The following open-loop transfer functions can be represented by signal-flow graphs in parallel form.

i.

ii.

For each, do the following:

a. Draw the signal-flowgraph and show the state-variable feedback.

b. Find the closed-loop transfer function with state variable feedback.

Transcribed Image Text:

50(s? + 7s + 25) s(s + 10)(s + 20) G(s) =