That's really handy! It would be really helpful to know if a particular test failed, so I don't have to dig through a whole log file if nothing's wrong. How did you implement it?
On Wed, Nov 13, 2013 at 3:41 PM, sam sokolik <sa...@empirescreen.com> wrote: > Maybe something like this might help for initial testing? > > http://imagebin.org/276898 > (notice the z) > > http://imagebin.org/276900 > > Not pretty.... > > sam > > On 11/13/2013 6:31 AM, sam sokolik wrote: > > I cannot contribute programmatically... So I test.. And all things > > trajectory planner/motion excite me for some reason. :) > > > > The basic config is here > > http://electronicsam.com/images/KandT/testing/circblend/ > > > > the hal file check_constraints.hal is a modified to the 500ipm - > > 30in/sec^2 with a little headroom. I also added a min/max hal component > > so I could see the peak violations.. There probably should be a pyvcp > > panel with this info plus a reset peak reading button... but for now I > > was doing it manually. > > > > Keep up the great work! > > > > sam > > > > > > > > > > On 11/13/2013 1:07 AM, Robert Ellenberg wrote: > >> On Tue, Nov 12, 2013 at 1:28 PM, sam sokolik <sa...@empirescreen.com> > wrote: > >> > >>> this is the splash screen running.. Z is the only axis that doesn't > >>> obey the 30in/sec^2 limit > >>> http://imagebin.org/276777 > >> This is good news, and similar to what I saw. > >> > >> > >>> The spiral - goes over the limit. > >>> http://imagebin.org/276778 > >>> Here is a halscope of one of the overshoots - it is a ways into the > >>> spiral.. > >>> http://imagebin.org/276780 > >> Cool, this is good data. A few things come to mind based on this: > >> > >> - It looks like the little spikes in acceleration are similar to my > >> results. The pattern (spike up then down) suggests a jump in > position, > >> which means a trajectory discontinuity. I'm working on some debug > output to > >> inspect this more closely. > >> - There are some overshoots on X acc. that don't seem to be from a > >> position jump alone. I think this may be to improper fall-back to > parabolic > >> blends. I'll run this example myself and check the logs. > >> > >> Out of curiosity, which config are you using to run these? Is this your > >> original config with max acceleration of 30 on all axes? Also, what are > you > >> using to calculate the "acc-ok" signal? I'd like to add that to my > hardware > >> config. > >> > >> > >>> This is at 1khz.. 10khz - you seem to get about the same overshoot - > >>> about 43 - 44 in/sec^2 on the spiral > >>> > >>> and now - setting the feedrate override to 120%... :) (it had to be > done) > >>> http://imagebin.org/276779 > >>> > >>> > >>> sam > >> The feed override is a bit disappointing, but I'm not really surprised. > I > >> haven't spent much time yet getting feed overrides > 120% to work. I > need > >> to read the max feed override from the user config from within TP, which > >> means a bit of hunting in the code. > >> > >> Thanks again for the testing. A second set of eyes on this really helps > >> catch the little stuff! > >> > >> Rob > >> > >> > >>> On 11/12/2013 7:50 AM, sam sokolik wrote: > >>>> Very cool!! > >>>> > >>>> This motion is much better than the previous release. > >>>> > >>>> I am not seen the odd start motion that I was seeing before - Nice > >>>> work! (starting a ways into the spiral instead of the start) > >>>> > >>>> couple of things. (initial runs) > >>>> > >>>> The Gcode program doesn't finish. > >>>> http://imagebin.org/276743 > >>>> the motion stops - but the vel shows 116ipm and the linuxcnc still > >>>> thinks it is running the program. (the play button is pushed in) > >>>> You can hit the stop button and re-run the program and is seems ok. > but > >>>> it still pauses at the end. > >>>> > >>>> Acceleration constraints. This seems better to me also. It gets > better > >>>> with a higher servo thread also (but the peak velocity doesn't seem > to > >>>> increase - I had though you had said that would happen...) > >>>> 1khz > >>>> http://imagebin.org/276740 - almost 40in/sec^2 (should not exceed > 30) > >>>> 5khz > >>>> http://imagebin.org/276741 - 32in/sec^2 > >>>> 10khz > >>>> http://imagebin.org/276742 - didn't actually look - but it looks like > >>>> the spikes are less > >>>> > >>>> Now - I don't know if it gets worse (as you can see I don't have as > much > >>>> sample length at the higher base periods. ) I can also check for peak > >>>> constraint violation also.. > >>>> > >>>> I think though that you are headed in the right direction! (that > peaks > >>>> at about 330ipm vs around 120ipm with current blending) > >>>> > >>>> Awesome work! > >>>> sam > >>>> > >>>> > >>>> > >>>> > >>>> On 11/12/2013 1:32 AM, Robert Ellenberg wrote: > >>>>> The public folders aren't shared unfortunately, but I can create a > >>> private > >>>>> folder shared between testers, with a public link if need be. > >>>>> > >>>>> The first batch of test logs and screenshots is uploaded as well, > which > >>>>> uncovered a few hints to the remaining acceleration issues. The > >>>>> "blend_tests" subfolder of nc_files has the rest of the test code. I > >>> also > >>>>> did a hardware run on my spectralite: > >>>>> > >>>>> https://www.youtube.com/watch?v=PAVuByKH_Fw > >>>>> > >>>>> This was slightly slower than the initial demo at about 40 seconds, > >>>>> probably due to better adherence to the acceleration constraints. > >>>>> > >>>>> -Rob > >>>>> > >>>>> > >>>>> On Mon, Nov 11, 2013 at 4:46 PM, TJoseph Powderly <tjt...@gmail.com> > >>> wrote: > >>>>>> On 11/11/2013 02:41 PM, Robert Ellenberg wrote: > >>>>>>> I've been doing some rework to fix the issues we found. > >>>>>> ...snippety snip snip snip > >>>>>> > I'm going to run all of my test > >>>>>>> code again tonight and save logs / scope screenshots to my public > >>> folder > >>>>>>> here: > >>>>>>> > >>>>>>> https://www.dropbox.com/sh/m801unl2kh7if6x/f59HALU8nh > >>>>>>> > >>>>>> works for me :) > >>>>>> > >>>>>> i couldnt upload a 'works4me.txt' > >>>>>> but no surprises > >>>>>> > >>>>>> thx for all the work! > >>>>>> TomP tjtr33 > >>>>>> > >>>>>> > >>>>>> > >>> > ------------------------------------------------------------------------------ > >>>>>> November Webinars for C, C++, Fortran Developers > >>>>>> Accelerate application performance with scalable programming models. > >>>>>> Explore > >>>>>> techniques for threading, error checking, porting, and tuning. 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