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Viktor Petrenko

@viktor_vrp • 3,487 subscribers

Engineering compact factory cells for AI automation. Mechanical | Electronics | Process - engineer. https://t.co/Cmmkr5pZvu @fdotinc

Shorts

Repeatability test 3. Final test — pushing the limits.

Repeatability test 3. Final test — pushing the limits.

200,424 views

Accidentally ran an accuracy test on our MicroFactory robotic arm. I had to disassemble the base for some improvements. To keep testing consistent for our already-trained models, I quickly built an improvised setup to recreate the previous calibration. After removing and reinstalling the motors, I was able to restore their position within 0.002°. Positioning repeatability was at least 0.01 mm at 300 mm reach. This isn’t a full accuracy test — a proper one would require more planes and indicators with resolution at least an order of magnitude better than the measured values. But anyway, this accuracy is sufficient for all of our assembly tasks.

Accidentally ran an accuracy test on our MicroFactory robotic arm. I had to disassemble the base for some improvements. To keep testing consistent for our already-trained models, I quickly built an improvised setup to recreate the previous calibration. After removing and reinstalling the motors, I was able to restore their position within 0.002°. Positioning repeatability was at least 0.01 mm at 300 mm reach. This isn’t a full accuracy test — a proper one would require more planes and indicators with resolution at least an order of magnitude better than the measured values. But anyway, this accuracy is sufficient for all of our assembly tasks.

15,014 views

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Our current dual-arm setup for autonomous electronics assembly. The teleoperation controllers in front are used to teach the robots precise manipulation of small objects.

Our current dual-arm setup for autonomous electronics assembly. The teleoperation controllers in front are used to teach the robots precise manipulation of small objects.

Viktor Petrenko

866,871 views • 1 month ago

Repeatability Test 1. Checking the mechanics by replaying a recorded move: the frame goes from the holder to a random spot on the table and back, with no model to compensate for errors. The sequence includes some fairly complex gripping and handling.

Repeatability Test 1. Checking the mechanics by replaying a recorded move: the frame goes from the holder to a random spot on the table and back, with no model to compensate for errors. The sequence includes some fairly complex gripping and handling.

Viktor Petrenko

233,481 views • 1 year ago

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