On 4/25/2010 9:57 AM, Andy Pugh wrote: > Firstly let me make it clear that functional, competent, accurate and > reliable Resolver to Quadrature convertors are available from Pico > Systems and Mesa Electronics: > http://pico-systems.com/resolver.html > (I can only find a mention of the Mesa 7i49 on the price list, but I > understand it does exist) > > Furthermore there are commercial chips to do the conversion too: > http://www.analog.com/en/analog-to-digital-converters/synchroresolver-to-digital-converters/ad2s1200/products/product.html > > For reasons that I am not clear of myself, I eschewed all such > approaches, and decided on a DIY approach, using an Arduino board. I > have written it up on the Wiki. > > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?ResolverToQuadratureConverter > > It handles 3 resolver channels and has been tested to 1600 rpm (the > max speed of my cordless drill). Bench testing indicates that the > quadrature pulses should keep up up to 3750rpm. For higher speeds it > would be necessary to run fewer resolver channels. > > Very nice Andy...
Thanks, Dave ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
