Chhattisgarh Swami Vivekanand Technical University, Bhilai
Semester : V Branch: Electronics & Telecommunication
Subject: Automatic Control Systems
Total Theory Periods: 40 Total Tutorial Periods: 12
Total Marks in End Semester Examination: 80
Minimum number of Class tests to be conducted: Two
Mathematical Model of Physical Systems:
Differential Equation of Physical system. Transfer function, Block
Diagram Algebra, signal flow graphs. Feedback characteristics of control systems. Feedback & Non feedback
systems, reduction of parameter variation, control of system Dynamic. Control of the effect of dynamic signal by
use of feedback, regeneration feedback.
Time Response Analysis:
Design specification and performance Indices. Standard Text signals, Time response
of first and second order system, steady state error and error constants, Effect of adding a zero to a system.
Design specification of second order system stability concept, Routh- Hurwitz stability criteria relation stability
Root Loci’s Technique:
Root loci’s concept construction for Root loci, Root contours, system with transportation
by Polar Plots, Bode Plots. All pass and minimum phase system.
Stability in Frequency Domain:
Nyquist stability criteria, Assessment of relation stability. Realization of basic
compensators, Cascade compensation in time and frequency Domain. Feedback compensation.
Sate Variable Analysis and Design:
Concept of stab, state variables and state model. State model for linear
continuous time systems, Diaganalization, solution of state equation, concept of controllability and observability.
Pole placement by state feedback.
Name of Text Books:
1. Control System Engineering, L. Nagrath and Gopal, New Age International Publications
2. Automatic Control System, B.C. Kuo, PHI
Name of Reference Books:
1. Modern Control Engineering, Ogata, Pearson Education
2. Modern Control Engineering, Roychoudhury, PHI
3. Control Engineering – A Comprehensive Foundation, Ramakalyan, Vikas Publishing House Pvt. Ltd.