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In a control system integral error compensation _______steady state error

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In a control system integral error compensation _______steady state error

(a) Increases

(b) Minimizes

(c) Does not have any effect on steady state error

(d) All of the mentioned

This question was addressed to me in an online interview.

My question is from Stability of Nonlinear System topic in division Nonlinear Systems of Control Systems

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The correct choice is (b) Minimizes

For explanation I would say: Integral compensation is the phase lag compensation as it reduces or minimizes the steady state error by not affecting the damping factor but reducing the natural frequency.

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