AME 11 Q3

1 / 3

Explain proportional bandwidth in control terms.

B) Proportional bandwidth is the range of frequencies over which the proportional controller effectively responds to changes in the process variable.

C) Proportional bandwidth is the width of the proportional band within which the control action is active and varies linearly with the error.

D) Proportional bandwidth describes the extent to which the proportional controller can correct errors before reaching the maximum output.

A) Proportional bandwidth refers to the range of input values for which the proportional controller provides a linear response.

2 / 3

Explain integral action in control terms.

C) Integral action is the component of the control system that responds to changes in the process variable by varying the gain of the proportional controller.

A) Integral action refers to the ability of a control system to eliminate steady-state error by continuously adjusting the control output based on the accumulated error over time.

D) Integral action refers to the system’s ability to anticipate future errors based on the current rate of change in the process variable.

B) Integral action describes the process of adjusting the control output proportionally to the rate of change of the error.

3 / 3

Explain derivative action in control terms.

C) Derivative action adjusts the control output based on the proportional deviation from the setpoint, with no regard to the rate of change.

B) Derivative action describes the process of integrating the accumulated error over time to adjust the control output.

D) Derivative action is the component of the control system that maintains the steady-state error by constantly adjusting the control output proportionally.

A) Derivative action involves adjusting the control output based on the rate of change of the error, aiming to predict future errors and reduce overshoot.

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