Sam, one last thing, is it possible to put the spindle-speed-in pin on a halscope channel? I'd like to see what the spindle velocity is when it transitions out of accel sync.
On Sun, Dec 11, 2016 at 4:44 PM Robert Ellenberg <rwe...@gmail.com> wrote: > Thanks for giving it a spin! > > I am still getting the error about the spindle going too fast.. You can > see the threading is happening at 19.12 ipm and the axis max vel is > 30ipm. I tried a similar config and got the same result (could be both > configs have some odd issue we have not figured out.) > > http://electronicsam.com/images/KandT/testing/robthreading/latest/newthreadingfix2Error.png > > > There's definitely an edge case there I didn't account for. I'll keep > working on it and see if I can isolate a test case to reproduce. > > Current 2.7 behavior with the blip at the beginning (again - didn't see > this with your latest push) > > http://electronicsam.com/images/KandT/testing/robthreading/latest/current2.png > > > Another thing I'm noticing is that my modified position-error calculation > seems to perform worse with the stock-like velocity estimate (in terms of > steady-state error). I'll play with a few approaches and see if I can get > something better than stock. > > Sam, do you do any kind of filtering / averaging in your spindle-speed > input? It would be interesting to see the effect if so. I suspect that the > velocity signal could be filtered significantly without impacting the > position tracking performance. > > Best, > Rob > ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today.http://sdm.link/xeonphi _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
