The steady state tracking error to a unit step input R(s) 1 s with Td (s) 0 is a ess K K K2 K2 b ess K K c ess K K(K K2) K d ess K K

Question

The steady state tracking error to a unit step input R(s)   1 s with Td (s)   0 is  a  ess K K K2 K2 b  ess K K c  ess K K(K   K2) K d  ess K K

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Question: The steady-state tracking error to a unit step input R(s) = 1/s with Td (s) = 0 is: a. ess K K+K2 K2 b. ess