Engineering Summer Institute

Kansas State University

June 12—August 4, 2017

Course Information

The following courses will be taught during the 2017 Engineering Summer Institute.

Electrical Engineering

SUBJECT-1: WIRELESS COMMUNICATION Class meets Monday - Friday, June 12—August 4, 2017

8:30—9:45 a.m. Faculty Name Dr. Bala Natarajan Department of Electrical and Computer Engineering Kansas State University

SUBJECT-2: DIGITAL SIGNAL PROCESSING Class meets Monday - Friday, June 12—August 4, 2017

10:15—11:30 a.m., Monday—Friday

Faculty Name Dr. Dwight Day Department of Electrical and Computer Engineering Kansas State University

SUBJECT-3: DESIGN OF AC MACHINES Class meets Monday - Friday, June 12—August 4, 2017

8:30—9:45 a.m., Monday—Friday Faculty Name Dr. Behrooz Mirafzal Department of Electrical and Computer Engineering Kansas State University

ELECTRICAL ENGINEERING SUBJECT-1: WIRELESS COMMUNICATION

Course Outline

Course Dates: Class meets Monday - Friday, June 12—August 4, 2017 Final Exam/Final Project— last week (days to be determined)

Monday 8:30-9:45 a.m. 1092 Fiedler Recitation, Quizzes/Exams

Tuesday 8:30-9:45 a.m. 0093 Engineering Hall Lecture

Wednesday 8:30-9:45 a.m. 0093 Engineering Hall Lecture

Thursday 8:30-9:45 a.m. 0093 Engineering Hall Lecture

Friday 8:30-9:45 a.m. 1092 Fiedler Computer Lab/Homework; discussion

Faculty Name:

Dr. Bala Natarajan

Department of Electrical and Computer Engineering

Kansas State University

Textbook (required): Wireless Communications, Andrea Goldsmith, Cambridge University Press, Hardback publication 2005. Online publication June 2012. Online ISBN 978-0511841224 ; Hardback ISBN 978-0521837163. (Students must purchase their textbook in advance and bring their book with them or obtain it online. Books may be pur-chased from the bookstore or website of their choice. Any format, including paperback or international edition, is acceptable.) Course Description The course addresses the fundamentals of wireless communications and provides an overview of existing and emerging wireless communication Technology and networks. It covers radio propagation and fading models, fundamentals of cellular communica-tions, multiple access technologies, and various wireless systems like GSM, CDMA etc., including past and future generation wire-less networks. Course Topics

1. Introduction to Wireless Communication System: Evolution of mobile communications, Mobile Radio System around the world, types of wireless communication systems, comparison of common wireless systems trend in cellular radio and personal communication, second generation cellular networks, third generation (3G) wireless networks, wireless local loop (WLL), wire-less local area network (WLAN), Bluetooth and personal area networks.

2. The Cellular Concept—System Design Fundamentals: Cellular system, hexagonal geometry cell and concept of frequency reuse, channel assignment strategies distance to frequency reuse ration, channel & co-channel interference reduction factor, S/I ratio consideration and calculation for minimum co-channel and adjacent interference, handoff strategies, umbrella cell concept, trunking and grade of service, improving coverage & capacity in cellular system-cell splitting, cell sectorization, repeat-ers, micro cell zone concept, channel antenna system design considerations.

3. Mobile Radio Propagation Model and Small Scale Fading and diversity: Large scale path loss:-free space propagation loss equation, path-loss of NLOS and LOS systems, reflection, ray ground reflection model, diffraction, scattering, link budget de-sign, max. distance coverage formula, empirical formula for path loss, indoor and outdoor propagation models, small scale mul-tipath propagation, impulse model for multipath channel, delay spread, Feher’s delay spread, upper bound small scale, multi-path measurement parameters of multipath channels, types of small scale fading, Rayleigh and Rician distribution, statistical for models multipath fading channels and diversity techniques in brief.

4. Multiple Access Techniques: Introduction, comparisons of multiple access strategies TDMA, CDMA, FDMA, OFDM, CSMA Protocols.

