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Author Topic: Open Source ESC  (Read 2827 times)

Offline Howard Rush

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Open Source ESC
« on: June 01, 2017, 02:53:37 PM »
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Offline pmackenzie

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Re: Open Source ESC
« Reply #1 on: June 01, 2017, 06:22:38 PM »
Dug around a bit, and the firmware seems to be aimed at the powered skateboard market.
http://vedder.se/2015/01/vesc-open-source-esc/

No mention of governor mode for example. Some very different requirements for a wheeled vehicle ESC.

If you want to look at open source then look into Blheli. It is supported on many ESCs, and has governor mode.
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Offline Howard Rush

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Re: Open Source ESC
« Reply #2 on: June 01, 2017, 09:35:31 PM »
Thanks, Pat.
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Offline Keith Renecle

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Re: Open Source ESC
« Reply #3 on: June 02, 2017, 08:50:33 AM »
Hi Pat,

I gather that BLHeli is the firmware? Would that be compatible with the Vedder esc?

Keith R
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Offline pmackenzie

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Re: Open Source ESC
« Reply #4 on: June 02, 2017, 06:09:43 PM »
I don't know if the Vedder ESC is BLheli compatible, but I doubt it.
As far as I know only Atmel and Silabs processors are supported.

In any case it is way too expensive, the whole idea behind using BLheli is to get excellent firmware on inexpensive hardware.

I have not figured out what ESC would be good for testing in F2B. Lots of 40 amp controllers, but that does not leave a lot of headroom.
You have to go through the docs, and make note of the comments. Pretty sure you want one with fast switching, and capable of "damped light" mode.
The latter should allow for regenerative braking on downlines :)

Atmel ESCs:
https://github.com/bitdump/BLHeli/blob/master/Atmel/BLHeli%20supported%20Atmel%20ESCs.pdf
Silabs ESCs:
https://github.com/bitdump/BLHeli/blob/master/SiLabs/BLHeli%20supported%20SiLabs%20ESCs.pdf

Don't look at BlHeli_s - no governor mode.
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Offline Keith Renecle

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Re: Open Source ESC
« Reply #5 on: June 04, 2017, 07:58:55 AM »
Thanks Pat!
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Keith R

Offline Tim Wescott

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Re: Open Source ESC
« Reply #6 on: June 04, 2017, 01:38:23 PM »
Although, as an open-source ESC, someone could put a governor mode into it.

All of the features he's proud about putting into the thing are ones that would support speed governing that's both aggressive and smooth.
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