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Author Topic: wanted : resolver to Quadrature conversion  (Read 1498 times)
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cncbasher
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« on: September 17, 2011, 07:24:15 19:24 »

i'm looking for a project or fpga implementation of taking an resolver input and output in quadrature , to enable an old 80's mill to be updated
to a more modern control system as EMC2 .

anyone have a workable solution , or idea's , removing the resolvers and changing to encoders is not an option on this machine .

 
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« Reply #1 on: September 18, 2011, 07:07:28 19:07 »

I'm not that familiar with FPGA yet but why don't you use some Schmitt-Trigger to change the sine/cosine waves to a encoder like signal ?

It's just an idea but then you have at least a rectangular signal which can be converted to TTL level for further process.
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« Reply #2 on: September 18, 2011, 11:46:16 23:46 »

http://www.iele.polsl.pl/elenota/Freescale/an1942_d.pdf
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« Reply #3 on: September 23, 2011, 08:58:27 20:58 »

http://pico-systems.com/resolver.html
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