📄 systprop.htm
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<TITLE>FDC help: SYSTPROP</TITLE>
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<H2>The utility <I><FONT FACE="Arial","Helvetica","Sans Serif">SYSTPROP</FONT></I></H2>
<I><FONT SIZE=2 FACE="Arial","Helvetica","Sans Serif">SYSTPROP</FONT></I> computes the following properties of a linear system:
<PRE> 1. time constant tau
2. natural frequency of undamped system w0
3. eigenfrequency of the system wn
4. period P
5. damping factor zeta
6. percentage overshoot PO
7. peak-time Tpeak
8. settling time Tset
9. halve-time Thalve
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Conclusions are displayed on screen and stored in the file <SMALL>SYSTPROP.DAT</SMALL>.<BR><BR>
<CODE>[X,Y] = systprop(A,B,C,D)</CODE> or <CODE>[X,Y] = systprop(A)</CODE> will return the system properties in the matrix <I>X</I> and the eigenvalues of <I>A</I> in the columnvector <I>Y</I>. The matrix <I>X</I> is defined as: <I>X = [tau, w0, wn, P, zeta, PO, Tpeak, Tset, Thalve]</I>.<BR><BR>
<CODE>[X,Y] = systprop(num,den)</CODE> will evaluate the equivalent transfer function representation. <BR><BR>
<CODE>systprop(Y)</CODE> returns the vector <I>X</I> if <I>Y</I> contains the eigenvalues of a system in a columnvector.
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