Controllers play which of the following role in the control system?

Electronics and Communication Engineering (ECE) : Automatic Control Systems - Quiz(MCQ)

They amplify the signals going to the actuator

They try to reduce steady state error optimizes overshoot

They act on the error signal coming out of the summing junction and output a suitable to the actuator

All of the above

Correct Answer : Option (A) : They amplify the signals going to the actuator

Explanation : Controller amplify the signals going to the actuator and they are of many types as proportional, integral, derivative some combinational controller a combination of two controllers and combination of all the controllers.

Recently Updated in Automatic Control Systems Questions

For a quadratic factor in denominator of transfer function the phase angle at corner frequency (in Bode phase angle plot)

is +90Â°

is -90Â°

depends on the damping factor

None of the above

Correct Answer : is -90Â°

The response to sinusoidal excitation can be found by

setting s = jÏ‰ in the network function

setting s = -jÏ‰ in the network function

taking inverse transform of network function

None of the above

Correct Answer : setting s = jÏ‰ in the network function

The resolution of a wire wound potentiometer is about

0.1%

0.001%

Correct Answer : 0.1%

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