SOLUTION

A good control system has all the following features except slow Response.

A well-designed control system must have less error, good accuracy, good speed of response, good relative stability, good damping so that undue overshoots etc. can be avoided. Usually, first priority is given to gain adjustment. Practically, it has been found that adjusting the gain alone, it is very difficult to obtain a satisfactory

For any control system, it is desirable that the system should react quickly to a control input or excitation.