diff options
Diffstat (limited to '257/CH9/EX9.26/example_9_26.sce')
| -rw-r--r-- | 257/CH9/EX9.26/example_9_26.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/257/CH9/EX9.26/example_9_26.sce b/257/CH9/EX9.26/example_9_26.sce new file mode 100644 index 000000000..82154dd9d --- /dev/null +++ b/257/CH9/EX9.26/example_9_26.sce @@ -0,0 +1,16 @@ +s=%s
+sys=syslin('c',((k)*(s^2-2*s+5))/((s+2)*(s-0.5)))
+clf
+evans(sys)
+
+//stability
+
+[Ki,s]=kpure(sys)
+disp(Ki)
+
+//damping ratio 0.5
+
+f=(-0.3+%i*0.55)
+disp("k for damping ratio 0.5 is")
+disp(abs(((f+2)*(f-0.5)))/(f^2-2*f+5))
+
|