Sin/Cos to quadrature encoding conversion? Has anyone tried?

idiotsecant

1 µW
Joined
Jun 17, 2012
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1
It seems like the Motenergy motors are (if you believe the numbers) remarkably cost effective, compact, and power dense and having a sealed & water cooled chassis seems pretty nice as well. Unfortunately they all seem to make use of Sin/Cos encoders which means your controller options are more or less limited to Sevcon Gen4, which seem to be notoriously difficult to deal with. Curtis controllers on the other hand seem to be well regarded by the DIY community but appear to not have any controllers equipped for sin/cos encoder input in the 120-150v battery input range.

Has anyone ever tried using something like a Curtis 1239 @ 120/144v with something like a Motrona SV210 (or similar, not sure of voltage levels, etc just the first one I googled) converter that turns the sin/cos encoder signal into a quadrature encoder signal that the Curtis controller wants to see? Would that allow using something like the Curtis 1239 with one of the small motenergy motors like the ME1302? It seems like using a cheap Motenergy motor with a friendly Curtis controller would be the best of both worlds.
 
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