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Diffstat (limited to '257/CH11/EX11.16/example_11_16.sce')
| -rw-r--r-- | 257/CH11/EX11.16/example_11_16.sce | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/257/CH11/EX11.16/example_11_16.sce b/257/CH11/EX11.16/example_11_16.sce new file mode 100644 index 000000000..41a70a55a --- /dev/null +++ b/257/CH11/EX11.16/example_11_16.sce @@ -0,0 +1,13 @@ +//solving the block diagram.. we have GH=k*(s+2)/s^2
+s=poly(0,'s');
+F=syslin('c',[k*(s+2)/(s^2)])
+
+x=2*tan(50*%pi/180) //50 = 180 + atan((x/2)) - 180
+disp(x,"omegaGC = ")
+
+k=(x^2)/sqrt(4+x^2) // |k|*sqrt(4+x^2)/(x^2) = 1
+disp(k,"for PM=50 K is ")
+
+[GainMargin,freqGM]=g_margin(F) //Calculates gain margin [dB] and corresponding frequency [Hz]
+disp(GainMargin,"GM=")
+
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