Bill,
You should speak to Fred Proctor at the National Institute for Standards
and Testing (NIST) at [mailto:[EMAIL PROTECTED]]. He has done a lot
of work with RTL including robotics with 6 DOF.
See also http://www.isd.mel.nist.gov/projects/emc .
Hope this helps.
Regards
John Craddock
-----Original Message-----
From: Bill Goodwine [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 22, 1999 10:36 AM
To: [EMAIL PROTECTED]
Subject: [rtl] newbie questions: motion control boards advice
snip
>Any insight into any or all of the following would be *greatly*
appreciated.
>
>1. Aside from rtlinux.org and the links therefrom, are there any web
resources
>I should have checked before emailing this list (sorry if this is the
case), or
>any that are particularly useful?
See above.
>2. Does anyone have any experience regarding particular motion control
boards
>under RTLinux that can offer advice about what to get or avoid? Does
any
>motion control board manufacturer actually support (officially or
otherwise)
>RTLinux?
Have a look at the ServoToGo card at http://www.iglou.com/servotogo/
>3. Since I need to control 18 degrees of freedom, if the motion control
board
>we choose has less than, say, 8 axes, we will need an extended
backplane
>computer or other special bus architecture to provide enough slots for
the
>boards. Are there any potentially major problems lurking here?
>From memory, I think you can get 6 axes on the STG card and they can be
cascaded.
>4. I'm new to real time programming, but my naive guess is that the
decision
>between QNX and RTLinux simply boils down to whether the built-in
support that
>I will get from some boards is worth the cost of the operating system.
Will we
>be pretty much on our own when it comes to writing a driver for
whatever board
>we buy, or is there a long list of them for which drivers already have
been
>written? I bought the "Writing Device Drivers" book, but, really, is
it any
>big deal to write a device driver, having never done it before?
Fred has already used the STG card with RTL. Don't re-invent the wheel.
Go with RTL!
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