siperfo.py

Created by condouarthur

Created on June 01, 2022

774 Bytes


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H(p)=S(p)/E(p)


1ER ORDRE

Asymptote t->+infini : KE0
Valeur origine : s(0)=0
Tangente origine : ds(0)/dt=KE0/T

t=T  : 63%
t=2T : 86%
t=3T : 95%


2ND ORDRE

Amortissement Z :
Z<1 : faible : 2 racines complexes (système oscillant)
Z=1 : critique : 1 racine réelle
Z>1 : important : 2 racines réelles (faux premier ordre)

Rapidité :
Systèmes les plus rapides
Z=0,7 : 1 dépassement
Z=1 : sans dépassement

Asymptote t->+infini : KE0
Valeur origine : s(0)=0
Tangente origine: ds(0)/dt=KE0/T

Wp = (1-Z2) pseudo-pulsation
Tp = 2π/Wp pseudo-période


Dépassements :

Instant du dépassement K
t(k)=(k*Tp)/2

Dépassement k%
D(k%)=exp((-kπZ/(1-Z2))

Amortissement
Z=(1+(k2π2/ln2(D(k%)))

Pulsation non amortie
W0=/(t(k)(1-Z2)

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