18.08.2013 Views

Show PDF File - robotics - Universidad de Zaragoza

Show PDF File - robotics - Universidad de Zaragoza

Show PDF File - robotics - Universidad de Zaragoza

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

G a ∈ Ni i ∈ Va <br />

J Va i ∈ J Va <br />

<br />

Υij = 0 if Ni ⊆ J , and Υij = <br />

Bij ≻ 0, otherwise. <br />

j∈J<br />

j∈J<br />

j∈Ni\J<br />

G J Va <br />

i ∈ J J a <br />

<br />

j∈J Υij ≻ 0 <br />

u2, . . . , un = 1 Υ ∈ M p<br />

n−1 Υ <br />

Υ + ΥT ∈ M p<br />

n−1 ρ(D−1N) < 1<br />

G Σz1, . . . , Σzm <br />

m p− Σz <br />

i ∈ V <br />

ˆx a i (t) i ∈ V<br />

lim<br />

t→∞ ˆxa i (t) = ˆx a i , <br />

ˆx a i <br />

<br />

ˆx a V Σˆx a <br />

V<br />

a ˆx cen<br />

V Σˆx cen <br />

V<br />

<br />

ˆx cen<br />

V = (I − Hcen) ˆx a V, Σˆx cen<br />

V = (I − Hcen) Σˆx a V (I − Hcen) T , <br />

where Hcen = (1n ⊗ Ip) (1n ⊗ Ip) T /n.<br />

ˆx cen<br />

V<br />

Σˆx cen<br />

V<br />

<br />

<br />

<br />

blkTr <br />

<br />

Σˆx cen<br />

V<br />

Σˆx a V<br />

blkTr Σˆx cen<br />

V<br />

<br />

a ∈ V<br />

<br />

blkTr Σˆx a <br />

, V<br />

<br />

Tr Σˆx cen<br />

<br />

≤ Tr Σˆx V<br />

a <br />

. V <br />

Pij Qij p × p <br />

Σˆx a V = [Pij] Σˆx cen<br />

V = [Qij] i, j ∈ V <br />

<br />

blkTr Σˆx a V<br />

=<br />

n<br />

Pii. <br />

P = [Pij] i, j ∈ {1, . . . , n} <br />

blkTr(P ) = n<br />

i=1 Pii<br />

<br />

i=1

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!