For the designs found in part (a) of Problem 26, evaluate the steady-state error due to a

Question:

For the designs found in part (a) of Problem 26, evaluate the steady-state error due to a unit-ramp command and due to a unit-ramp disturbance.
In problem 26 (a)
Compute the required gain values for each of the following cases.
1. ζ = 0.707
2. ζ =1
3. A root separation factor of 10