The open loop transfer function of DC motor is shown in below. With K = 2 and p = 2. G(s) = K/ s(s+p)(s+20) Design PD controller Gc(s) = Kp + KdS to achieve a percent peak overshoot P.O. ≤ 10% to a unit step input and a settling time (with 2% criteria) Ts ≤ 5 s.