Hi Rene Very interesting work you have done there. Which one of the hardware options is used in the video demonstration?
On 2014-11-21 03:56, Rene Hopf wrote: >> On 20 Nov 2014, at 19:14, andy pugh <bodge...@gmail.com> wrote: >> >> On 20 November 2014 17:56, Kirk Wallace <kwall...@wallacecompany.com> wrote: >>> I seem to recall, to get fast PWM, I had to use Timer1 and not use the >>> Arduino PWM library. I wonder if the resolver decoder might be improved >>> in a similar fashion? I haven't had the time to study Andy's code, but >>> it may already be optimized. >> It is all driven by interrupts and direct register writes, it doesn't >> use any Arduino libraries at all, not for PWM generation, not for >> analogue reading and not even for computing the arctan. >> (it uses an integer-only algorithm and a lookup table) >> >> http://wiki.linuxcnc.org/uploads/Resolver.pde > My servo amp has a very good resolver interface, featuring 10kHz excitation > with driver(8Vpp signal, to reduce noise), lowpass filter, and 12 bit > resolution. > included are eagle files, spice simulation, and code. > It could be used to make a converter to other interfaces, or you can just use > the whole project to drive your servos. > It has even got a hal implementation to configure things at runtime. > > https://github.com/rene-dev/stmbl > > Rene > > >> >> -- >> atp >> If you can't fix it, you don't own it. >> http://www.ifixit.com/Manifesto >> >> ------------------------------------------------------------------------------ >> Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server >> from Actuate! Instantly Supercharge Your Business Reports and Dashboards >> with Interactivity, Sharing, Native Excel Exports, App Integration & more >> Get technology previously reserved for billion-dollar corporations, FREE >> http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ > Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > from Actuate! Instantly Supercharge Your Business Reports and Dashboards > with Interactivity, Sharing, Native Excel Exports, App Integration & more > Get technology previously reserved for billion-dollar corporations, FREE > http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Regards /Groete Marius D. Liebenberg +27 82 698 3251 +27 12 743 6064 QQ 1767394877 ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users