←Electrical & Electronics Engineering

3L + 0T + 0P Unit-1.0: Power Converters for AC drives 9 hrs PWM control of inverter, selected harmonic elimination, space vector modulation, current control of VSI, three level inverter, Different topologies, SVM for 3 level inverter, Diode rectifier with boost chopper, PWM converter as line side rectifier, current fed inverters with self-commutated devices. Control of CSI, H bridge as a 4-Q drive. Unit-2.0: Induction motor drives 8 hrs Different transformations and reference frame theory, modeling of induction machines, voltage fed inverter control-v/f control, vector control, direct torque and flux control (DTC). Unit-3.0: Synchronous motor drives 7 hrs Modeling of synchronous machines, open loop v/f control, vector control, direct torque control, CSI fed synchronous motor drives. Unit-4.0: Permanent magnet motor drives 6 hrs Introduction to various PM motors, BLDC and PMSM drive configuration, comparison, block diagrams, Speed and torque control in BLDC and PMSM. Unit-5.0: Switched reluctance motor drives 6 hrs Evolution of switched reluctance motors, various topologies for SRM drives, comparison, Closed loop speed and torque control of SRM. Unit-6.0: DSP based motion control 6 hrs Use of DSPs in motion control, various DSPs available, realization of some basic blocks in DSP for implementation of DSP based motion control.

3L + 0T + 0P Unit-1.0: Energy Scenario 7 hrs Commercial and Non-commercial energy, primary energy resources, commercial energy production, final energy consumption, energy needs of growing economy, long term energy scenario, energy pricing, energy sector reforms, energy and environment, energy security, energy conservation and its importance, restructuring of the energy supply sector, energy strategy for the future, air pollution, climate change. Energy Conservation Act-2001 and its features. Unit-2.0: Basics of Energy and its various forms 6 hrs Electricity tariff, load management and maximum demand control, power factor improvement, selection & location of capacitors, Thermal Basics-fuels, thermal energy contents of fuel, temperature & pressure, heat capacity, sensible and latent heat, evaporation, condensation, steam, moist air and humidity & heat transfer, units and conversion. Unit-3.0: Energy Management & Audit 7 hrs Definition, energy audit, need, types of energy audit. Energy management (audit) approach- understanding energy costs, bench marking, energy performance, matching energy use to requirement, maximizing system efficiencies, optimizing the input energy requirements, fuel & energy substitution, energy audit instruments. Material and Energy balance: Facility as an energy system, methods for preparing process flow, material and energy balance diagrams. Unit-4.0: Energy Efficiency in Electrical Systems 7 hrs Electrical system: Electricity billing, electrical load management and maximum demand control, power factor improvement and its benefit, selection and location of capacitors, performance assessment of PF capacitors, distribution and transformer losses. Electric motors: Types, losses in induction motors, motor efficiency, factors affecting motor performance, rewinding and motor replacement issues, energy saving opportunities with energy efficient motors. Unit-5.0: Energy Efficiency in Industrial Systems 9 hrs Compressed Air System: Types of air compressors, compressor efficiency, efficient compressor operation, Compressed air system components, capacity assessment, leakage test, factors affecting the performance and savings opportunities in HVAC, Fans and blowers: Types, performance evaluation, efficient system operation, flow control strategies and energy conservation opportunities. Pumps and Pumping System: Types, performance evaluation, efficient system operation, flow control strategies and energy conservation opportunities. Cooling Tower: Types and performance evaluation, efficient system operation, flow control strategies and energy saving opportunities, assessment of cooling towers. Unit-6.0: Energy Efficient Technologies in Electrical Systems 6 hrs Maximum demand controllers, automatic power factor controllers, energy efficient motors, soft starters with energy saver, variable speed drives, energy efficient transformers, electronic ballast, occupancy sensors, energy efficient lighting controls, energy saving potential of each technology.

3L + 0T + 0P Unit-1.0: Introduction to computer organization 6 hrs Architecture and function of general computer system, CISC Vs RISC, Data types, Integer Arithmetic Multiplication, Division, Fixed and Floating point representation and arithmetic, Control unit operation, Hardware implementation of CPU with Micro instruction, microprogramming, System buses, Multi-bus organization. Unit-2.0: Memory organization 6 hrs System memory, Cache memory - types and organization, Virtual memory and its implementation, Memory management unit, Magnetic Hard disks, Optical Disks. Unit-3.0: Input – output Organization 8 hrs Accessing I/O devices, Direct Memory Access and DMA controller, Interrupts and Interrupt Controllers, Arbitration, Multilevel Bus Architecture, Interface circuits - Parallel and serial port. Features of PCI and PCI Express bus. Unit-4.0: 16 and 32 microprocessors 8 hrs 80x86 Architecture, IA – 32 and IA – 64, Programming model, Concurrent operation of EU and BIU, Real mode addressing, Segmentation, Addressing modes of 80x86, Instruction set of 80x86, I/O addressing in 80x86 Unit-5.0: Pipelining 8 hrs Introduction to pipelining, Instruction level pipelining (ILP), compiler techniques for ILP, Data hazards, Dynamic scheduling, Dependability, Branch cost, Branch Prediction, Influence on instruction set. Unit-6.0: Different Architectures 6 hrs VLIW Architecture, DSP Architecture, SoC architecture, MIPS Processor and programming

