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electronic fuel injection

Discussion in 'General Electronics' started by dheepak, May 17, 2004.

  1. dheepak

    dheepak Guest

    i am currently doing a project on multiple fuel injection in auto
    engines.i would like to get some information on my subject including
    basic ideas and practical requirements.i also want to know how to
    achieve maximum efficiency using electronic fuel injection.any kind of
    help is appreciated...thanks
     
  2. Rich Grise

    Rich Grise Guest

    This is terribly vague. What don't you know? Do you know how to design,
    build, and program a microprocessor circuit? Do you know if the injectors
    will be solenoid-driven, or some other technique? Do you know about PWM?
    Do you know about power MOSFETs? Do you know about the automotive electrical
    environment?

    Ths simplest answer is, interrupt your microprocessor at some repeatable
    time during the timing cycle, and adjust pulse width, duty cycle, and
    delay until you get the best efficiency.

    Good Luck!
    Rich
     
  3. Check this out, I've watched this project for about a year or so though
    not too much lately as the car I was going to "squirt" had a
    transmission failure so that project is now on hold. The megasquirt is
    getting to be pretty good at it's capabilities.
    http://www.bgsoflex.com/megasquirt.html
     
  4. Robert Baer

    Robert Baer Guest

    Too bad that it is unreliable from 165C and higher...
     
  5. That's why you put it inside the passenger compartment, just like the
    auto manufacturers. I really don't see that as a problem for a DIY
    project.
     
  6. David Yates

    David Yates Guest

  7. ~^Johnny^~

    ~^Johnny^~ Guest

    In all but the most rudimentary systems, software-based 3-dimensional mapping
    is involved, and few hackers will get that far...
    --
    -john
    wide-open at throttle dot info

    ~~~~~~~~
    Always listen to experts. They will explain what
    can't be done and why. Then do it. - Robert Heinlein
    ~~~~~~~~
     
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