Prévia do material em texto
Problem 3.49PP Consider the following second-order system with an extra pole; «W = ;( *+ P )(^ + 2f Show that the unit-step response is y(0 = 1 +Ae~^ +Be-^* an(coat - e), where A = «3-2»P s(s+p)(s“ +25ti>i,s+ti>«’ ) Y ( s ) = ^ + ^ + Step 2 of 5 Solving, we get K i= l K j= A V And 2 2 ^ ( K ’ )(p=-2?avP+aw’ )