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+//Controllers and Their Optimisation//
+//Example 12.6//
+G=20;//smaller time constant in ms//
+Tn=4*G;//time constant of the controller in ms//
+printf('time constant of the controller=Tn=%fms',Tn);
+T1=170;//bigger time constant in ms//
+V=T1/(2*G);//gain of the control system//
+printf('\nGain of the control system=V=%f',V);
+Tf=3.1*G;//time taken by the system to achiecve its final value on step input//
+printf('\ntime taken by the system to achieve its final value=Tf=%fms',Tf);
+printf('\nMaximum overshoot for a symmetrically optimised system is 43 percent');
+\ No newline at end of file