06ME71-Control Engineering |
PART – A |
UNIT I: |
INTRODUCTION: Concept of automatic controls, open and closed loop
systems, concepts of feedback, requirement of an ideal control system. Types
of controllers– Proportional, Integral, Proportional Integral, Proportional
Integral Differential controllers.
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UNIT II: |
MATHEMATICAL MODELS: Transfer function models, models of
mechanical systems, models of electrical circuits, DC and AC motors in
control systems, models of thermal systems, models of hydraulic systems.
Pneumatic system. Analogous systems: Force voltage, Force current.
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UNIT III: |
BLOCK DIAGRAMS AND SIGNAL FLOW GRAPHS: Transfer
Functions definition, function, block representation of system elements,
reduction of block diagrams, Signal flow graphs: Mason’s gain formula.
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UNIT IV: |
TRANSIENT AND STEADY STATE RESPONSE ANALYSIS: Introduction, first order and second order system response to step, ramp and
impulse inputs, concepts of time constant and its importance in speed of
response. System stability: Routh’s-Hurwitz Criterion.
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PART – B |
UNIT V: |
FREQUENCY RESPONSE ANALYSIS: Polar plots, Nyquist Stability
Criterion, Stability Analysis, Relative stability concepts, phase and gain
margin, M & N circles. |
UNIT VI: |
FREQUENCY RESPONSE ANALYSIS USING BODE PLOTS: Bode
attenuation diagrams, Stability Analysis using Bode plots, Simplified Bode
Diagrams.
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UNIT VII: |
ROOT LOCUS PLOTS: Definition of root loci, general rules for
constructing root loci, Analysis using root locus plots.
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UNIT VIII: |
CONTROL ACTION AND SYSTEM COMPENSATION: Series and
feedback compensation, Physical devices for system compensation.
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REFERENCE |
TEXT BOOKS: |
1. Modern Control Engineering: Katsuhiko Ogata, Pearson
Education, 2004.
2. Control Systems Principles and Design: M. Gopal, TMH, 2000
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Reference Books |
1. Feedback Control Systems: Schaum’s series 2001.
2. Control systems: I. J. Nagarath & M. Gopal, New age International
publishers 2002.
3. Automatic Control Systems – B. C. Kuo, F. Golnaraghi, John
Wiley & Sons, 2003.
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