Control System Full Scanned Lecture Notes - 2015 Edition

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Control System Full Scanned Lecture Notes from Reputed Institutions and Faculties. Useful for Electrical Engineers , Specially for Candidates Appearing for GATE Exams.

Content : 

• Introduction
  
• Closed loop or feedback control system
  
• Open loop control system
  
• Concept of transfer function
  

• Singularity function and transfer function
  
• 1. Step signal
  
• 2. Ramp signal
  
• 3. Parabolic signal
  
• 4. Impulse signal
  

• INTRODUCTION TO COMPENSATOR
  
• 1. Lead compensators
  
• 2. Lag compensators
  
• 3. Lag-lead compensators
  

• Mechanical system
  
• Mechanical rotational system
  
• Mechanical translational system
  
• Electrical system
  
• GEARS
  
• Dynamic of gear train
  
• Nodal method
  
• Block diagrams
  
• Signal flow graphs (SFG)
  
• Mason’s gain formulae
  

• Transfer function of physical system
  
• 1. Resistance elements
  
• 2. Capacitive elements
  
• 3. Time constant elements
  
• 4. Oscillatory elements
  
• 5. Dead time elements
  

• Interacting and non-interacting system
  
• SERVOMECHANISM
  

• Types
  
• 1. AC servomotors
  
• 2. DC servomotors
  
• a. Armature control
  
• b. Field control
  
• Potentiometers
  
• Tachometers
  

• TIME DOMAIN ANALYSIS
  
• 1. Transient state analysis
  
• 2. Steady state analysis
  
• Type and order
  
• Transient analysis
  
• Characteristics of under damped system
  

• Transient analysis of underdamped response
  
• 1. Delay time (td)
  
• 2. Rise time (tr)
  
• 3. Peak time (tp)
  
• 4. Setting time(ts)
  
• 5. Maximum peak overshoot(mp)
  
• 6. No of cycles
  
• 7. Time period
  

• STABILITY
  
• Impulse response and stability
  
• Routh Hurwitz criteria
  
• Conditionally stable system
  
• ROOT LOCUS
  
• Construction rules of RL
  
• Effect of feedback
  

• Sensitivity analysis
  
• 1. Open loop system
  
• 2. Close loop system
  

• Feed forward compensation
  
• Transportation lag
  
• Construction rules of CRL
  
• Root contours
  

• Industrial controllers
  
• 1. Proportional mode
  
• 2. Integral mode
  
• 3. Derivative or rate mode
  
• 4. Composite controller mode
  
• 5. P+I+D mode
  

• Error compensation and output compensation
  
• Frequency domain analysis
  

• Frequency response plots
  
• 1. Polar plots
  
• 2. Bode plots
  

• Frequency response analysis of second order system
  

• Frequency domain specification
  
• 1. Resonant frequency (wr)
  
• 2. Resonant peak (or) peak magnitude (mr)
  
• 3. Band width
  
• 4. Cut-off frequency
  

• Stability criteria
  
• 1. Gain cross over frequency
  
• 2. Phase cross over frequency
  
• 3. Gain margin
  
• 4. Phase margin
  

• Polar plots
  
• General shapes of polar plots
  
• Effect on adding zeroes on shape of polar plots
  

• Stability from polar plots
  
• 1. Stable
  
• 2. Marginally stable
  
• 3. Unstable
  
• 4. Concept of enclosement and encirclement
  

• Theory of Nyquist ploits
  
• 1. Principle of mapping
  
• 2. Principle of argument
  

• Bode plots
  
• 1. System gain
  
• 2. Integral and derivative factors
  
• 3. First order factors
  

• Characteristics of phase lead compensators
  
• Characteristics of phase lag compensators
  
• Lead compensators
  
• Inverse bode plot
  
• M and N circle
  
• STATE SPACE ANALYSIS
  
• problems
  

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