Updated EE+ISRO

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EE Department, I.I.T Bombay + ISRO

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The Department of Electrical Engineering at IIT Bombay One of the most active in the institute. The largest in terms of student strength (approximately 320 undergraduates and 300 postgraduates)

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Five main specializations at the post graduate level: Communications and Signal Processing Control & Computing Electronic Systems Micro Electronics Power Electronics and Power Systems. Most faculty members in the dept belong to more than one specialization -cross disciplinary activity being one of the main strengths of the dept.

Communications & Signal Processing : 

Communications & Signal Processing S. Chaudhuri U. B. Desai S. Dutta Roy V. M. Gadre Karandikar G. Kumar D. Manjunath K.V.V. Murthy S.Merchant H. Narayanan P.C. Pandey P. Rao S.C. Sahasrabudhe G. P.Saraph R. K. Shevgaonkar

Research Areas : 

Research Areas Signal processing Wireless communication Antennas and Microwaves Communication networks Computer vision Media processing Biomedical signal and image processing Artificial neural networks

Communication Laboratories: 

Communication Laboratories Antennas and Microwaves Fiber Optics Information Networks SPANN Telematics TI-DSP

Funding in Comm. & SP : 

Funding in Comm. & SP Funding Over Last 10 years has been around Rs 51 mil (5.1 crores)

Projects from Industry: 

Projects from Industry Antennas and Microwaves : DRDO, AICTE, ARDB, BRNS, Hitachi Metals, Aero-Marine, Kleinzaid, ECIL Fibre Optics : MHRD, AICTE, DOE Information Networks : DST, MHRD, Tata Infotech, Analog Devices, GE, Verifone, TI, Cirrus Logic, Switchon SPANN : Cirrus Logic, Texas Instruments, Tata Infotech, CE, Analog Devices, SASKEN, Aquila TI-DSP : TI, NRB, AICTE

Laboratory Facilities: 

Laboratory Facilities Antennas and Microwaves: Vector Network Analyzer, Microwave generator, Microwave power meter and frequency counter, Antenna pattern measurement system Fibre Optics:Digital Optical Communication kit, Single and Multimode fibre experimental setup, Optical Time domain reflectometer SPANN: 30-strong heterogeneous cluster,laser range camera, thermal camera, Bluetooth kit

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Some Possible Areas of Co-operation of Communications group with ISRO

Microwaves & Antennas: 

Microwaves & Antennas Girish Kumar Girish Saraph R. K. Shevgaonkar

Titles of Research: 

Titles of Research Broadband Microstrip Antennas (MSA) Circularly Polarized MSA Compact and Multi Frequency MSA Microstrip Antenna Arrays Broadband Antennas Microwave Integrated Circuits Prof.Girish Kumar

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Synthetic Aperture Radar Analysis SAR data analysis for high resolution, 2-D mapping from a satellite / airborne platform Moving target analysis for a SAR mapping Moving target detection and tracking using an Inverse Synthetic Aperture Radar (ISAR) Prof.G.P.Saraph

Funded Projects : 

Funded Projects Study of MIC tapered slot antenna and its arrays, DRDO, 1993 - 1997. Broadband microstrip antennas, AICTE, 1997 – 2000 Microstrip antenna array for airborne steerable GPS system, ARDB, Phase I, 1999 - 2001. EMI / EMC investigations of lasers and pulsed power sources, BRNS, 1999 - 2002. Microstrip antenna array for airborne steerable GPS system, ARDB, Phase II, 2002 - 2003.

Super-Resolution Imaging: 

Super-Resolution Imaging Given a number of low resolution Images of a scene (terrain), generate a spatially super-resolved image of the same scene (terrain). IITB investigator has used ‘blur’ as a cue in super-resolving images. EE : Prof. Subhasis Chaudhuri ISRO Collaborator : Dr. K. L. Majumdar SAC, Ahmedabad.

SAC/ISRO Requirement: 

SAC/ISRO Requirement To super-resolve the satellite generated multi-band images. Should be a ground-based method of post processing.