3L + 0T + 0P Unit-1.0: 7 hrs Digital Image Fundamentals: Elements of visual perception, image sensing and acquisition, image sampling and quantization, basic relationships between pixels–neighbourhood, adjacency, connectivity, distance measures. Unit-2.0: 7 hrs Image Enhancements and Filtering: Gray level transformations, histogram equalization and specifications, pixel-domain smoothing filters – linear and order-statistics, pixel- domain sharpening filters – first and second derivative, two-dimensional DFT and its inverse, frequency domain filters –low-pass and high-pass. Unit-3.0: 5 hrs Color Image Processing: Color models–RGB, YUV, HSI; Color transformations formulation, color complements, color slicing, tone and color corrections; Color image smoothing and sharpening; Color Segmentation. Unit-4.0: 4 hrs Image Segmentation: Detection of discontinuities, edge linking and boundary detection, thresholding– global and adaptive, region-based segmentation. Unit-5.0: 9 hrs Wavelets and Multi-resolution image processing: Uncertainty principles of Fourier Transform, Time frequency localization, continuous wavelet trans- forms, wavelet bases and multi-resolution analysis, wavelets and Subb and filter banks, wavelet packets. Image Compression Redundancy inter pixel and psycho-visual; Loss less compression – predictive, entropy; Lossy compression- predictive and transform coding; Discrete Cosine Transform; Still image com- pression standards–JPEG and JPEG-2000 Unit-6.0: 10 hrs Fundamentals of Video Coding: Inter-frame redundancy, motion estimation techniques – full-search, fast search strategies, forward and backward motion prediction, frame classification – I, P and B; Video sequence hierarchy–Group of pictures, frames, slices, macro-blocks and blocks; Elements of a video encoder and decoder; Video coding standards – MPEG and H.26X. Video Segmentation-Temporal segmentation–shot boundary detection, hard- cuts and soft-cuts; spatial segmentation–motion-based; Video object detection and tracking. Text / References: 1. R.C. Gonzalez and R.E. Woods, Digital Image Processing, Second Edition, Pearson Education 3rd edition 2008 2. Anil Kumar Jain, Fundamentals of Digital Image Processing, Prentice Hall of India.2nd edition 2004 3. Murat Tekalp, Digital Video Processing” Prentice Hall, 2nd edition 2015.

3L + 0T + 0P Unit-1.0: Introduction 8 hrs Conventional design methodology, Computer aided design aspects – Advantages. Review of basic fundamentals of Electrostatics and Electromagnetics. Development of Helmhotz equation, energy transformer vectors- Poynting and Slepian, magnetic Diffusion-transients and time-harmonic. Unit-2.0: Analytical Methods 6 hrs Analytical methods of solving field equations, method of separation of variables, Roth’s method, integral methods- Green’s function, method of images. Unit-3.0: Finite Difference Method (FDM) 7 hrs Finite Difference schemes, treatment of irregular boundaries, accuracy and stability of FD solutions, Finite-Difference Time-Domain (FDTD) method- Uniqueness and convergence. Unit-4.0: Finite Element Method (FEM) 7 hrs Overview of FEM, Variational and Galerkin Methods, shape functions, lower and higher order elements, vector elements, 2D and 3D finite elements, efficient finite element computations. Unit- 5: Special Topics 9 hrs {Background of experimental methods-electrolytic tank, R-C network solution, Field plotting (graphical method)}, hybrid methods, coupled circuit - field computations, electromagnetic - thermal and electromagnetic - structural coupled computations, solution of equations, method of moments, Poisson’s fields. Unit-6.0: Applications 5 hrs Low frequency electrical devices, static/time-harmonic/transient problems in transformers, rotating machines, actuators. CAD packages.

