1. Consider a unity feedback control system given below, where the transfer function of the plant G(s) = (s + 3)/(s + 1)(s + 2), and the transfer function of the controller Gc(s),
申論題內容
(d). According to (c), determine the range of K, so that the unity feedback control
system is stable. (2%)
R(s) C(s)
Gc(s) G(s)