EC6405 Control System Engineering Important Questions

Unit 1

 Open loop and Closed loop systems

 Differential equation

 Modeling of Electric systems

 Block diagram reduction Techniques

 Signal flow graph

Unit 2

 Time response analysis

 Steady state errors

 P, PI, PD and PID Compensation

 Analysis using MATLAB

Unit 3

 Frequency Response

 Bode Plot, Polar Plot, Nyquist Plot

 Constant M and N Circles

 Nichol's Chart

 Lead, Lag, and Lead Lag Compensators

Unit 4

 Routh-Hurwitz Criterion

 Root Locus Technique

 Application of Root Locus Diagram

 Nyquist Stability Criterion

 Relative Stability

Unit 5

 State space representation of Continuous Time systems

 State equations

 Concepts of Controllability and Observability

 Sampling Theorem

 Open loop & Closed loop sampled data systems

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