Sunday, December 03, 2006

 

Closed loops on the XY positioning stage...

After a number of mishaps and shorts with the encoder chips I finally stopped being pigheaded and prepared the AS5035 chip in the way Adrian did.


Once I did it the wisdom of his approach in terms of strong connections was obvious. Wish I'd seen that a couple of months ago.


Anyhow, I have both x and y axis positioning stages operating in closed loop mode now. I have a buggy little firmware programme which counts pulses from each axis and turns x and y axis gearmotors accordingly. At least now I have a hardware rig which I can use to work the bugs out of the firmware with. :-)

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