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Una caracterizacion para la alcanzabilidad de sistemas periodicos ...

Una caracterizacion para la alcanzabilidad de sistemas periodicos ...

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E(0) = E(1) =<br />

A1(1) =<br />

Ad(1) =<br />

⎡<br />

⎢<br />

⎣<br />

⎡<br />

⎢<br />

⎣<br />

⎡<br />

⎢<br />

⎣<br />

B. Cantó, C. Coll, E. Sánchez<br />

1 0 0 0<br />

0 1 0 0<br />

0 0 0 1<br />

0 0 0 0<br />

2 0 0 0<br />

0 4 0 0<br />

0 0 1 0<br />

0 0 0 1<br />

0 0 0 0<br />

0 1 0 0<br />

0 0 0 0<br />

0 0 0 0<br />

⎤<br />

⎥<br />

⎦<br />

⎤<br />

⎥<br />

⎦<br />

⎤<br />

⎥<br />

⎦ A1(0) =<br />

Ad(0) =<br />

⎡<br />

⎢<br />

⎣<br />

⎡<br />

⎢<br />

⎣<br />

B(0) =<br />

1 2 0 0<br />

1 0 0 0<br />

0 0 1 0<br />

0 0 0 1<br />

2 1 0 0<br />

0 0 0 0<br />

0 0 0 0<br />

0 0 0 0<br />

⎡<br />

⎢<br />

⎣<br />

−1<br />

0<br />

0<br />

1<br />

⎤<br />

⎥<br />

⎦<br />

⎤<br />

⎥<br />

⎦<br />

⎤<br />

⎥<br />

⎦<br />

B(1) =<br />

Se consi<strong>de</strong>ran <strong>la</strong>s matrices <strong>de</strong> <strong>alcanzabilidad</strong> <strong>para</strong> cada subsistema, siendo s = 0, 1. Para<br />

s = 0 se obtiene,<br />

R f<br />

4 (I2, A11(·), Ad1(·), B1(·), 0) = S 0 4(0) S 1 4(0) S 2 4(0) S 3 4(0) <br />

= [(A11(1)A11(0)A11(1) + A11(1)Ad1(0) + Ad1(1)A11(1))B1(0),<br />

=<br />

Por otra parte, como q = 1,<br />

Por tanto,<br />

(A11(1)A11(0) + Ad1(1))B1(1), A11(1)B1(0), B1(1)]<br />

<br />

−8 10 −2 3<br />

−8 13 0 1<br />

R b (N(·), I2, B2(·), 0) = [ψN(0, 0)B2(0), ψN(0, 1)B2(1)] =<br />

Para s = 1 se obtiene,<br />

y<br />

Por tanto,<br />

rg (R8(E(·), A1(·), Ad(·), B(·), 0)) = 4 = n.<br />

0 1<br />

1 0<br />

R f<br />

4 (I2, A11(·), Ad1(·), B1(·), 1) = S 0 4(1) S 1 4(1) S 2 4(1) S 3 4(1) <br />

= [(A11(1)A11(0)A11(1) + A11(1)Ad1(0) + Ad1(1)A11(1))B1(1),<br />

=<br />

(A11(1)A11(0) + Ad1(1))B1(0), A11(1)B1(1), B1(0)]<br />

<br />

42 −2 6 −1<br />

28 −4 4 0<br />

R b (N(·), I2, B2(·), 1) = [ψN(1, 1)B2(1), ψN(1, 2)B2(0)] =<br />

rg (R8(E(·), A1(·), Ad(·), B(·), 1)) = 4 = n.<br />

−2 1<br />

1 0<br />

Y por el teorema anterior se concluye que el sistema es alcanzable <strong>para</strong> s = 0, 1.<br />

6<br />

⎡<br />

⎢<br />

⎣<br />

<br />

.<br />

<br />

.<br />

3<br />

1<br />

−2<br />

1<br />

⎤<br />

⎥<br />

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