A unity feedback system has a loop transfer function where K = 1 / 2and T =
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where K = 1 / 2and T = 1. The polar plot for Gc(jÏ)G(jaÏ) is shown in Figure E9.24. Determine whether the system is stable by using the Nyquist criterion.
FIGURE E9.24
Polar plot for Gc(s)G(s) = K/(-1 + TS).
Transcribed Image Text:
L(s) = Gc(s)G(s)--1-s , 0 2
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