[Bulk] Re: [Diy_efi] Donegan ECU

Tue Jan 9 13:52:42 UTC 2007

OK, I'll proceed with the idea that tentatively I can make stand-alone
sensor boards likely without patent infringement. The software I'll have
to really think about...

On Mon, 2007-01-08 at 21:58 -0500, Daniel Nicoson wrote:
> Your only threat to the patent holders is if you start up a commercial
> venture using their ideas.  The actual concepts are in their patent and well
> know by others, the hard part as you must know by now is making those
> concepts into reality.
> 
> What is the patent number?  I'd like to look it up.
> 
> I'm curious if all the commercial users are actually operating under "this"
> patent?  Its amazing how many ways you can engineer around a patent for
> commercial purposes.  Also, its amazing how many patents cover the same
> general area.
> 
> I think Harley already uses ion sensing ignition on their newer bikes.  I
> think BMW on their cars at least.  Who else has it in production?
> 
> There was another home-brew effort out there a while back but I haven't seen
> any final DIY version yet.
> 
> A few links:
> http://www.fs.isy.liu.se/~larer/ISIS/Doc/NieEri_1998_CSM.pdf
> http://www.fs.isy.liu.se/~larer/ISIS/
> http://www.fs.isy.liu.se/~larer/Projects/main.html
> 
> Of course the Megasquirt guys were working on this too, don't think they've
> finished anything either.
> 
> Wish I was smart enough and had enough time...
> 
> I can solder <ha>!
> 
> Later,
> 
> Dan Nicoson
> 
> -----Original Message-----
> From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On
> Behalf Of bearbvd at mindspring.com
> Sent: Monday, January 08, 2007 9:03 PM
> To: diy_efi at diy-efi.org
> Subject: RE: [Bulk] Re: [Diy_efi] Donegan ECU
> 
> 
> Original Message:
> -----------------
> From: Steven Donegan donegan at donegan.org
> Date: Mon, 8 Jan 2007 07:53:40 -0800 (PST)
> To: diy_efi at diy-efi.org
> Subject: RE: [Bulk] Re: [Diy_efi] Donegan ECU
> 
> 
> The hardware portion is simple - a current mirror and high voltage supply.
> The software may have to be done by individuals for their own non-profit
> use as ion sensing for the purpose of engine optimization appears to be a
> patented idea. Anyone want to ask the patent holders how they would feel
> about hobbyist use of their patented ideas?
> 
> I, for one, don't give much of a pharke how patent holders feel about hobby
> use of patented ideas. A patent only protects against COMMERCIAL use by
> others, not private usage.
> 
> Greg
> 
> Daniel Nicoson <A6intruder at myo-p.com> wrote: Please tell us more about your
> ion sensing system...
> 
> Dan Nicoson
> 
> -----Original Message-----
> From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On
> Behalf Of Steven Donegan
> Sent: Monday, January 08, 2007 10:01 AM
> To: diy_efi at diy-efi.org
> Subject: RE: [Bulk] Re: [Diy_efi] Donegan ECU
> 
> I'm working on the basic circuit(s) right now although I have the FreeRTOS
> real time OS already running on an LPC2106 - need to do minor things to that
> port to make it run on the LPC2138 but I'll handle that to start off with.
> Anyone interested in assisting will be heartily welcomed :-) Working on an 8
> channel Ion sensing board right now...
> 
> Andrew Hopton  wrote: Hi,
> 
> I can also help with programming in C.  Happy to pitch in if needed.
> 
> Andrew.
> 
> -----Original Message-----
> From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]
> On Behalf Of TomC
> Sent: Friday, 5 January 2007 5:04 PM
> To: diy_efi at diy-efi.org
> Subject: RE: [Bulk] Re: [Diy_efi] Donegan ECU
> 
> 
> Let me know when some programming is required. I've programmed in C for
> the last 20 years.
> 
> Tom
> 
> 
> 
> -----Original Message-----
> From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On
> Behalf Of Steven P. Donegan
> Sent: Thursday, January 04, 2007 7:34 PM
> To: diy_efi at diy-efi.org
> Subject: Re: [Bulk] Re: [Diy_efi] Donegan ECU
