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| | |-+  Point singularity
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Author Topic: Point singularity  (Read 736 times)
Paolo
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« on: December 16, 2010, 01:37:29 PM »

Hello everyone,how can I pass through a point of singularity?
Is there any particular movement or function?
Controller DX100

Thanks
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Paolo
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« Reply #1 on: December 17, 2010, 05:48:34 PM »

No one can help me?
 kopfkratz
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potis
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« Reply #2 on: December 17, 2010, 06:08:25 PM »

there are many ways to get to singularities. in these the robot cannot choose which axis to move as you can have the same result even if you move axis 4 or 6 fe. you must try with different orientation or use a very close point movj to overcome the singularity point and then continue normal.  try it in teach to check the result first.
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roboprof
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« Reply #3 on: December 17, 2010, 11:44:03 PM »

You should really try to avoid singularities by making sure that the U axis and B axis are not co-linear or parallel - even bending the B axis a little will avoid singularity issues.  Most Motoman robots will pass through singularity points, but with a lot of unnecessary motion on the R axis - and possibily causing Excessive Segment - High or Low Speed alarms.  The only way to know if you will get through the singularity is to test the job with Interlock/Test Start, and then to Play it.  As potis said, try it in teach to check the result first, then in play.

Hope this helps
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Paolo
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« Reply #4 on: December 18, 2010, 06:16:08 PM »

Ok grazie
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amarkangda
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« Reply #5 on: February 02, 2011, 02:48:33 PM »

Its not a big issue as far as motoman robots are concerned. There is no function as such but it can be achieved mostly by changing the orientation of the B-Axis. May be you will have to compensate on the Angle in some cases
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Paolo
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« Reply #6 on: February 03, 2011, 08:26:54 AM »

Ok grazie molto
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