Jerking in motion on same points of trajectory.

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Re: Jerking in motion on same points of trajectory.

Postby ipmayerav » Tue Jan 17, 2017 5:42 pm

Let me notice that the topic went away from initial issue. Initial problem was not loosing steps, but "jerking". As i understand the planner calculates speed not like it should. It deccelerates in points of trajectory where it should not.
So is there any progress solving this issue?
ipmayerav
 
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Re: Jerking in motion on same points of trajectory.

Postby cncdrive » Tue Jan 17, 2017 8:25 pm

Let me notice that the topic went away from initial issue. Initial problem was not loosing steps, but "jerking". As i understand the planner calculates speed not like it should. It deccelerates in points of trajectory where it should not.
So is there any progress solving this issue?


Yes, the topic really went to a different direction. However the topic's initial name was also errorous, because there is no jerk in the motion as I mentioned,
jerk is the first derivative of acceleration, but what you guys explored is a simple decceleration which has constant acceleration value and therefor is not a jerk.
And yes, my collegue resolved that issue, but we did not make a new release yet, still testing...
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Re: Jerking in motion on same points of trajectory.

Postby ipmayerav » Wed Jan 18, 2017 4:54 am

cncdrive wrote:
Let me notice that the topic went away from initial issue. Initial problem was not loosing steps, but "jerking". As i understand the planner calculates speed not like it should. It deccelerates in points of trajectory where it should not.
So is there any progress solving this issue?


Yes, the topic really went to a different direction. However the topic's initial name was also errorous, because there is no jerk in the motion as I mentioned,
jerk is the first derivative of acceleration, but what you guys explored is a simple decceleration which has constant acceleration value and therefor is not a jerk.
And yes, my collegue resolved that issue, but we did not make a new release yet, still testing...


Could you send reference for upload of this version for testing?
ipmayerav
 
Posts: 6
Joined: Sat Jan 07, 2017 11:47 am

Re: Jerking in motion on same points of trajectory.

Postby A_Camera » Thu Jan 19, 2017 12:49 pm

Vmax549 wrote:Guys here is a promise . IF you get started up like some do on the OTHER forum you will get deleted ,tossed, expelled, asked to go away.

Please keep it civil .


Vmax549 wrote:I guess the point went right over your head

Excellent answer.
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