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Institut für Allgemeine Elektrotechnik, Uni Rostock - Universität ...

Institut für Allgemeine Elektrotechnik, Uni Rostock - Universität ...

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A sufficient stability<br />

condition is<br />

G<br />

( Δt<br />

) ≤1<br />

( ∀Δt<br />

)<br />

since this also involves<br />

m<br />

( t) G( t)<br />

G Δ ≤ Δ ≤1.<br />

Then, for y<br />

y<br />

Stability<br />

( Δt<br />

) ≤ ( ∀Δt<br />

)<br />

G( Δt<br />

)<br />

A sufficient condition for G 1<br />

λ<br />

G<br />

≤ 1<br />

( m)<br />

m<br />

we get<br />

( m) ( m−1) m ( 0) m ( 0) ( 0)<br />

= Gy = … = G y ≤ G ⋅ y ≤<br />

i.e. the solution norm stays bounded (note: no excitation assumed!)<br />

for all eigenvalues of<br />

different recursion methods w.r.t. their stabilty.<br />

i<br />

y<br />

,<br />

is<br />

. It may be used to study<br />

Prof. Dr. Ursula van Rienen, <strong>Uni</strong>versität <strong>Rostock</strong>, Fakultät <strong>für</strong> Informatik und <strong>Elektrotechnik</strong> (IEF), <strong>Institut</strong> <strong>für</strong> <strong>Allgemeine</strong> <strong>Elektrotechnik</strong> (IAE)<br />

14

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