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Simon edited Stability and Convergence Proof.tex
over 9 years ago
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index 4198750..0d94d77 100644
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\section{System analysis}
relative degree 1
order of $G_nm = n$
A transfer function loses its controllability or observability through zero-pole-cancelation \cite{lunze2}.
\begin{align}
F(s) = \frac{1}{\lambda(s)}[1,s,\ldots,s^{n-2}]^T
\\\lambda(s) = a_{n-1}s^{n-1} + a_{n-2}
\end{align}
Therefore it is necessary but not sufficient that the zeros of the transfer function $F(s) = \frac{1}{\lambda(s)}[1,s,\ldots,s^{n-2}]^T$ don't cancel out the roots. The only possible case in which a zero-pole-cancellation occurs is for
F is controllable due to the fact that