Question

Sketch the root locus of the unity feedback system shown in Figure P8.3, where G)(1s and find the break-in and breakaway points. [Sec- tion: 8.5

Answer 1

Root Locus and Break-in and Breakaway Points:
Solution :- KCSt3) (S+S) CS+) Cs-1) step (I ) :-- Find He poles and zero oles :- Check the denominater s--1 , and s= 乙eros check the numera π S+3 S+S) Ples Drawinq the real and imasinary axis' pole Rect locus てero ZeD

Nouw Break auay and break-in points break -In bolnts: for that hexa unity faedback system HCS) 1 2 for break -aa and break In points: I<

3 3 2. 2. oY 2. S1 and S23 Solvina his albove equation S4 - -3. 785 Ans ω er This s break-ín and break auwax points