Modern University for Modern Sciences and Arts

Faculty of Engineering

Automatic Control System

ESE 346/ESE416

Sheet 3

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Problem 1:

A negative feedback control system shown

Obtain the impulse response and the unit step response.

-

Problem 2:

Find the transfer function for the system shown.

R

-

+

+

1/ (s+1) R C

G(s) C

H2(s)

H1(s)

Problem 3:

Consider the system shown. Reduce the Block Diagram, and determine the

overall T.F C(s)/R(s). All feedbacks are negative

Problem 4:

Consider the system in Fig . Reduce the Block Diagram ,and determine the

overall T.F C(s)/R(s). Feedback is negative

G2

G1 G3 G4

G8

G7

R C G5

G6

G9

G3

G4

G2 R C

G1

G5

Problem 5:

Obtain C(s)/R(s) for the following block diagrams

Problem 6:

Consider the system in Fig . Reduce the Block Diagram ,and determine the

overall T.F C(s)/R(s). Feedback is negative

Problem 7:

Consider the system shown. Obtain Kp, Kv, Ka, and its steady state error.

R

10/[s(4s+1)] C

10

G2

G1 G3 G5

G6

G4 R C

Problem 8: (assignment)

Consider the system shown. Obtain Kp, Kv, Ka, and its steady state error.

R

1/s C

1/s+2

1/s+1