Digital Control Systems

Stability Analysis

Stability Analysis 1. First column elements of the Routh’s tabulation are 3, 5, -3/4, ½, 2. It means that there

Digital Control Systems

Z & S Domain Relationship

Z & S Domain Relationship 1. The auto-correlation function of a rectangular pulse of duration T is a) A rectangular

Digital Control Systems

The Z-Transfer Function

The Z-Transfer Function 1. Consider the following statements regarding a linear discrete-time system: H (z) = z2+1/(z+0.5)(z-0.5) 1. The system

Digital Control Systems

The Z-Transform

The Z-Transform 1. The discrete-time signal x (n) = (-1)n is periodic with fundamental period a) 6 b) 4 c) 2

Digital Control Systems

Difference Equations

Difference Equations 1. Difference equation model results in: a) Sampled-data systems b) Numerical analysis of continuous time systems c) Continuous

Digital Control Systems

Signal Reconstruction

Signal Reconstruction 1. Sampling can be done by: a) Impulse train sampling b) Natural sampling c) Flat-top sampling d) All

Stability in Frequency Domain

Feedback Compensation

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