systprop.htm

来自「MATLAB在飞行动力学和控制中应用的工具」· HTM 代码 · 共 29 行

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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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