Study the effect of PI, PD and PID controller on system performance.
                    If the parameter integral gain increases, then the accuracy ______________ ?
                  
                  
                  
                
                  
                    The voltage output from the controller usually relating to the actuating signal is known as _________________?
                  
                  
                  
                
                  
                    The controller output when the error is equal to zero is known as ______________?
                  
                  
                  
                
                  
                    Which of the following is a correct statement ?
                  
                  
                  
                
                  
                    What effect does the proportional parameter of control response have on the rise time in a closed-loop control system ?