Search found 19 matches

by gnrules
Thu Mar 02, 2023 8:25 am
Forum: Bug Reports
Topic: Invalid Buffer Times
Replies: 2
Views: 364

Re: Invalid Buffer Times

Hi Tom, thank you for you quick reply, but I think I have to double check my installation. After your reply, I tried to replace GCodeInterpreter.dll with the patched one directly downloaded from your link and the problem disappeared. It is weird because they have very close timestamp (1 minute diffe...
by gnrules
Wed Mar 01, 2023 12:21 pm
Forum: Bug Reports
Topic: Invalid Buffer Times
Replies: 2
Views: 364

Invalid Buffer Times

Hi Tom, I found a strange problem with trajectory planner. I'm using 4.35f with Trajectory planner patch (we discussed of a smoothing problem and the patch on march 2021) and occasionally the interpreter stops with "ERROR - Invalid Buffer Times in Trajectory Planner". It is something due to trajecto...
by gnrules
Tue Apr 26, 2022 7:10 am
Forum: Bug Reports
Topic: Faulty G-Code (maybe)
Replies: 5
Views: 914

Re: Faulty G-Code (maybe)

Hi Tom, sorry for the late reply, but yesterday was holiday here in Italy. BTW I made a few test on Friday and I can confirm that the problem is consistent, but it depends on the actual machine coordinates you run it on. I stripped all unnecessary motion from the file and wandered around a bit to ca...
by gnrules
Thu Apr 21, 2022 6:00 pm
Forum: Bug Reports
Topic: Faulty G-Code (maybe)
Replies: 5
Views: 914

Re: Faulty G-Code (maybe)

Hi Tom, the code I sent is just a part that reproduces the problem. I left also the initial holes because, depite of the same path (apart from coordinates), it works as it should. I repeated the test several times with consistent results. I'll try to isolate the minimum relevant section. M8 and M9 a...
by gnrules
Wed Apr 20, 2022 5:18 pm
Forum: Bug Reports
Topic: Faulty G-Code (maybe)
Replies: 5
Views: 914

Faulty G-Code (maybe)

Hi Tom, I found a strange behaviour with a simple g-code file (see attachment) Basically this file is a simple hole chamfer path replicated 6 times in a matrix fashion. The strange thing is that in a random fashion, according to the coordinates used in file, the interpreted goes past the G0 statemen...
by gnrules
Tue Mar 01, 2022 6:35 pm
Forum: C Programs
Topic: Axis commanded acceleration
Replies: 5
Views: 863

Re: Axis commanded acceleration

Hi Tom, thanks again for the clarification. It would be helpful to know what you are trying to do. Sure... I'm so catched to solve the problem that I forgot to describe the application. I wrote an interesting friction compensator that behaves very well with low speeds and accelerations. Unfortunatel...
by gnrules
Tue Mar 01, 2022 8:06 am
Forum: C Programs
Topic: Axis commanded acceleration
Replies: 5
Views: 863

Re: Axis commanded acceleration

Hi Tom, thank you for your quick response. Clear and precise as always. I got the passage I was missing: the axis coefficients are interpolation coefficients of the global linear segment as function of parametric coordinate p. For circular movements I suppose something similar, but data of the circl...
by gnrules
Mon Feb 28, 2022 6:59 pm
Forum: C Programs
Topic: Axis commanded acceleration
Replies: 5
Views: 863

Axis commanded acceleration

Hi Tom, is there any way to retrieve axis commanded acceleration during G-code execution (and in general in real time)? As for my understanding it should be possible to derive it from the trip state. Correct if I'm wrong, it should be pcoeff->b*2.0 during trapezoidal motion. Unfortunately I was not ...
by gnrules
Fri Mar 12, 2021 10:40 am
Forum: Bug Reports
Topic: Strange Trajectory Planner behaviour
Replies: 12
Views: 2325

Re: Strange Trajectory Planner behaviour

Hi Tom, I added 4th decimal digit to my code and now it is very smooth without any dicontinuity even in limited velocity segments. You were right about truncation/rounding error relative to decimal digits in g-code. It was something that we would experiment because we use 0.5um glass scales, but now...
by gnrules
Tue Mar 09, 2021 6:10 pm
Forum: Bug Reports
Topic: Strange Trajectory Planner behaviour
Replies: 12
Views: 2325

Re: Strange Trajectory Planner behaviour

Well now it's a lot smoother. No audible noise even if I run the test without KLP smoothing. I also acquired motion data as usual and I report the results, in terms of feedrate in the plot attached (In the meanwhile I discovered how to attach pictures inline :D ). Test_Update.png As you can see the ...