What are you changing on the hardware? On 2014-11-21 13:06, Rene Hopf wrote: > IRAMX-drv-v2 as a driver board, and res with the stm32f4discovery. > The video is only at 160V. > If we met in Stuttgart, it is the same hardware, running at higher voltage, > and improved software. > I am currently developing new hardware. > > Rene > >> On 21 Nov 2014, at 09:39, Marius Liebenberg <mar...@mastercut.co.za> wrote: >> >> 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 > > ------------------------------------------------------------------------------ > 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
