題組內容

5.Consider a control system with the following loop transfer function
62022b406b685.jpg-∞≤K≤∞

(a) A Nyquist path is shown in Fig. 1.
62022b88f37af.jpg
Sketch the Nyquist plot of this system for K ＞0 in accordance with fig. 1, and indicate clearly I. the
intersection(s) of the Nyquist plot with real and imaginary axes if any II. each mapping of point
a:(0+jω,ω→∞⁺),6:(0+jω,ω→0⁺),c:(62022bf813198.jpg,φ→0⁺)and d:(0-jω,ω→∞⁺) in your

plot.