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| author | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
| commit | 7bc77cb1ed33745c720952c92b3b2747c5cbf2df (patch) | |
| tree | 449d555969bfd7befe906877abab098c6e63a0e8 /3889/CH5/EX5.7/Ex5_7.sce | |
| parent | d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff) | |
| download | Scilab-TBC-Uploads-master.tar.gz Scilab-TBC-Uploads-master.tar.bz2 Scilab-TBC-Uploads-master.zip | |
Diffstat (limited to '3889/CH5/EX5.7/Ex5_7.sce')
| -rw-r--r-- | 3889/CH5/EX5.7/Ex5_7.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/3889/CH5/EX5.7/Ex5_7.sce b/3889/CH5/EX5.7/Ex5_7.sce new file mode 100644 index 000000000..e3d541ae2 --- /dev/null +++ b/3889/CH5/EX5.7/Ex5_7.sce @@ -0,0 +1,22 @@ +//Example 5.7
+//page 324
+//Control Systems: Principles and Design
+//M Gopal, Second Edition, Tata McGraw-Hill
+//Chapter:Concepts of Stability: Routh Stability Array
+
+xdel(winsid())//close all graphics Windows
+clear;
+clc;
+//transfer function
+s=%s;
+P=s^6+s^5+3*s^4 + 3* s^3 +3*s^2 +2*s +1;
+//routh array
+r=routh_t(P)
+disp(r,"Routh Array")
+[r,num]=routh_t(1/P,20)
+disp("We know, eps tends to zero")
+if num==0
+ disp("System is stable")
+else
+ mprintf("There are %g sign changes in entries of first column.\nTherefore, system is unstable.", num)
+end
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