Compare Integral controller with derivative controller.

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Compare Integral controller with derivative controller.

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 Integral controller Derivative controller Output of integral controller is proportional to integration of error signal Output of Derivative controller is proportional to time derivative of error signal For constant error integral output increases with time For constant error derivative output is zero It improves steady state performance Improves dynamic performance. Sudden disturbance will not cause any integral action Sudden disturbance saturates derivative output Noise insensitive Noise sensitive and may cause unnecessary control action.

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