EE350 Control Systems (3-0-0-6)

Modeling of physical systems: time-domain, frequency-domain and state-variable models; block diagram, signal flow graph and Mason’s gain formula; time and frequency response of first and second order systems; control system characteristics: stability, sensitivity, disturbance rejection and steady-state accuracy; stability analysis: Routh-Hurwitz test, relative stability, root locus, Bode and Nyquist plots; controller types: lag, lead, lag-lead, PID and variants of PID; controller design based on root-locus and frequency response plots; modern design techniques: canonical state-variable models, equivalence between frequency and time-domain representations, diagonalisation, controllability and observability, pole placement by state feedback, state feedback with integral control, observer and observer based state feedback control.

Text Books
  1. K. Ogata, Modern Control Engineering, Prentice Hall India, 2006.
  2. G. F. Franklin, J. D. Powell and A. E. Emami-Naeini, Feedback Control of Dynamic Systems, Prentice Hall, 2006.
Reference Books
  1. M. Gopal, Control Systems, 3rd Ed., Tata McGraw-Hill, 2008.
  2. B. C. Kuo, Automatic Control Systems, 8th Ed., Wiley, 2002.


EE351 Advanced Control Systems (3-0-0-6)

Frequency response design: Design of lag, lead, lag-lead and PID controllers, the Nyquist criterion, analysis and design, relative stability and the Bode diagram, closed-loop response, sensitivity, time delays; Root locus design: construction of root loci, phase-lead and phase-lag design, PID controller design; Modern design: controllability and observability, state feedback with integral control, reduced order observer; Optimal control design: Solution-time criterion, Control-area criterion, Performance indices, Zero steady state step error systems; Modern control performance index: Quadratic performance index, Ricatti equation; Digital controllers: Use of z-transform for closed loop transient response, stability analysis using bilinear transform and Jury method, deadbeat control, Digital control design using state feedback; On-line identification and control: On-line estimation of model and controller parameters.

Text Books
  1. G. F. Franklin, J. D. Powel and A. E. Emami-Naeini, Feedback Control of Dynamic Systems, Prentice Hall Inc. 2002.
  2. M. Gopal, Control Systems, 3rd Ed., Tata McGraw Hill, 2008.
Reference Books
  1. M. Gopal, Digital Control and State Variable Methods, Tata McGraw Hill, 2003.
  2. K. J. Åström and T. Hägglund, Advanced PID Control, ISA, Research Triangle Park, NC 27709, 2005.


EE371 Control and Instrumentation Laboratory (0-0-3-3)

Development of circuits for signal conditioning, signal recovery, telemetry; PC based instrumentation; Computer controlled test systems; Experiments using modern electronic test equipment, Programmable logic controller. Modeling of physical systems, open-loop and closed-loop control of systems, design of classical controllers, closed loop control of servo systems and regulatory systems, state-feedback based design of modern controllers.

Text/Reference Books
  1. C. D. Johnson, Process Control Instrumentation Technology, Prentice Hall India, 2006.
  2. R. P. Areny and T. G. Webster, Sensor and Signal Conditioning, Wiley-Interscience, 2000.
  3. C. F. Coombs, Electronic Instruments Handbook, McGraw-Hill, 2000.
  4. K. Ogata, Modern Control Engineering, Prentice Hall India, 2006.
  5. G. F. Franklin, J. D. Powell and A. E. Emami-Naeini, Feedback Control of Dynamic Systems, Prentice Hall, 2006