Consistent Encoder RPM Issues

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Consistent Encoder RPM Issues

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#19

02-04-2013, 01:08

Ether

systems engineer (retired)

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Join Date: Nov 2009

Rookie Year: 1969

Location: US

Posts: 8,089

Re: Consistent Encoder RPM Issues

Quote:

Originally Posted by meltbox360

Without recompiling, just setting everything up I am getting a spread of 1100 rpm at max speed. Between 5200 and 6300 rpm so the same issue as the encoder class with pretty much the same spread.

I think setting the FPGA sample ring buffer will bring that down to an acceptable level without introducing undue phase lag. If you can get a good signal you may be able to use the very simple bang-bang control.

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