5. Wireless Systems: GSM system architecture, radio interface, protocols, localization and calling, handover, authentication and security in GSM, GSM speech coding, concept of spread spectrum, architecture of IS-95 CDMA system, air interface, CDMA forward channels, CDMA reverse channels, soft handoff, CDMA features, power control in CDMA, performance of CDMA Sys-tem, RAKE receiver, CDMA2000 cellular technology, GPRS system architecture.

6. Recent trends: Introduction to Wi-Fi, WiMAX, ZigBee networks, software defined radio, UWB radio, wireless adhoc network and mobile portability, security issues and challenges in a wireless network.

ELECTRICAL ENGINEERING SUBJECT-2: DIGITAL SIGNAL PROCESSING

Course Outline

Course Dates: Class meets Monday - Friday, June 12—August 4, 2017 Final Exam/Final Project— last week (days to be determined)

Monday 10:15-11:30 a.m. 1092 Fiedler Computer Lab, Quizzes/Exams

Tuesday 10:15-11:30 a.m. 0093 Engineering Hall Lecture

Wednesday 10:15-11:30 a.m. 0093 Engineering Hall Lecture

Thursday 10:15-11:30 a.m. 0093 Engineering Hall Lecture

Friday 10:15-11:30 a.m. 1092 Fiedler Computer Lab Work/Homework/Group Assignments

Faculty Name:

Dr. Dwight Day

Department of Electrical and Computer Engineering

Kansas State University

Textbooks (2 required): 1. Signal Processing and Linear Systems, by Lathi, 1st Edition, ISBN 0-941413-35-7 2. Digital Signal Processing Using MATLAB, by Ingle and Proakis, 4th Edition, ISBN 978-1-305-63512-8

(Students must purchase their textbooks in advance and bring their books with them or obtain them online. Books may be purchased from the bookstore or website of their choice. Any format, including electronic, paperback or inter-national edition, is acceptable.)

Course Description The purpose of this course is to provide an understanding of Digital Signal Processing. Topics include: Introduction to digital signal processing and application, discrete time signals and systems; Analysis of LTI systems; Structures of discrete time systems; Filter designing techniques; DFT and FFT; Architecture of DSP Processors, and Multi-rate Signal Processing and applications.

1. Introduction to DSP: Signals, systems and signal processing, classification of signals, elements of digital signal processing system, concept of frequency in continuous and discrete time signals, periodic sampling, frequency domain representation of sampling, reconstructions of band limited signals from its samples.

2. Discrete-Time Signals and Systems (Frequency Domain analysis): Z-transform and inverse Z-transform, linear convolution and its properties, linear constant coefficient difference equations, frequency domain representation of discrete-time signals & systems, representation of sequences by discrete-time Fourier transform, (DTFT), properties of discrete time Fourier trans-form, and correlation of signals, Fourier transform theorems.

3. Analysis of Linear Time Invariant System: Analysis of LTI systems in time domain and stability considerations. frequency response of LTI system, system functions for systems with linear constant-coefficient difference equations, frequency response of rational system functions relationship between magnitude and phase, all pass systems, in-verse systems, minimum/maximum phase systems, systems with linear phase.

4. Structures for Discrete Time Systems: Block diagram and signal flow diagram representations of linear constant-coefficient difference equations, basic structures of IIR systems, lattice and lattice-ladder structures, transposed forms, direct and cascade form structures for FIR systems, linear phase FIR structure, effects of co-efficient quantization.

5. Filter Design Techniques: Design of discrete-time IIR filters from continuous-time filters approximation by derivatives, impulse invariance and bilinear transformation methods; design of FIR filters by windowing techniques.

6. Discrete-Fourier Transform & Fast Fourier Transform: Representation of periodic sequences: The discrete Fourier series and its properties Fourier transform of periodic signals, sampling the Fourier transform, the discrete Fourier transform, properties of DFT, linear convolution using DFT. FFT-efficient computation of DFT, Goertzel algorithm, radix2 decimation-in-time and dec-imation-in-frequency FFT algorithms.

7. Advance DSP Techniques: Multirate Signal Processing: decimation, interpolation, sampling rate conversion by rational fac-tor. Adaptive filters: Introduction, basic principles of forward linear predictive filter and applications such as system identifica-tion, echo cancellation, equalization of channels, and beam forming using block diagram representation study only.

