SEMINAR ON HY-WIRE TECHNOLOGY by eYKd2a1n

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									     SEMINAR ON


HY-WIRE TECHNOLOGY
INTRODUCTION
Cars are immensely complicated
 machines, but they do an incredibly simple
 job.
Most of the complex stuff in a car is
 decided to turning wheel
The two basic elements that largely dictate
 car design today are
    1. The internal combustion engine
    2. Mechanical and hydraulic linkages
          HY-WIRE BASICS

The defining characteristic of the Hy-wire
 is that it doesn’t have either of those two
 things: engine and mechanical and
 hydraulic linkages
Instead of an engine, it has a fuel cell
 stack
Instead of mechanical and hydraulic
 linkages, it has a drive by wire system
     FUEL CELL –ON HY-WIRE
A fuel cell is an electrochemical energy
 conversion device that converts hydrogen
 and oxygen into water, producing
 electricity and heat in the process.

It provides a DC (direct current) voltage

It can continually recharge a fuel cell by
 adding chemical fuel- hydrogen for an
 onboard storage tank
   Proton exchange membrane
            fuel-cell
The type of fuel cell that is used in the
 Hy-wire car is the Proton exchange
 membrane fuel cell.
The four basic elements of a PEM fuel cell
 are:-

     The anode, the negative post of the fuel cell

     The cathode, the positive post of the fuel cell
Electrolyte
     It is the proton exchange membrane .
     It blocks electrons .


The catalyst
    It is a special material that facilitates the reaction of
     oxygen and hydrogen.
    It is usually made of platinum powder very thinly
     coated onto carbon paper or cloth.
    It is rough and porous .
    The platinum-coated side of the catalyst faces the
     PEM.
The working of PEMFC
 Chemistry of a Fuel Cell
          Anode side:
          2H2             => 4H+    + 4e-

          Cathode side:
          O2 + 4H+ +4e- => 2H2O

          Net reaction:
          2H2 + O2        => 2H2O
 DRIVE BY WIRE TECHNOLOGY
 The ‘brain’ of Hy-Wire is a central computer
  housed in the middle of the chassis.
 It sends electronic signals to
     The motor control unit to vary the speed.
     The steering mechanism to maneuver the car.
     The braking system to slow the car down .
 It is connected to an array of advanced sensors.
 The computer is connected to the body’s
  electronics through universal docking ports.
                   X-Drive
 X-drive is the driver’s control unit .
 It has two ergonomic groups , positioned to the
  left and right of a small LCD monitor.
 The color monitor in the center of the controller
  displays speed, mileage, fuel level and the rear-
  view images from video cameras on the sides
  and back of the car, in place of conventional
  mirrors.
 A second monitor, on a console beside the
  driver, shows you stereo, climate control and
  navigation information.
 THE X-DRIVE CAN SLIDE TO EITHER SIDE OF THE VEHICLE
             Fuel-Cell stack

 It is made up of 200 individual cells connected in
  series.

 It collectively provide 94 kilowatts of continuous
  power and 129 kilowatts at peak power.

 It is kept cool by a conventional radiator system

 It delivers DC voltage ranging from 125 to 200
  volts
THE HYDROGEN TANKS AND FUEL-CELL STACK IN THE HY-WIRE
             ADVANTAGES
 1. Fuel efficient - a fuel cell vehicle could
 provide twice the fuel efficiency of a comparably
 sized conventional vehicle

 2. Environment friendly - the only bi-product
 formed is water, which is a non-pollutant.

 3. High stability - a low center of gravity, gives
  the architecture both a high stability and superior
  handling .
4. Highly spacious - As there are no
 linkages and engine lot of legroom space
 is available for the passengers.

5. Driver friendly –
    X-Drive can be taken to anywhere inside the car
    Gives the driver a clear view of the road and thus
     increases the drivability.
 6. Freedom of individual expression –
    freedom of individual expression
          DISADVANTAGES
 1. Low safety -An electrical failure would mean
 total loss of control.

 2. Storage and transportation of hydrogen
  fuels – production , transportation and storage
  of hydrogen for the on board fuel cell stack.

 3. Pricing - With the current status of
 development, manufacturing of the Hy-wire cars
 on a mass scale would not at all be economical.
      FUTURE OF HY-WIRE
Fuel cells offer a promising alternative

They need to be compelling, affordable,
 and profitable.

The main challenge is in the field of
 storage of hydrogen
           CONCLUSION
The Hy-wire concept has so profoundly
 brought about changes in the automotive
 industry
GM and other auto makers are planning
 to launch such a vehicle for the public
 usage by the year 2020.
THANK YOU

								
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