Herman Bruyninckx wrote:
>
> I've been following this mailing list for several months now, and my
> impression is that RT Linux has already matured a lot, and can handle many
> hard real-time applications. But I find it hard to prove this to sceptical
> colleagues: our department is currently investigating which RTOS to use, to
> control robots and machine tools for our research projects. I am suggesting
> to use RT Linux, but I get a lot of negative reactions to my suggestions.
> So, I was wondering whether someone on this list has written an `advocacy'
> text for RT Linux, in which its technical features are compared to
> commercial alternatives such as QNX or VxWorks. Of course, I would like
> really detailed arguments, and not just the arguments of price and
> openness.
Look at the EMC project run by NIST.
Ask your colleagues if they could use the EMC project as a springboard
to greater things or whether
they want to spend the research budget on doing the same thing over
again.
The RTOS is only a piece of the puzzle. The whole machine tool / robot
control scenario needs
good community input not small isolated battlefields.
Given the start provided by NIST your department could help develop the
Control philosophy
at a much higher level .
This would be much better than trying to make detailed features of QNX
or VxWorks function.
Once you know where you are going then see if the prototype OS was "good
enough".
I dont mean to sound caustic but we have a chance here to all work
together , profitably.
Perhaps one great argument is that 99% of the time if something doesn't
work someone else has fixed it and they
would be proud to let you know how they did it.
Another is the fact that if you have an OS problem you generally have
access to the system designer to get suggestions.
Yery rarely are you "stuck" with Linux .
Good luck tell us how you get on....
Phil Wilshire
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For more information on Real-Time Linux see:
http://www.rtlinux.org/~rtlinux/