8. Architecture of DSP Processors & Applications: Harvard architecture, pipelining, multiplier-accumulator (MAC) hardware, architectures of fixed and floating point (TMSC6000) DSP processors. Applications.

ELECTRICAL ENGINEERING SUBJECT-3: DESIGN OF AC MACHINES

Course Outline

Course Dates: Class meets Monday - Friday, June 12—August 4, 2017 Final Exam/Final Project— last week (days to be determined)

Monday 8:30-9:45 a.m. 2192 Engineering Hall Computer Lab, Quizzes/Exams

Tuesday 8:30-9:45 a.m. 0096 Engineering Hall Lecture

Wednesday 8:30-9:45 a.m. 0096 Engineering Hall Lecture

Thursday 8:30-9:45 a.m. 0096 Engineering Hall Lecture

Friday 8:30-9:45 a.m. 2192 Engineering Hall Computer Lab Work/Homework/Group Assignments

Faculty Name:

Dr. Behrooz Mirafzal

Department of Electrical and Computer Engineering

Kansas State University

Textbooks (highly recommended): 1. Electric Machinery - A.E. Fitzgerald, C. Kingsley, and S. D, Umans, McGraw Hill, 6th Edition, ISBN: 978-0070211346

2. Design and Testing of Electrical Machines – M. V. Deshpande, 2009, Publisher: PHI, ISBN: 978-8120336452

(Students should purchase their textbooks in advance and bring their books with them or obtain them online. Books may be purchased from the bookstore or website of their choice. Any format, including electronic, paperback or international edition, is acceptable.)

Course Description The design of most of the electrical equipment (machines) is an iterative process. The final objective is to design the most efficient equipment, with minimum size, weight and cost. There are number of constraints in the actual design process. Research in the field of materials science directly affects the design of machines. This subject focuses on conventional design procedure for AC machines as well as the application of computers for machine design.

1. DESIGN OF THREE PHASE INDUCTION MOTOR: MAIN DIMENSIONS: Output equation, choice of specific loadings, separation of D and L. STATOR DESIGN: Stator winding design, Calculation of no. of turns per phase, Conductor’s area, Shape of the stator slots, Area of stator slots, Stator teeth design, Depth of the stator core, Length of air gap, Numerical problems related to above topics. ROTOR DESIGN: A. Squirrel cage rotor – Selection of no. of rotor slots, Effect of harmonics and choice of rotor slots to minimize harmonics, vibration, noise and voltage ripples, Rules for selecting no. of rotor slots, Methods for reducing harmonic torque, Design of rotor bars and rotor slots. Design of end rings and rotor core. B. Wound rotor - Calculation of number of rotor slots, Number of turns, Cross sectional area of rotor conductors, Types of rotor windings, Check for rotor tooth density, Design of rotor slot and rotor core.

2. DESIGN OF SINGLE PHASE INDUCTION MOTOR: Design of main dimensions, Design of stator, Design of rotor, Design of auxiliary winding.

3. DESIGN OF SYNCHRONOUS MACHINE: Output equation and design of main dimensions, Short Circuit Ra-tio (SCR) and its significance, Length of air gap and shape of pole face. ARMATURE DESIGN: Armature wind-ing (Single layer and double layer), Number of armature slots, Slot dimensions, Length of mean turn, Calcu-lation of armature resistance and reactance. DESIGN OF FIELD SYSTEM: Design of magnetic circuit, Open circuit characteristic, Determination of full load field MMF, Design of field winding, Determination of direct and quadrature axis synchronous reactance, Short circuit characteristics. DESIGN OF TURBO ALTERNATORS: Main dimensions, Length of air gap, Stator & Rotor design. Design considerations for low speed alternators and vertically operated alternator. Computer programs and flow charts based on above topics.

4. APPLICATION OF FINITE ELEMENT METHOD IN DESIGN: Introduction to FEM, Application of FEM tech-nique for design problems. Use of open source FEM software for 2D design. Computation of performance parameters of machine using FEM software.