Syllabus

Fundamental concepts of drives 9 Hours
Factors affecting selection of drives, speed-torque characteristics of motors and loads, condition of steady-state stability, transient stability: equal area criterion, dynamics of motor load combination, heating and rating of motors, DC shunt motor and series motor braking methods and speed-torque characteristics in four quadrants, Induction motor: steady-state performance analysis, braking methods, four quadrant speed-torque characteristics, dc and ac dynamic braking, Methods of starting, energy relations during starting and braking, Transients in dc and ac drives

Thyristor dc drives 12 Hours
DC drives: Performance parameters, single phase and three phase- semi converter and full converter fed separately excited dc motor and series dc motor, armature control and field control, motoring and braking operations, different modes of operation, waveforms for continuous and discontinuous current operations, expression of armature current; one-, two- and four quadrant drives, dual converter: operation with and without circulating current, waveforms of dual converter fed dc drives, power factor and THD considerations of converters, power factor improvement of phase controlled converters; sequence control of converters; one-, two- and four quadrant choppers, chopper controlled dc drives: analysis, current expressions for continuous and discontinuous current operation

Closed loop control of dc drives 6 Hours
Closed loop control of dc drives: transfer function and state space modeling, inner and outer current control, current limit control, realization of P-I controller, PLL based control of dc drives, Programmable logic control (PLC) of drives, state feedback control, pole placement design

Intelligent control of drives 9 Hours
Sliding mode control: sliding condition, reaching time, sliding mode controller design, design with boundary layer, application to drives.
Fuzzy logic control, different stages of fuzzy controller: fuzzification, inferencing and defuzzification, membership functions, rule base and its implementation, different defuzzification methods, fuzzy control of electric drives, fuzzy sliding mode control and its drive application.
Neural Network, application of neural network in electric drives, neuro-fuzzy inferencing system, adaptive neuro-fuzzy inferencing system (ANFIS) and applications in control of drives

To learn the fundamental concepts of electric drives

To learn control of dc drives and to select appropriate converter

To design and develop closed loop controlled dc drives

To apply sliding mode control, fuzzy control and other recent control techniques to drives

At the end of the course, students will be able to select motor of appropriate rating for any application

At the end of the course, students will be able to analyze steady-state and transient behavior of drives

At the end of the course, students will be able to apply static control techniques to dc drives

At the end of the course, students will be able to design and realize P-I controller for closed loop control of drives

At the end of the course, students will be able to design sliding mode controller for drives

At the end of the course, students will be able to design fuzzy controller and fuzzy sliding mode controller for drives

G. K. Dubey, Fundamentals of Electrical Drives, Narosa Publishing House , 2001

D. Driankov, H. Hellendoorn, and M. Reinfrank, An introduction to fuzzy control, Narosa Publishing House, New Delhi , 1996

J. J. E. Slotine and W. Li, Applied Nonlinear Control, Prentice Hall International, Englewood Cliffs , 1991

P. C. Sen, Thyristor DC Drives, Krieger Publishing Company, Florida , https://kupdf.net/download/thyristor-dc-drives-pcsen_59bfe17608bbc59a12686f5d_pdf

S. Haykin, Neural Networks: A Comprehensive Foundation, Pearson , 2001

K. B. Mohanty, "A fuzzy sliding mode controller for a field oriented induction motor drive," Journal of The Institution of Engineers (India) -EL, Vol. 86, Dec. 2005, pp. 160-165.

L. A. Zadeh, “Fuzzy logic,” Computer, IEEE Magazine, Volume: 21, Issue: 4, April 1988, pp. 83-93, DOI: 10.1109/2.53