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Unread 24-01-2017, 17:14
efoote868 efoote868 is offline
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AKA: E. Foote
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Re: Minimum Flywheel Encoder CPR

Quote:
Originally Posted by Ether View Post
Highly recommended if using a one-count-per-rev sensor: use the FPGA to measure the period between the last 2 counts. Do not filter that value, since it represents an entire revolution... and there is no issue with noise due to physical edge location since it's the same edge being measured each time.


That works.

We started the build season with a different encoder, and for a reason I can't recall, it got swapped. I'm remembering that the encoder was noisy, and needed to be debounced. The students didn't want to rewrite all of their code, so I gave them the band-aid. Our shooter wheel was very consistent that year, unfortunately the foam basket balls weren't.
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