EEL 301 - Control Engineering 1

Course Content

Mathematical modeling of physical systems; Analogies between physical quantities and mathematical concepts, analogous systems; System descriptions - Transfer function and State space model; System representation - Block diagram and signal flow graph; Simplification - Mason's gain formula.

Concepts of equilibrium and stability; Stability of a general first order and second order system; Routh stability criterion; Time domain analysis of first order and second order systems; stability and system poles; Time domain parameters - time constant, rise time, delay time, peak time, peak overshoot, natural frequency, damping ratio, forced frequency, settling time

Bode Plots - Approximate Bode Plots; Resonance in second order systems, gain margin and phase margin. Control Modes - Servo and Regulator; P, I, D and their composites; Steady state errors and their implication on control design.

Graphical methods of open loop analysis-Polar plot, Closed Loop analysis from open loop system-Nyquist plot, M-N Circles, Nichols Chart - Compensator Design(MATLAB)




  1. Modeling of Systems.  [Sheet]  [Solutions]
  2. Block Diagram Reduction.   [Sheet]  [Solutions]
  3. Transfer Functions and SFG.  [Sheet]  [Solutions]
  4. Time Response and Stability.  [Sheet]  [Solutions]
  5. P-I-D Controllers.  [Sheet]  [Solutions]
  6. Static Error Coefficients and Steady State Error  [Sheet]  [Solutions]
  7. Bode Plots  [Sheet]  [Solutions]
  8. Lag and Lead Compensators  [Sheet]  [Solutions]
  9. Root Locus  [Sheet]  [Solutions]
  10. Root Locus - 2  [Sheet]  [Solutions]
  11. Controllability and Observability[Sheet]  [Solutions]

Test Papers with Solutions