Alt-BEAM Archive

Message #01465



To: "'beam@corp.sgi.com'" beam@corp.sgi.com,
From: "van Zoelen, Bram SSI-TSEA-352" Bram.A.A.vanZoelen@is.shell.com
Date: Fri, 12 Mar 1999 09:24:55 +0100
Subject: [alt-beam] Re: walker process probs....


My first thought was, "check your wiring to the motor drivers/motors.

Bram
Robotic pages
http://www.xs4all.nl/~vsim


> ----------
> From: Feser, Jason[SMTP:jfeser@ea.com]
> Reply To: Feser, Jason
> Sent: Friday, March 12, 1999 12:57 AM
> To: 'beam@corp.sgi.com'
> Subject: walker process probs....
>
> Maybe you guys could help me out. I've breadboarded a 'miller-style
> walker', but am having some problems controlling the microcore. If I
> disconnect the 74HC245 motor driver, I can get the microcore to produce
> the
> results I'm looking for. I can cycle through the processes properly, and
> add or subtract processes from the loop, but as soon as I add the motor
> driver, it goes into its 'saturated' state. My walker does achieve
> forward
> motion, but it does it by rotating the front motor clockwise and the rear
> counter clockwise at the same time and visa versa. As I understand it,
> it
> should move the front motor clockwise, then the back counterclockwise,
> then
> the front counter, with one motion coming after the other. Is this
> normal?
> Should it be moving two motors at the same time???
>
> Any advice would be appreciated.
>
> Thanks boyz...
>

------------------------------------------------------------------------
eGroup home: http://www.eGroups.com/list/alt-beam
Free Web-based e-mail groups by eGroups.com

Home