Question: The unity feedback system shown in Figure P 9 . 1 with G ( s ) = K ( s + 1 ) ( s

The unity feedback system shown in Figure P9.1 with
G(s)=K(s+1)(s+3)(s+5)
is operating with 10% overshoot.
a. What is the value of the appropriate static error constant?
b. Pind the transfer function of a lag network so that the approptiate static error constant equals 4 without appreciably changing the dominant poles of the uncompensated system.
c. Use MATLAB or any other computer program to sirnulate the system to see the effect of your compersator.
NO MATLAB
The unity feedback system shown in Figure P 9 . 1

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