Question

\text { Refer to Figure } 2 \text { in Question } 2, \text { let } G_{p}(s)=1, \text { and } G(s)=\frac{1}{s(s+1)(s+4)} \text { . } It is required the closed-loop system to have a percent overshoot of less than 13% with a steady state error for a unit ramp input less than 0.125. Design a suitable controller to meet the specifications.Show your full workings and include any relevant MATLAB codes and figures to validate your design.

Fig: 1

Fig: 2