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
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index 000000000..4eaf23e64
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+++ b/29/CH6/EX6.10.22/exa6_10_22.sce
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+//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=")
+\ No newline at end of file