disturbance signal.
Most Upvoted Answer
A signal other than the reference input that tends to affect the value...
Disturbance in Control Systems
Introduction:
In a control system, the objective is to maintain the value of the controlled variable at the desired value. However, there are certain factors that tend to affect the value of the controlled variable other than the reference input. These factors are known as disturbances.
Disturbance:
A disturbance is any signal that tends to affect the value of the controlled variable other than the reference input.
Examples:
1. In a temperature control system, a sudden change in the environment temperature can be considered as a disturbance.
2. In a speed control system, wind resistance can be considered as a disturbance.
3. In a flow control system, changes in the viscosity of the fluid can be considered as a disturbance.
Effect of Disturbance:
Disturbances tend to affect the value of the controlled variable, which in turn affects the performance of the control system. The effect of disturbance can be minimized by designing the control system to be robust.
Robust Control:
Robust control is a type of control system design that is able to maintain stable performance even in the presence of uncertainties and disturbances.
Conclusion:
Disturbances are an important factor to consider in control system design. By designing the control system to be robust, the effect of disturbances can be minimized, and stable performance can be maintained.
Introduction:
In a control system, the objective is to maintain the value of the controlled variable at the desired value. However, there are certain factors that tend to affect the value of the controlled variable other than the reference input. These factors are known as disturbances.
Disturbance:
A disturbance is any signal that tends to affect the value of the controlled variable other than the reference input.
Examples:
1. In a temperature control system, a sudden change in the environment temperature can be considered as a disturbance.
2. In a speed control system, wind resistance can be considered as a disturbance.
3. In a flow control system, changes in the viscosity of the fluid can be considered as a disturbance.
Effect of Disturbance:
Disturbances tend to affect the value of the controlled variable, which in turn affects the performance of the control system. The effect of disturbance can be minimized by designing the control system to be robust.
Robust Control:
Robust control is a type of control system design that is able to maintain stable performance even in the presence of uncertainties and disturbances.
Conclusion:
Disturbances are an important factor to consider in control system design. By designing the control system to be robust, the effect of disturbances can be minimized, and stable performance can be maintained.
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