[Diy_efi] EMS inputs/output?

[Kent Martin]

An engineering thesis is about research and design, not copy
and paste. And things like I could should read I have performed
exactly the task he is embarking on already and am doing again.
If you doubt it then I'll keep you posted.
Kent.
----- Original Message -----
From: "Bruce" <nacelp at bright.net>
To: <diy_efi at diy-efi.org>
Sent: Thursday, July 25, 2002 10:46 PM
Subject: Re: [Diy_efi] EMS inputs/output?


>
> Ya right,
> I like things like *I could* yada yada.
> I still say a well thought out, less complex project would be better.
> Just read thru some oem code, and see what's involved in an oem QUALITY
type
> set up.
> Bruce
>
>
> ----- Original Message -----
> From: "Kent Martin" <kentmartin at froggy.com.au>
> To: <diy_efi at diy-efi.org>
> Sent: Thursday, July 25, 2002 12:58 AM
> Subject: Re: [Diy_efi] EMS inputs/output?
>
>
> > Don't listen to Bruce,
> > Your a fourth year student and I did one in my third year for a project.
> > I could write the code for one in about 3 weeks full time. Your a
student
> > so this should be much trouble.
> > Kent.
> > ----- Original Message -----
> > From: "Bruce" <nacelp at bright.net>
> > To: <diy_efi at diy-efi.org>
> > Sent: Thursday, July 25, 2002 10:47 AM
> > Subject: Re: [Diy_efi] EMS inputs/output?
> >
> >
> > >
> > > Design and build one?.
> > > It would be primitive at best, there's alot to this.
> > > I'd suggest you investigate the Megasquirst ecm, build one of them,
and
> > just
> > > get it correctly calibrated for a particular car, that would be a
years
> > > work.  Or take an existing ecm, and analyse/disect it.
> > > Bruce
> > >
> > > ----- Original Message -----
> > > From: alex averbuch
> > > Subject: [Diy_efi] EMS inputs/output?
> > > I'm on my final year of an Engineering degree and as part of my course
I
> > > have to do a research paper.  Engine Management Systems have always
> > > interested me so I'm going to try building one, only problem is I know
> > very
> > > little about the input and output signals that an EMS requires.
> > > Listed below are all the inputs/outputs that I KNOW are used.  If
anyone
> > > knows of anymore then could you please tell me and include what the
> > function
> > > of the input/output is.
> > > INPUTS
> > >   Water Temp: Used for cold start.
> > >   Manifold Air Pressure: Used to measure Engine Load.
> > >   RPM
> > >   LAMBDA:  Measures Air/Fuel mixtures in exhaust.
> > >   Throttle Position: Used to control boost or for Fueling
compensations.
> > >   Ping Sensor: Detects detonation.
> > >   Crank Angle: Used a trigger for firing each spark plug? NOT TOO SURE
> > ABOUT
> > > THIS
> > > OUTPUTS
> > >   Injector Timing: PWM output? NOT TOO SURE ABOUT THIS EITHER
> > >   Ignition: I have know Idea what this output signal is or where it is
> > sent.
> > > :(
> > >
> > >
> > >
> > > MSN Photos is the easiest way to share and print your photos: Click
Here
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> > >
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> >
> >
> >
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