Homework 2

1

Homework 2

Problem 1

Find the transfer function of the system shown in Fig.problem1 (Mason rule)

Fig.problem1

Problem 2

Known the system shown in Fig.problem2.

Find the systems transfer function ( ) / ( )C s R s (By block diagram reduction

and Mason rule respectively)

R(s) C(s)1( )G s 2( )G s 3( )G s

1( )H s

4( )G s

2( )H s

3( )H s

+

+A B C

D

Fig.problem2

G1 G2 G3 G4

R C