30 Secs of Ball Bouncing with ASCII Arrows

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The Arrows show the error-vector of the calculated position where the ball hit the plate vs. the actual position where the ball hit the plate.
Blog: electrondust.c...
I made this video to get a better grasp of how the machine is "seeing" the ball at the current stage. It made me realise that the area in the middle is where the ball positions are the most accurate. Near the edge, the data becomes worse. Strangely the upper edge seems to be worse than the lower edge. I image that's because of slight differences in the amount of signal amplification between the mics.
Amazing Science!

Опубликовано:

5 окт 2024

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Комментарии : 4

@juninhovit 6 лет назад

Hi, I'm from Brazil, first of all congratulations for the project, and sorry for the bad english, I used the translator. a tip that could give you would be to get a large amount of data from your system and combine it with artificial intelligence, can be an algorithm svm maybe, could predict the direction of the shift, and take the correct measurement.

@robibob2884 6 лет назад

That's really awsome, that would be cool to have info on the hradware !

@ElectronDust 6 лет назад

Hey Robibob, Thanks you! Here's a list of things I used for this project: - Arduino Nano (doing the ball position determination) - Arduino Uno (controller the stepper drivers and running a PID controller) - Quimat Nema17 stepper motors (2A, 59Ncm) - Quimat 4A stepper motor drivers - 2 OP-Amp Chips 5532D (for the mic amplifiers) - 74HC279 Quad SL-Latch And here's a blog post with some more pics: electrondust.com/2018/08/13/afterthoughts-on-arduino-bouncing-ball-on-plate-machine/