Pressure Sensor (Was: Injecor impedance?)

[:) :(]

Hmmm..

I see your piont Andrew, newer gave that a thought.. I think I will do what 
I usally do, hook it up and see if it works.

/klas


>From: "Andrew R. Ghali" <andrewg at 16paws.com>
>Reply-To: diy_efi at diy-efi.org
>To: diy_efi at diy-efi.org
>CC: "Klas" <perkelpuk at hotmail.com>
>Subject: Re: Pressure Sensor (Was: Injecor impedance?)
>Date: Mon, 04 Dec 2000 09:03:50 -0800
>
>On Mon, 04 Dec 2000 12:03:43 -0000, "Klas" <perkelpuk at hotmail.com> wrote:
> >...
> >A couple of more things:Is it a lot of oscillating going on in the 
>pressure
> >sensor signal? Plan to sample once per revolution and i do not want a lot 
>of
> >difference between the different revs. How many loadsites do you´need to
> >regulate the fuel decently (was thinking of 8 rpm and 8 map total of 64
> >sites), of course many are better but what can be sufficient, as I dont 
>want
> >the mapping to take all day.
>
>I would guess that you're seeing the individual intake cycles that are not
>overlapping.  You'll probably need to either a) analog low-pass filter the
>signal, b) digital low-pass filter the signal or c) select an exact time
>relative to the crank each revolution to sample (probably not the best
>solution).  Option (b) would be the most optimal because it's easy to "fix"
>and if you're really good, you can base the filter on the RPM and the 
>engine
>characteristics to get much faster response.
>
>Hope this helps-
>
>Andrew
>----------------------------------------------------------------------------
>To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the 
>quotes)
>in the body of a message (not the subject) to majordomo at lists.diy-efi.org
>

_____________________________________________________________________________________
Get more from the Web.  FREE MSN Explorer download : http://explorer.msn.com

----------------------------------------------------------------------------
To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org