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PI controller:

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in Control Systems by (105k points)
PI controller:

(a) Decreases steady state error and improves stability

(b) Rise time decreases

(c) Transient response becomes poorer

(d) Increases steady state error

This question was addressed to me in semester exam.

I would like to ask this question from Cascade Compensation in Time Domain topic in section Design of Control Systems

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Correct option is (c) Transient response becomes poorer

For explanation: In Proportional and Integral controller which is the extension of the integral controller which improves the steady state response but transient response becomes poorer.

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