申論題

5. Consider a second order system G(s) (in Fig. E), of which the nominal value of the parameter A=0.1. Please design a feedforward gain K and PD controller so that the response of the closed loop system can satisfy the both specifications listed below:【計分:15分】

(1) rising time ≦ 0.1sec, overshoot ≦ 10%, steady state error ≦  5% for the unit step reference commandr