well - it seems to go a bit over when they are all equal also.. (vel and 
acc)

here is with the velocities all the same (2.2in/s^2)
http://imagebin.org/305052

here is with velocities and acc all the same
http://imagebin.org/305054

sam




On 04/10/2014 10:21 PM, Robert Ellenberg wrote:
> Hmm, I'll take a closer look at this over the weekend. I suspect this issue
> is due to one of the recent fixes. Do you still see violations if the Z
> axis limit is the same as X and Y?
>
>
> On Thu, Apr 10, 2014 at 9:57 PM, sam sokolik <sa...@empirescreen.com> wrote:
>
>> Ok - I found another issue.  I have been playing with the little terco
>> mill.  Z kept losing steps.  I figured noise or running too fast...
>> well dad said - maybe linuxcnc is erroring..  I thought no way.  I have
>> tested the new tp extensively.. :)
>>
>> well....  I ran the config in sim with the peak readings and it looks
>> like the z axis's velocity constraints are violated.  Here is a
>> screenshot of halscope.  z axis has a max velocity of 1in/s (60in/min)
>> You can see that it violates the velocity - peaks at 1.6in/sec.
>> (positive and negative)
>>
>> http://imagebin.org/304984
>>
>> here is a screenshot of the whole run - it peaks at 2in/sec at some
>> point.  (way faster than that axis can go)
>>
>> http://imagebin.org/304985
>>
>> here is the ini
>> http://pastebin.ca/2694160
>>
>> here is a short snippet of gcode.
>>
>> (it violates velocity -1.6in/sec)
>> http://pastebin.ca/2694169
>>
>> dad always seems to be right....
>>
>> sam
>>
>>
>>
>> On 03/28/2014 06:40 PM, Robert Ellenberg wrote:
>>> It turned out that the max feed override defaulted to zero if not set in
>>> the INI, which caused the velocity to be set to zero. I added a default
>>> value here that seems to fix that test. Also, I think the ripple issue is
>>> fixed (I moved the vLimit check to always be called in the function that
>>> calculates target velocity).
>>>
>>> On Fri, Mar 28, 2014 at 7:27 AM, sam sokolik <sa...@empirescreen.com>
>> wrote:
>>>> inital testing now the feed override acts as expected.  (This is going
>>>> from 100% to 90%)
>>>>
>>>> http://imagebin.org/302341
>>>>
>>>> I still see the same ripples when the maximim velocity is turned down.
>>>> (ie - 20ipm sees peaks of 27ipm)
>>>>
>>>> http://imagebin.org/302342
>>>>
>>>> on thing - it seems to be failing a run test now. 'subroutine-return'
>>>>
>>>> Great work!
>>>> sam
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