fctntransfertetshemabloc.py

Created by raph-couvert

Created on May 03, 2024

943 Bytes


G(s) = Y(s)/E(s)

sortie Y et entree E

-avec condition initiales tjr nulles
- G(s) independante de l'entree

echelon unité (heavyside) e(t)=U(t)

 Y(s) = G(s)/s
 y(t) = L^−1(G(s)

rampe unité e(t)= tU(t)
Y(s) = G(s)/s^2
 y(t) = L^−1(G(s)
 
 
 
 
 shema blocs :
   
   parallele : addition (G1+G2)
   en serie : multiplie
   
   système en boucle fermé :
   
   x(s)       E(s)      Y(s)
   ------->+x ---->G(s)----->
            -            |
            | M(s)       |
            |<----H(s)<----
               
   Y(s)/X(s)= G(s)/(1+G(s)H(s))
   
   et si + au lieu du - :
     
     = G(s)/(1-G(s)H(s))
     
     
 si retour unitaire 
 (comme boucle fermé sans bloc en bas)
 
 X(s)     E(s)        Y(s)
 ------->+x---->H(s)------->
          -
          |              |
          |<-------------|
 
 = G(s)/1+G(s)
 
 
 on simplifie d'abord les boucles
 les plus imbriquées 
   
   
   
   
   
   

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