Scope for Collaboration: 

Scope for Collaboration Commonly attempted blur or spatial shift as a cue cannot be used here. Need to look for a suitable cue. Need to devise a method for cue fusion. Evaluation of the know-how generated on real data. Project Duration About 3 years

Information Networks Research: 

Information Networks Research Current Research Focus and Projects Teletraffic Modelling Multiprotocol Label Switching Differentiated Services for Quality of Service in Internet Multicast for Multimedia over Internet Active Networks Queueing Models High Performance Network Protocols Wireless Networks Prof.A. Karandikar Prof.D. Manjunath

VLSI and Networking: 

VLSI and Networking VLSI design for Packet Classifier and Filters Fast Packet Switches Convolutional and Turbo Decoders Prof.M.P.Desai Prof.A. Karandikar Prof.D. Manjunath

ISRO and Information Networks Lab: 

ISRO and Information Networks Lab Areas of Collaboration Performance of Network Protocols over Satellite based Networking On- board networking System

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Control & Computing The Control and Computing group has expertise in diverse aspects of design of control systems, dynamical systems, optimization and numerical methods.

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Activities and Interests of the Control & Computing group which are likely to be of interest to ISRO. Design of control laws for guidance, active vibration control, control of engines, robust operation of Pulse Width Modulated amplifiers. Optimal control for satellite orientation and control. Simulations of large order interconnected dynamics for various studies such as sensor locations, fault and condition monitoring, flutter and stability evaluation, in general, response of dynamic loads. Computational aspects of Large scale system dynamics (eg eigenvalue and eigenvector computation of large (million state variables) electrical networks Partitioning techniques for large system problems : optimization, simulation, sensitivity studies.

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Electronic Systems Current R&D Areas Speech analysis and synthesis, Speech enhancement and encoding, Speech processing for adverse listening conditions, Digital measurements and instrumentation, Biomedical instrumentation and signal processing, Instrumentation for ultrasonic hyperthermia, Fluid flow measurement using ultrasonic techniques.

Power Electronics & Power Systems Group : 

Power Electronics & Power Systems Group M.S.Agarwal V.Agarwal A.N.Chandorkar M.C.Chandorkar K.Chatterjee B.G.Fernandes S.A.Khaparde A.M.Kulkarni S.V.Kulkarni K.V.V.Murthy H.Narayanan S.A.Soman V.P.Sundersingh

Possible Project Areas with ISRO: 

Possible Project Areas with ISRO EMI / EMC studies. High frequency, efficient power supply design and simulation. Linear and rotary actuator design and modelling. Power electronic converters for actuators. Digital control design for power electronic converters, DSP hardware and software implementations. Finite element modelling of electro-mechanical systems. Matrix computations, sparse matrix computation routines.

Selected Ongoing Projects - Consultancy and Sponsored: 

Selected Ongoing Projects - Consultancy and Sponsored EMI studies (General Electric, USA) Induction heating converter design 150 kVA DSP-controlled harmonic compensator for induction furnaces System studies for India ’ s first thyristor-based 400 kV transmission line compensator DSP hardware and realtime software for power electronics High frequency power supply Sensorless motor control methods

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Ongoing research activities EMI / EMC issues Object oriented power system analysis Power system deregulation issues Systems aspects of FACTS devices Power electronic converters and control Electric Power Quality Real time simulation of power electronics and machines Electronic ballasts and active rectifiers High frequency power supplies Electric machine design, analysis and modelling

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Facilities EMI spectrum analyser PCs and Sun workstations with system simulation software Finite Element Modelling software Power electronic converter modules DSP based control hardware and software for power electronics DSP hardware and software development tools Laboratory instrumentation: Digital storage oscilloscopes, current probes, high voltage probes, data acquisition systems

: 

P. R. Apte A. N. Chandorkar M. P. Desai S. Duttagupta R. Lal S. Mahapatra K. V. V. Murthy H. Narayanan R. Parekhji (adjunct) M. B. Patil V. Ramgopal Rao D. K. Sharma J. Vasi Microelectronics & VLSI at IIT Bombay

Overview: 

Overview Started in 1984 Group activity emphasized Main thrust in silicon CMOS devices, technology and design Group consists of 12 faculty and 80 post-graduate students

