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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /29/CH6/EX6.10.22 | |
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initial commit / add all books
Diffstat (limited to '29/CH6/EX6.10.22')
| -rwxr-xr-x | 29/CH6/EX6.10.22/exa6_10_22.sce | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/29/CH6/EX6.10.22/exa6_10_22.sce b/29/CH6/EX6.10.22/exa6_10_22.sce new file mode 100755 index 000000000..4eaf23e64 --- /dev/null +++ b/29/CH6/EX6.10.22/exa6_10_22.sce @@ -0,0 +1,34 @@ +//caption:determine_reference_voltage,Er_and_%change_in_terminal_voltage
+//example 6.10.22
+//page 191
+clc;
+syms G H
+s=%s;
+A=G/.H;
+disp(A,"E0/Er=");
+G=200; //gain
+H=0.1;
+B=eval(A);
+disp(B,"E0/Er=");
+E0=250;
+Er=(1/B)*E0;
+disp("for_closed_loop_system:");
+disp(float(Er),"reference_voltage,Er=");
+disp("for_open_loop_system:");
+disp(float(E0/G),"Er=E0/G=");
+
+disp("part (b)")
+disp("for closed loop system:")
+disp("as the forward path gain is reduced by 10%, the new value of gain,G is 180 ")
+G=180 //gain
+pcG=10 //percentage change in G
+S=1/(1+G*H)
+disp(S,"sensitivity,S=");
+disp("since S=1/19, (given)")
+pcM=S*pcG //percentage change in overall gain,M
+pcEo=pcM
+disp(pcM,"percentage change in overall gain,M=")
+disp(pcEo,"percentage change in terminal voltage,Eo=")
+disp("for open loop system:")
+pcEo=(25/250)*100
+disp(pcEo,"percentage change in terminal voltage,Eo=")
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