Question

N R(s) c(s) 7 23 2 3 2 2 N

If the gain formula is applied for the signal flow diagram given in Figure 1 what is the relationship between entry and exit?

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Answer #1

firstly deduct the block diagram and than draw the signal flow graph, and than by using mason's gain formula we can calculate the gain between the input and output.Quey first and we will deduct the given block diagram sigual flow graph for given system, than the drow the 2 + cas ) Ris) fNow, lets draw the sigual flow graph, RS) 23 CS) 2 3 4 Kle New according Masons Gain formula, Cos) hs - kal Pk Ak A Ris) Pks ) do [{1+ 22 +23+4 1-[-161 +24+46 - 120.75] 1-[- 211.75] - 1 212.75 = cis) Ris) AMS Pk Ak A Cis) RIS) 966X1 212.75 4.54 C(s

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