DIY Traction Control

[Brian Michalk]

Where do you get a doppler effect ground speed radar?

> -----Original Message-----
> From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
> Behalf Of Brian Dessent
> Sent: Thursday, March 14, 2002 2:54 PM
> To: diy_efi at diy-efi.org
> Subject: Re: DIY Traction Control
>
>
> Axel Rietschin wrote:
>
> > PS: I'm looking for a device having four wheel speed inputs and
> one output.
> > I'd like to be able to choose what I want as output, for example the avg
> > wheel speed, fastest wheel, slowest wheel, or the median speed,
> ignoring the
> > fastest and slowest and averaging the remaining two. The idea
> is to do 4wd
> > traction control with a 2wd TC system, using the output of this
> device as
> > "driven" wheel speed and a non-contact speed sensor (a Doppler
> effect ground
> > speed radar) as "undriven" wheel speed.
> >
> > Any idea?
>
> National's LM2907 can do select-low, select-high, and select-average of
> two wheel speed inputs.  See page 16 of the datasheet for sample
> circuits.
>
> http://www.national.com/ds/LM/LM2907.pdf
>
> Brian
>
> ----- End of forwarded message from owner-diy_efi at diy-efi.org -----
> ------------------------------------------------------------------
> ----------
> 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
>

----- End of forwarded message from owner-diy_efi at diy-efi.org -----
----------------------------------------------------------------------------
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