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Sme help with Identification?

  1. Apr 22, 2012 #1
    Hello guys, i am trying to identify the following non linear parameter varying system.
    \begin{equation}
    Y_1(t_{i})}=\frac{Y_1(t_{i-1})+\Delta t.k_{1}.Y_2(t_{i-1})}{\left(1+\Delta.t.\left(k_{1}.Y_2(t_{i-1})+k_{2}.Y_3(t_{i-1})\right)\right)}
    \end{equation}

    \begin{equation}
    Y_2(t_{i})=\frac{U_1(t_{i})}{\left1+\frac{M_1}{U_4(t_{i})}(a\lefta.\frac{1}{2}.k_{1}.Y_1(t_{i})+b.\frac{1}{2}.k_{4}.Y_3(t_{i-1})\right)\right}
    \end{equation}

    \begin{equation}
    Y_3(t_{i})=\frac{U_2(t_{i})}{\left1+\frac{M_2}{U_4(t_{i})}(\left a.k_{2}.Y_1(t_{i})+b.k_{4}.Y_2(t_{i})\right)\right}
    \end{equation}

    \begin{equation}
    Y_4(t_{i})=U_3+\frac{M_3}{M_2}\left(U_2(t_{i})-Y_3(t_{i})\right)
    \end{equation}

    Does any body has an idea about the algorithm that can be used?
    Regards
     
  2. jcsd
  3. Apr 22, 2012 #2
    It seems that i din't write with .tex well, here is a pdf containing the model.
     

    Attached Files:

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