Michael,
Because a Diesel is controlled by quantity and timing of injected fuel
the manufacturers system just seems to work and I would not change it.
Why invest in high pressure electric pumps and solenoids, crank sensors,
and O sensors, throttle position sensors and such.
I too have used PIC controllers. I have moved over to the Arduino
platform for the C compiler optimized for the platform and control. I
admire your desire to put such a system on the table. I would think a
buck-boost regulator would be a nice way to maintain drive speeds as the
bank voltage drops.
A system that starts the aux generator at a preset battery voltage would
be a must.
While we dream, it would be nice to incorporate CV into a navigation
system to control excessive correction at the tiller. Lets face it
mechanical wind vain navigation is stronger than the electronic systems,
but they do work, and the CV may make the electronic systems work better.
Kevin Pemberton
On 09/20/2012 07:59 AM, Michael Mccomb wrote:
> i have been good with IC pics for quite along time and even have a couple of patents... i'd like to build my own controller because it seems to me that in general these devices are extremely overpriced
>
> i'd be interested in what functionality people would like to include in a controller if they could simply choose whatever they wished... ought to explain a bit more, i wish to build a controller that will completely manage a serial diesel electric propulsion system from A to Z including automated battery charging and well, just everything
>
>
>
> i probably understand MOST of the various senor inputs and control outputs that must be provided for and have no problem with any of those but i do have a couple of questions that will probably reveal my extreme ignorance concerning certain functions
>
> for instance.... How does one control fuel flow to a diesel engine electronically. I am really interested in the Hatz / Lombardini type engines but think of fuel flow as being mechanically controlled rather than lending itself to electronic control. I'd love to get ANYONE's input on this question and thanks in advance.
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