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diff --git a/3885/CH5/EX5.28/Ex5_28.sci b/3885/CH5/EX5.28/Ex5_28.sci new file mode 100644 index 000000000..64e45a9dd --- /dev/null +++ b/3885/CH5/EX5.28/Ex5_28.sci @@ -0,0 +1,17 @@ +//control systems by Nagoor Kani A
+//Edition 3
+//Year of publication 2015
+//Scilab version 6.0.0
+//operating systems windows 10
+// Example 5.28
+
+clc;
+clear;
+s=poly(0,'s')//defines s as poly nomial variable
+h=syslin('c',(1/(s*(s^2+6*s+10))))//the given transfer function assigned to variable h assume K=1
+scf()
+evans(h)
+//the characterstic equation is (s^3+6s^2+10s)+K
+//put s=jw and equating real and imaginary parts to calculate K
+K=6*(3.2)^2//the valuw of w is 3.2
+disp(K,'the value of K is ')
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