Editorial Staff

Spectrum Analysis of Sampling Process 1. Statement (I): Aliasing occurs when the sampling frequency is less than twice the maximum

Feedback Compensation 1. Which of the following are the not characteristics of the closed loop systems? a) It does not

Tuning of PID Controllers 1. The input of a controller is a) Sensed signal b) Error signal c) Desired variable

Cascade Compensation in Frequency Domain 1. A phase lead compensation leads to: a) Increase in overshoot b) Reduction in bandwidth

Cascade Compensation in Time Domain 1. A proportional controller leads to: a) Zero steady state error for step input for

Realization of Basic Compensators 1. Which of the following is not the correct reason to select feedback compensation over cascaded

Preliminary Considerations of Classical Design 1. The most important consideration for designing of control system are: a) Transient response measures

The Design Problem 1. What should be the nature of bandwidth for a good control system? a) Large b) Small

Closed-Loop Frequency Response 1. Closed loop frequency response is very useful as : a) It approximately predicts the time response

Assessment of Relative Stability Using Nyquist Criterion 1. The phase margin (in degrees) of a system having the loop transfer