hi can explain how do this algebra?
Papabravo Joined Feb 24, 2006 22,082 Oct 3, 2015 #3 The summing block with two "plus" inputs represents the sum: \(V_4(s) + \frac{V_4(s)}{G_2(s)}\) So you can replace that with a single block having the indicated transfer function and an input of \(V_4(s)\) Two cascaded blocks represents the multiplication of the two transfer functions.
The summing block with two "plus" inputs represents the sum: \(V_4(s) + \frac{V_4(s)}{G_2(s)}\) So you can replace that with a single block having the indicated transfer function and an input of \(V_4(s)\) Two cascaded blocks represents the multiplication of the two transfer functions.