Sheet_4.pdf
-
Upload
abdelrahman-saad -
Category
Documents
-
view
221 -
download
1
Transcript of Sheet_4.pdf
Modern University for Modern Sciences and Arts
Faculty of Engineering
Automatic Control System
ESE 346/ESE416
Sheet – 4
----------------------------------------------------------------------
Problem 1:
Obtain the transfer function for the system shown using Mason’s Rule.
Problem 2:
A signal flow graph is shown below. Use Mason’s formula to find the transfer
function Y(s)/R(s).
Problem 3: (assignment)
A signal flow graph is shown below. Use Mason’s formula to find the transfer
function Y(s)/R(s) using Mason's Gain Formula.
-H2
-H1
G1 G2 G3 G4 1 Y(s)
1
-1
-H1
-H3
1 G1 G2 G6 G3
G5
Y(s) R(s) G4
-H2
-H2
-H3
1 G1 G2 G6 G3
G7
G5
Y(s) R(s) G4
G8
-H4
-H1
Problem 4:
Determine the zeros-poles of the following open loop transfer function
GH(S) = 10 (S+1) / (S+2)(S+3)
Problem 5:
Sketch the root-locus diagram for the following open loop transfer functions
G(s)H(s)= K / [S(S+2)(S2+2S+2)]
G(s)H(s)= K (S+1)(S+4)(S+7) / [S(S+3)(S2+2S+2)]