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					EE Department, I.I.T Bombay
            +
           ISRO
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)
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

S. Chaudhuri      K.V.V. Murthy
U. B. Desai       S.Merchant
S. Dutta Roy      H. Narayanan
V. M. Gadre       P.C. Pandey
A. Karandikar     P. Rao
G. Kumar          S.C. Sahasrabudhe
D. Manjunath      G. P.Saraph
                  R. K. Shevgaonkar
      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
   Antennas and Microwaves
   Fiber Optics
   Information Networks
   SPANN
   Telematics
   TI-DSP
   Funding in Comm. & SP

Funding Over Last 10 years has been
 around Rs 51 mil (5.1 crores)
     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
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
Some Possible Areas of Co-
operation of Communications
      group with ISRO
     Microwaves & Antennas

Girish Kumar
Girish Saraph
R. K. Shevgaonkar
         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
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

 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

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


    To super-resolve the satellite generated multi-band
    images.



 Should be a ground-based method of post processing.
               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
• 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 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
• Areas of Collaboration
  – Performance of Network Protocols over
    Satellite based Networking
  – On- board networking System
    Control & Computing
       The Control and Computing group has
expertise in diverse aspects of design of control
systems, dynamical systems, optimization and
numerical methods.
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.
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

M.S.Agarwal       A.M.Kulkarni
V.Agarwal         S.V.Kulkarni
A.N.Chandorkar    K.V.V.Murthy
M.C.Chandorkar
K.Chatterjee      H.Narayanan
B.G.Fernandes     S.A.Soman
S.A.Khaparde      V.P.Sundersingh
  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
 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
  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
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
    Microelectronics & VLSI at
           IIT Bombay
•   P. R. Apte         •   H. Narayanan
•   A. N. Chandorkar   •   R. Parekhji (adjunct)
•   M. P. Desai        •   M. B. Patil
•   S. Duttagupta      •   V. Ramgopal Rao
•   R. Lal             •   D. K. Sharma
•   S. Mahapatra       •   J. Vasi
•   K. V. V. Murthy
                      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

•   Silicon CMOS physics and technology
•   MEMS
•   VLSI modeling and simulation
•   VLSI design
•   VLSI CAD tool development
•   Interaction between VLSI technology and design
                          Facilities

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

•   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
•   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

• 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


• 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
Expertise Available which is of
     Relevance to ISRO


  •   IC Design
  •   Technology
  •   Embedded Systems
  •   Sensors & MEMS
  •   Continuing Education Programmes
   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


• 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
              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.
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


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



  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.
            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.

				
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posted:7/22/2011
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