Page 493 - Mechanical Engineers' Handbook (Volume 2)

484 Closed-Loop Control System Analysis

Table 3 Loop Transfer Functions
No. G(s) Nyquist Contour Polar Plot

K
1.
s 1
1

K
2.
(s 1)(s 1)
1 2

K
3.
(s 1)(s 1)(s 1)
1
2
3

K
4.
s

K
5.
(s 1)
1