MATLAB CONTROL SYSTEM TOOLBOX 9 Guia do Utilizador descarregar pdf (Página 612)

step

11-222

a = [–0.5572 –0.7814;0.7814 0];

b = [1 –1;0 2];

c = [1.9691 6.4493];

sys = ss(a,b,c,0);

step(sys)

The l eft plot shows the step response of the first input channel, and the right

plot shows the step response of the second input channel.

x

·

1

x

·

2

0.5572– 0.7814–

0.7814 0

x

1

x

2

11–

02

u

1

u

2

+=

y

1.9691 6.4493

x

1

x

2

=

Time (sec.)

Amplitude

Step Response

0 5 10 15 20

−4

−2

0

2

4

6

8

10

12

From: U1

0 5 10 15 20

From: U2

1 2 ... 607 608 609 610 611 612 613 614 615 616 617 ... 648 649

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