Areas of R & D: 

Areas of R & D Silicon CMOS physics and technology MEMS VLSI modeling and simulation VLSI design VLSI CAD tool development Interaction between VLSI technology and design

Facilities: 

Facilities Class 1000 Clean Room Excellent characterization facility SEM; photoluminescence VLSI design workstations Simulation workstations Intel Microelectronics Lab TCS VLSI Design Lab

Sponsored Projects: 

Sponsored Projects Over 40 projects since 1985 totaling Rs. 150 million Projects cover all areas of Microelectronics & VLSI Projects from major government agencies, and leading Indian & international companies

Some Ongoing Projects: Physics & Technology: 

Some Ongoing Projects: Physics & Technology Microfabricated silicon sensors (MHRD) Silicon sensors for electroporation (Praman Technology) Characterization of SiGe HBTs (DST) Characterization of vertical MOS transistors (Siemens)

Some Ongoing Projects: Modeling & Simulation: 

Some Ongoing Projects: Modeling & Simulation Development of a hot-carrier simulator (Motorola) Modeling of power semiconductor devices (GE) RF MOSFET Models (IME, Singapore) Oxide scaling effects on design issues (Intel)

Some Ongoing Projects: VLSI Design & CAD Tools: 

Some Ongoing Projects: VLSI Design & CAD Tools Interconnect capacitance extraction by Monte Carlo (Intel) Interconnect parasitics extraction (SAS) Parallel simulation of large circuits (500,000 nodes) (NRB) Combinatorial optimization by transformation into circuit problems High-speed comparator design (TII) Design issues with high-k dielectrics (Intel) VLSI Design training (MIT, TCS)

Industry Collaborations: 

Industry Collaborations Projects with Indian industry: BEL, ITI, SAS, TI, Cypress, ControlNet, etc Projects with international industry: Intel, Motorola, GE, Siemens, National, NTT, Sun Industry sponsorship of students Continuing Education Programs for industry

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Expertise Available which is of Relevance to ISRO IC Design Technology Embedded Systems Sensors & MEMS Continuing Education Programmes

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Custom IC Designs as per ISRO requirements Design of Analog, Digital, RF (Radio Frequency) and Mixed-Signal chips. Design of basic OP AMP blocks to complex high frequency (Phase Locked Loop) PLL and low noise front-ends of Radio Frequency systems. A high-speed comparator design has been successfully transferred to Texas Instruments and a new, very fast Analog Viterbi Decorder is being designed for SASKEN

Technology: 

Technology Extensive study on radiation hard Technologies for Space/Military Applications Delivered a Radiation hard technology to ITI under a ISRO sponsored Project Facilities to fabricate and characterize Integrated Circuits

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EMBEDDED SYSTEMS FLOATING POINT FOURIERTRANSFORM CHIP In many applications, it is advantageous to study a signal in the frequency domain. Obvious examples are vibration analysis for a spacecraft. Designing a chip which will produce a floating point FFT from a stream of time domain data. The input data will be typically from an A to D converter - and can be upto 16 bit wide.

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Will test the design using a fast commercially available A to D converter and an FPGA chip from Xylinx. Subsequently, the design will be fabricated as an ASIC. Initial simulations indicate may be able to handle data rates as high as 50 M Samples per second where each sample is 16 bits wide. Thus, the speed will be essentially limited by the A to D conversion rate. All internal operations are in 32bit floating point format.

Sensors & MEMS: 

Sensors & MEMS Our Current Focus Areas: Ion Sensitive Field Effect Transistors (expertise with the electrolyte-insulator-semiconductor systems) Cantilever Structures for Bio-MEMS Microfluidic structures for single cell electroporation and capillary electrophoresis

Continuing Education Programmes: 

Continuing Education Programmes We can offer in-house training programmes in practically all areas of Electrical Engineering including Communication Networks, DSP, Antennas and microwaves, Speech Processing, VLSI Design, Nanotechnology, CAD Tools, MEMS, Embedded Systems, Emerging Technologies, etc.

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Concluding Remarks There is already good collaboration between EE Department & ISRO. The time is now ripe for more long range projects wider in scope and stronger in impact.