3L + 0T + 0P Unit-1.0: Introduction 7 hrs Major consideration sin electrical machine design, electrical engineering materials, space factor, choice of specific electrical and magnetic loadings, thermal considerations, heat flow, temperature rise, rating of machines. Unit-2.0: Transformers 7 hrs Sizing of a transformer, main dimensions, kVA output for single- and three-phase transformers, window space factor, overall dimensions, operating characteristics, regulation, no load current, temperature rise in transformers, design of cooling tank, methods for cooling of transformers. Unit-3.0: Induction Motors 7 hrs Sizing of an induction motor, main dimensions, length of air gap, rules for selecting rotor slots of squirrel cage machines, design of rotor bars & slots, design of end rings, design of wound rotor, magnetic leakage calculations, leakage reactance of polyphase machines, magnetizing current, short circuit current, circle diagram, operating characteristics. Unit-4.0: Synchronous Machines 7 hrs Sizing of asynchronous machine, main dimensions, design of salient pole machines, short circuit ratio, shape of pole face, armature design, armature parameters, estimation of air gap length, design of rotor, design of damper winding, determination of full load field mmf, design of field winding, design of turbo alternators, rotor design. Unit-5.0: Computer aided Design (CAD) I 7 hrs Limitations (assumptions) of traditional designs, need for CAD analysis, synthesis and hybrid methods, design optimization methods, variables, constraints and objective function, problem formulation. Unit-6.0: Computer aided Design (CAD) II 7 hrs Introduction to FEM based machine design. Introduction to complex structures of modern machines- PMSMs, BLDCs, SRM and claw-pole machines. Text / References: 1. A. K. Sawhney, “A Course in Electrical Machine Design”, Dhanpat Rai and Sons, 1970. 2. M.G. Say, “Theory & Performance & Design of A.C. Machines”, ELBS London. 3. S. K. Sen, “Principles of Electrical Machine Design with computer programmes”, Oxford and IBH Publishing, 2006.

3L + 0T + 0P Unit-1.0: Discrete Representation of Continuous Systems 6 hrs Basics of Digital Control Systems. Discrete representation of continuous systems. Sample and hold circuit. Mathematical Modelling of sample and hold circuit. Effects of Sampling and Quantization. Choice of sampling frequency. ZOH equivalent. Unit-2.0: Discrete System Analysis 6 hrs Z-Transform and Inverse Z Transform for analyzing discrete time systems. Pulse Transfer function. Pulse transfer function of closed loop systems. Mapping from s-plane to z plane. Solution of Discrete time systems. Time response of discrete time system. Unit-3.0: Stability of Discrete Time System 4 hrs StabilityanalysisbyJurytest.Stabilityanalysisusingbilineartransformation.Designofdigitalcontr ol system with dead beat response. Practical issues with dead beat response design. Unit-4.0: State Space Approach for discrete time systems 10 hrs State space models of discrete systems, State space analysis. Lyapunov Stability. Controllability, reach-ability, Reconstructibility and observability analysis. Effect of pole zero cancellation on the controllability & observability. Unit-5.0: Design of Digital Control System 8 hrs Design of Discrete PID Controller, Design of discrete state feedback controller. Design of set point tracker. Design of Discrete Observer for LTI System. Design of Discrete compensator. Unit-6.0: Discrete output feedback control 8 hrs Design of discrete output feedback control. Fast output sampling (FOS) and periodic output feedback controller design for discrete time systems.

3L + 0T + 0P Unit-1.0: 6 hrs DC motor characteristics: Review of emf and torque equations of DC machine, review of torque-speed characteristics of separately excited dc motor, change into rque-speed curve with armature voltage, example load torque- speed characteristics, operating point, armature voltage control for varying motor speed, flux weakening for high speed operation. Unit-2.0: 6 hrs Chopper fed DC drive: Review of dc chopper and duty ratio control, chopper fed dc motor for speed control, steady state operation of a chopper fed drive, armature current waveform and ripple, calculation of losses in dc motor and chopper, efficiency of dc drive, smooth starting. Unit-3.0: 6 hrs Multi-quadrant DC drive: Review of motoring and generating modes operation of a separately excited dc machine, four quadrant operation of dc machine; single-quadrant, two- quadrant and four-quadrant choppers; steady-state operation of multi-quadrant chopper fed dc drive, regenerative braking. Unit-4.0: 7 hrs Closed-loop control of DC Drive: Control structure of DC drive, inner current loop and outer speed loop, dynamic model of dc motor – dynamic equations and transfer functions, modeling of chopper as gain with switching delay, plant transfer function, for controller design, current controller specification and design, speed controller specification and design. Unit-5.0: 7 hrs Induction motor characteristics: Review of induction motor equivalent circuit and torque- speed characteristic, variation of torque- speed curve with (i) applied voltage, (ii) applied frequency and (iii) applied voltage and frequency, typical torque-speed curves of fan and pump loads, operating point, constant flux operation, flux weakening operation. Unit-6.0: 10 hrs Scalar control or constant V/f control of induction motor: Review of three-phase voltage source inverter, generation of three-phase PWM signals, sinusoidal modulation, space vector theory, conventional space vector modulation; constant V/f control of induction motor, steady-state performance analysis based on equivalent circuit, speed drop with loading, slip regulation. Control of slip ring induction motor: Impact of rotor resistance of the induction motor torque-speed curve, operation of slip-ring induction motor with external rotor resistance, starting torque, power electronic based rotor side control of slip ring motor, slip power recovery.