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
