Overall transfer function for a block diagram

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rezarafiq
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Homework Statement


finding the overall transfer equation


Homework Equations


not sure which equation to use


The Attempt at a Solution


unsure how to solve this, don't know where to start off from
 
Attachments
  • Block diagram with input R entering a summing junction with a minus sign on the feedback path; the summed signal feeds G1 and also G3, which both feed a second summing junction, then G2 to output C; H1 feeds back from the output of G1 to the first summing junction.
    Q2.jpg
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Discussion

i have made an attempt to this. Can someone please advise me if my answer is correct.
 
Attachments
  • Handwritten block diagram reduction in four steps: a feedback loop with G1 and G3 in forward path and G4 feedback becomes G1+G3 over 1+(G1+G3)G4, then cascaded with G2 giving G2(G1+G3)/(1+(G1+G3)G4) from R to C.
    photo.JPG
    42.8 KB · Views: 539

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