Repeat Problem 3 for G(s) = K/s(s + 3)(s + 7).

Data from Problem 3:

The unity feedback system shown in Figure P9.1 with

is operating with 10% overshoot.

a. What is the value of the appropriate static error constant?

b. Find the transfer function of a lag network so that the appropriate static error constant equals 4 without appreciably changing the dominant poles of the uncompensated system.

c. Use MATLAB or any other computer program to simulate the system
to see the effect of your compensator.

K G(s) = %3D (s+ 2)(s + 3)(s+ 7)