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| ECE 2-2 LCS | ||
|---|---|---|
| S.No | Chapters / Units | Download Link |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
UNIT I
- INTRODUCTION
Concepts of System, Control Systems: Open Loop and closed loop control systems and their
differences. Different examples of control systems, Feed-Back Characteristics, Effects of
feedback. Mathematical models, Differential equations, Impulse Response and transfer functions.
Translational and Rotational mechanical systems
UNIT II
– TRANSFER FUNCTION REPRESENTATION
Transfer Function of DC Servo motor - AC Servo motor- Synchro-transmitter and Receiver,
Block diagram representation of systems considering electrical systems as examples –Block
diagram algebra–Representation by Signal flowgraph-Reduction using mason’s gain formula.
TIME RESPONSE ANALYSIS
Standard test signals – Time response of first order systems – Characteristic Equation of
Feedback controlsystems, Transient response of second order systems – Time domain
specifications – Steady state response - Steady stateerrors and error constants.
UNIT III
– STABILITY ANALYSIS IN S-DOMAIN
The concept of stability – Routh’s stability criterion – qualitative stability and conditional
stability – limitations of Routh’s stability100
Root Locus Technique:
The root locus concept - construction of root loci-effects of adding poles and zeros to G(s) H(s)
on the root loci.
UNIT IV
Frequency response analysis: Introduction, Correlation between time and frequency response,
PolarPlots, BodePlots,Nyquist Stability Criterion
UNIT V
– CLASSICAL CONTROL DESIGN TECHNIQUES
Compensation techniques – Lag, Lead, Lead-Lag Controllers design infrequency Domain,
PIDControllers. State Space Analysis of Continuous Systems Concepts of state, state
variables andstate model, derivation ofstate models from block diagrams, Diagonalization-
Solving the Timeinvariant state Equations- State Transition Matrix and it’s Properties –
Concepts of ControllabilityandObservability.
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