TEC- 501 AUTOMATIC CONTROL SYSTEMS Books and references
TEC- 501 AUTOMATIC CONTROL SYSTEMS
UNIT 1
INTRODUCTION TO OPEN LOOP AND CLOSED LOOP CONTROL SYSTEMS: feedback,characteristics of control systems, Mathematical Representation of physical systems Electrical,
Mechanical, Hydraulic, Thermal systems, Block diagram algebra and signal flow graphs, Mason’s gain formula.
UNIT 2
TIME DOMAIN ANALYSIS: Standard Test Signals, Time response of First, Second and Higher order
systems, Performance Indices.
ERROR ANALYSIS: Static and Dynamic Error Coefficients, Effect of adding poles and zeroes to the
system, response of P, PI, and PID controllers.
UNIT 3
CONCEPT OF STABILITY: Concept of stability, Asymptotic and conditional stability, Routh-Hurwitz
Criterion, Root Locus technique (Concept and construction)
FREQUENCY RESPONSE ANALYSIS: Correlation between time and frequency response, polar and
inverse polar plots, Nyquist stability criterion, Bode plots. All pass and minimum phase systems,M and N circle.
UNIT 4
DESIGN THROUGH COMPENSATION TECHNIQUES: Realization of lag, lead and lag-lead
compensators, Design of closed loop control system using root locus and Bode plot Compensation.
ROBUSTNESS. Uncertainty and performance weights. Robust stability test. Robust performance test. Loop shaping necessary and sufficient conditions.
UNIT 5
STABLE VARIABLE ANALYSIS: Introduction, State space representation, State modes of linear systems, State equations, transfer matrices, diagonalization solution of state equations,controllability and observability, effect of pole zero cancellation in transfer function.
BASIC NON-LINEAR ANALYSIS: Linearization, describing function and phase plane methods,stability concepts and Lyapunov functions.
SUGGESTED BOOKS:
1. B C Kuo, Automatic Control Systems; John Wiley (India)
2. Control System, N C Jagan, BSP, Hyderabad
3. I J Nagrath & M Gopal, Control System Engineering; New Age International publishers.
4. Dr D Ganesh Rao, Control System; Sanguine Technical Publisher, Bangalore
5. K Ogata, Modern Control Engineering; PHI.
UNIT 1
INTRODUCTION TO OPEN LOOP AND CLOSED LOOP CONTROL SYSTEMS: feedback,characteristics of control systems, Mathematical Representation of physical systems Electrical,
Mechanical, Hydraulic, Thermal systems, Block diagram algebra and signal flow graphs, Mason’s gain formula.
UNIT 2
TIME DOMAIN ANALYSIS: Standard Test Signals, Time response of First, Second and Higher order
systems, Performance Indices.
ERROR ANALYSIS: Static and Dynamic Error Coefficients, Effect of adding poles and zeroes to the
system, response of P, PI, and PID controllers.
UNIT 3
CONCEPT OF STABILITY: Concept of stability, Asymptotic and conditional stability, Routh-Hurwitz
Criterion, Root Locus technique (Concept and construction)
FREQUENCY RESPONSE ANALYSIS: Correlation between time and frequency response, polar and
inverse polar plots, Nyquist stability criterion, Bode plots. All pass and minimum phase systems,M and N circle.
UNIT 4
DESIGN THROUGH COMPENSATION TECHNIQUES: Realization of lag, lead and lag-lead
compensators, Design of closed loop control system using root locus and Bode plot Compensation.
ROBUSTNESS. Uncertainty and performance weights. Robust stability test. Robust performance test. Loop shaping necessary and sufficient conditions.
UNIT 5
STABLE VARIABLE ANALYSIS: Introduction, State space representation, State modes of linear systems, State equations, transfer matrices, diagonalization solution of state equations,controllability and observability, effect of pole zero cancellation in transfer function.
BASIC NON-LINEAR ANALYSIS: Linearization, describing function and phase plane methods,stability concepts and Lyapunov functions.
SUGGESTED BOOKS:
1. B C Kuo, Automatic Control Systems; John Wiley (India)
2. Control System, N C Jagan, BSP, Hyderabad
3. I J Nagrath & M Gopal, Control System Engineering; New Age International publishers.
4. Dr D Ganesh Rao, Control System; Sanguine Technical Publisher, Bangalore
5. K Ogata, Modern Control Engineering; PHI.
