Question

A feedback system is described on the figure above. a. If K=450 find the number of closed-loop poles located on the RHS, LHSRS) Cs) K s++38+10:2430s+150 0

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Answer #1

AY 1+ 4(3) HY) - + k (54+353 +105°+ 305+150) ک → 1+ k ) 55+354+ 10 53 + 30 s?+1505 + 5 + 354 tlos 3 + 30 s + ISO S +450 = 0 ab) - S5 lo 15 3 30 54 53 K ea 0 s? 4500 -lok 30 309 – (450 k) K sp 4500 OK 0 st 0 0 30 Critical value of k, 4500-10k =0 30 45

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