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+//Controllers and Their Optimisation//
+//Example 12.2//
+P=1.8;//permanent error of p controller in percent//
+V=100/1.8-1;//gain of the controller in volts//
+printf('gain of the controller=V=%fvolts',V);
+G=8;//sum of all time constants in milliseconds//
+T1=2*G*V;//motor armature time constant//
+printf('\nMotor armature time constant=T1=%fmilliseconds',T1);
+\ No newline at end of file