K Gc S S 3 2 S 5 Gp S S 1 8 4 And H S 1 R S R T E S E T Gc S Ge S C S C T H S Fig 1 (17.14 KiB) Viewed 12 times
K Gc S S 3 2 S 5 Gp S S 1 8 4 And H S 1 R S R T E S E T Gc S Ge S C S C T H S Fig 2 (13.08 KiB) Viewed 12 times
K Gc(S) = (s + 3)2 (s + 5) Gp(S) = (s + 1)(8 + 4) and H(S) = 1. R(S) r(t) + E(S) e(t) Gc(s) * Ge(s) C(s) c(t) H(S) ( Figure Q1a
(c) Derive an expression for the open-loop frequency response of the system with respect to K for w+ 0 and w → and hence, show a simple Nyquist sketch of the open-loop response of the system. (6 marks]
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