VESC as multirotor ESC?

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TheFallen
Posts: 84
Joined: 26 Oct 2016, 10:49
Location: UK
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Re: VESC as multirotor ESC?

Postby TheFallen » 07 Mar 2018, 21:11

I saw it mentioned here or on the other forum. I can't upgrade my Chinese VESCs so I don;t know which firmware versions exactly.

arvidb
Posts: 234
Joined: 26 Dec 2015, 14:38
Location: Sweden, Stockholm

Re: VESC as multirotor ESC?

Postby arvidb » 07 Mar 2018, 23:36

I did some digging around and it seems like it's the "iterative observer" that makes a difference. It was activated in FW 3.30 (commit e83af322).

Here is a post Benjamin wrote about it on this forum (see point 3).
It is also mentioned briefly here on the other forum.

Perhaps there are more posts about this that I haven't found?

If anyone has tested the limit for VESC4 with newer firmware I'd also be interested in the results. I sure haven't had the guts. :lol:

ThierryGTLTS
Posts: 86
Joined: 09 Aug 2017, 11:10

Re: VESC as multirotor ESC?

Postby ThierryGTLTS » 08 Mar 2018, 17:53

Thanks.

Thierry

jlcortex
Posts: 7
Joined: 17 Oct 2017, 18:03

Re: VESC as multirotor ESC?

Postby jlcortex » 08 Mar 2018, 20:05

I just tested the VESC6 with a 36N42P motor and a 30 inch propeller.
I looks nice, I have tested at 6S (22.2V) and it works very well,

This graph is some seconds of hand throttle with a servo tester conected through PPM.
60A.JPG
60A.JPG (153.24 KiB) Viewed 1240 times

I'm surprised that only at 6S it easily reaches 60 amps limit during accelerations

next test has been at 12S. At 12S it start ok, but when i try to give full throttle it makes a ugly sound like desynchronization

I have not experience with VESC so could you suggest how continue?


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