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diff --git a/3885/CH5/EX5.26/Ex5_26.sci b/3885/CH5/EX5.26/Ex5_26.sci new file mode 100644 index 000000000..d8e13f3b9 --- /dev/null +++ b/3885/CH5/EX5.26/Ex5_26.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 5.26
+
+clc;
+clear;
+s=poly(0,'s')//defines s as poly nomial variable
+h=syslin('c',(s+15)/(s*(s+1)*(s+5)))//the given transfer function assigned to variable h assume K=1
+scf()
+evans(h)
+//the characterstic equation is (s^3+6s^2+5s)+Ks+15K
+//put s=jw and equating real and imaginary parts to calculate K
+K=30/(-4.5)
+disp(K,'yhe value of K is;')
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