Tutorial #7

Question #1

For the process described by the exact transfer function

( )

( )( )( )( )

Find an approximate transfer function of second order plus time delay form that describes this process.

Solution:

)15.4)(110()(

6.1

ss

KesG

s

Question #2

A two input/two output process involving simultaneous heating and liquid level changes is illustrated in

the following figure;

Find the transfer function models and expressions for the gains and the time constants for the process.

Solution;