題組內容

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),
62a05eb847803.jpg

(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)