Digital Signal Processing

MEE751

DIGITAL SIGNAL PROCESSING

3

1

0

4

1. Review Of Discrete Time Systems 9 Discrete time Signals-Sequences-Stability and Causality-Frequency domain Representation of Discrete time systems and signals-Two-dimensional Sequences and Systems - Z-Transform- Z-Transform Theorems and Properties - Twodimensional Z-Transform. Structures for discrete time system-direct, cascade and parallel forms- lattice structure. 2. The Discrete Fourier Transform 18 Representation of Periodic Sequences-the Discrete Fourier Series - Properties of the discrete Fourier series sampling - Z-transform-discrete Fourier transform - properties of discrete Fourier Transform. Linear Convolution - Decimation-in-Time and Decimation-in-Frequency -FFT Algorithms - Two-dimensional discrete Fourier Transform-spectral analysis-time, frequency analysis of signals. 3. Digital Filter Design Techniques 9 Introduction - Design of IIR Digital Filters from Analog Filters - Analog-Digital Transformation - Properties of FIR Digital Filters - Design of FIR Filters Using Windows -A comparison of IIR and FIR Digital Filters. 4. Effects Of Finite Register Length in Digital Signal Processing 9 Introduction-Effects of coefficient of Quantization - Quantization in Sampling Analog Signals- Finite Register Length effects in realizations of Digital Filters, discrete Fourier Transform Computations. L = 45 T = 15 P = 0 TOTAL = 60 REFERENCES 1. Alan Oppenheim.V and Ronals.W. Schafer, "Digital Signal Processing”, Prentice Hall of India Pvt.Ltd., New Delhi, 1989. 2. John-H Karl, "An Introduction to digital processing", Academic Press INC, Harcourt Brace Jovanovich, Publishers, 1989. 3. Douglas F. Elliot, "Handbook of Digital Signal Processing - Engineering Applications". Academic Press, 1987. King, Robert. 4. King, Robert, "Digital filtering in one and two dimensions, Design and applications” Plenum Press, 1989. 5. V.Oppenheim and Ronald W. Schafer, "Discrete time Signal processing", Prentice Hall of India Pvt.Ltd., New Delhi, 1992. 6. M. Bellanger, "Digital Processing of Signals", John Wiley and Sons, 2000. 7. Ralph Chasseing "Digital Signal Processing Laboratory Experiments using C & TMS320 C31", John Wiley and Sons, 1999.

MEE753

GENERALIZED THEORY OF ELECTRICAL MACHINES

3

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0

3

1.

Basic elements of generalized theory of machines, circuit models of synchronous, induction and dc machines – General expressions for voltage and torque. D.C. Machines: Mathematical models of DC motor – steady state and dynamic performance.

2.

Linear transformations: Necessity in electrical machines – phase transformations, concepts of power invariance, MMF distributions in the air gap in the development of phase transformations – 3 phase to 2 phase - Parks transformations – symmetrical component transformations – space vector theory.

3.

Reference Frame Theory: concept of reference frame – stationary reference frame – rotating reference frame synchronously rotating – rotor reference frame – commutator transformation – in phase variables – two axis variables – transformation matrices – transformations to a rotating reference frame.

4.

Induction Machines: Matrix models in various reference frames – steady state and transient analysis – derivation of steady state equivalent circuit – torque equation – speed torque characteristics.

5.

Synchronous Machines: Matrix module of synchronous motor in rotating reference frame – performance of synchronous motor – steady state and dynamic performance PM synchronous motor.

L = 45 T = 0 P= 0 Text Books:

TOTAL =45

1. C.V Jones, “Unified Theory of Electrical Machine”, Butterworths, 1967. 2. M.G.Say, “Introduction to the Unified Theory of Electromagnetic Machines”, Pitman. References: 1. Bernard Adkins, Ronald.G.Harley, “ The general theory of alternating Current Machines, Application to practical Problems”, Chapman and Hall, 1978. 2. Adkins.B., “ The General Theory of Electrical Machines”, John Wiley & Sons, 1957. 3. Gibbs, W.J., “Tensors in Electrical Machines Theory”, Chapman and Hall, 1952. 4. Bimbhra.P.S., “Generalised Circuit Theory of Electrical Machines”, Khanna Publishers, Delhi, 5th Edition, 1995.

PART A 5*4=20 MARKS NO CHOICE PART B 5*16=80 EITHER OR CHOICE 6 or 7, 8 or 9, 10 or 11, 12 or 13, 14 or 15