7/23/2019 Ex Discretizare 1

1/4

Fie partea fixata a unui SRA:

2

0.2( )

2.5 5.5 1F

W ss s

=+ +

Se proiecteaza regulatorul:

1( ) 25 1

5R

W ss

= +

%program de simulare a buclei de reglaresys_wr=tf([125 25],[5 0])sys_wf=tf(02,[25 55 1])sys_d=sys_wr!sys_wfsys_o=feedbac"(sys_d,1)step(sys_o)

0 1 2 3 4 5 6 7 80

0.2

0.4

0.6

0.8

1

1.2

1.4Step Response

Time (sec)

Amplitude

%program de simulare a buclei de reglare cu eleme#tele%discreti$atesys_wr_d=c2d(sys_wr,e,&$o'&)sys_wf_d=c2d(sys_wf,e,&$o'&)sys_d_d=sys_wr_d!sys_wf_dsys_o_d=feedbac"(sys_d_d,1)

step(sys_o)'old o#step(sys_o_d)

7/23/2019 Ex Discretizare 1

2/4

Te=0.5

0 2 4 6 8 10 120

0.2

0.4

0.6

0.8

1

1.2

1.4Step Response

Time (sec)

Amplitude

Te=0.1

0 1 2 3 4 5 6 7 80

0.2

0.4

0.6

0.8

1

1.2

1.4Step Response

Time (sec)

Amplitude

7/23/2019 Ex Discretizare 1

3/4

Te=0.01

0 1 2 3 4 5 6 70

0.2

0.4

0.6

0.8

1

1.2

1.4Step Response

Time (sec)

Amplitude

Schea Siulin! pentru ipleentarea "uclei #e reglare con$i#eran# regulatorul #i$cretizat $iproce$ul continuu. S%a con$i#erat Te=0.1.

7/23/2019 Ex Discretizare 1

4/4