> 
> 
> Well, the electronics are actually fairly easy - the 4 O2 sensor inputs
> I put in the current design will handle narrow or wide band injectors.
> Outputs to control tranny/other stuff - interesting and perhaps if a
> 'real' application arises (ie explain exactly what you want/need) I'll
> add it. Not hard to add things to my design in hardware and software is
> C so I expect folks will pitch in when the time comes.
> 
> And thank you very much for the feedback!
> 
> On Thu, 2007-01-04 at 20:29 -0500, Jay Rabe wrote:
> > On 1/4/07, Steven P. Donegan  wrote:
> > >
> > > I have not yet added OBDII to my project - it appears that I have to
> 
> > > if it is going to be plug compatable for my Z28 so that will likely
> > > happen. My intent for this project is a universal EFI/ECM/PCM/MSD
> > > box - something useful on any engine up to 8 cylinders. If it lacks
> > > any inputs or outputs tell me and I'll add them :-)
> >
> >
> > A few things...
> >
> > If you build this ecu only for a returnless fuel system, this limits
> what
> > fuel pumps you can use.    http://fuel-pumps.net/fuelpumpsfaq7.html#9
> > When writing the software i assume you'd give the option of a normal
> > relay powered style fuel pump.
> >
> > So all this below would be in my dream standalone computer.  This is
> mostly
> > way over the top.
> >
> > One thing i've always wanted to see implimented is something to make
> fueling
> > a variable vane (variable ar) turbo engine "easy" to control fuel.  I
> would
> > think an extra pressure transducer to monitor exhaust pressure before
> > it goes into the turbo would be very helpful to give a new
> > compensation for
> MAP
> > systems.   Even MAF systems could probably benefit from this on the
> ignition
> > side of things.  Yeah these are not common, but i think having the
> > ability to fuel them properly will help their popularity and they are
> > being used
> by
> > a few automakers.   This should help them become more common soon.
> Also
> > some kind of circuitry to control the variable actuator.  Maybe a
> > potentiometer to monitor this?  Or, maybe just the actuator
> > potentiometer
> is
> > enough for the fuel/ign compensation?
> >
> > Another thing would be variable cam(s) control.  I've been dreaming of
> 
> > a worm gear "solenoid" controled cam timing adjuster for timing belt
> engines.
> > It would probably need a potentiometer in it to know where it is.
> > This could be very beneficial if done properly. I know, it would be
> > tough to
> make
> > an adjuster blah, blah, it would be cool tho...  I know you can tell
> > where the timing is from the crank signal vs. the cam signal, but i
> like
> > potentiometers.   Grab a meter and see what position its by its
> voltage
> > instead of an oscilloscope and all that fun.
> >
> > If you could make it OBD-II capable, you just might be building the
> > next step in standalone computers.  96 and newer cars who have to pass
> 
> > OBD port only emissions could actually pass emissions.  It would
> probably never get
> > EPA certified if they knew it was going to be tunable.   OBD II port
> > replicators are illegal...  Maybe leak some software after the
> > release???
> >
> > A self learn circuit for fuel/ignition would be cool.  Id imagine it
> > would be mostly coding tho...
> >
> > Wideband capability?  Not easy, but makes tuning very nice...
> >
> > Boost control?  ...gear variable?
> >
> > Traction control input or traction control?  Maybe like a rev
> > limiter... Maybe an adjustable slip allowance...
> >
> > Launch control?
> >
> > Full throttle shift?
> >
> > Software/hardware to allow a secondary set of injectors?
> >
> > Anti lag?  there is misfire and "jet engine" style
> >
> > I wish i knew more about coding and electronics...
> >
> > Jay
> > _______________________________________________
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