General discussion

HI,

After having used 4 different 4'12hw vesc I bought a flipsky v6.6

I know the problem sound common but I didn't find any answer to my problem.

When I power the ESC light turns green but impossible to connect it to the vesctools using the usb port.

The com mport don't appear on Windows when I plug the ESC...

I've tried 3 different cables and 3 computer with the same conclusion.(all the three computer have been used with no issues on my 4.12hw)

I'm using Allegro hall current sensors with +-200A sense range. What is maximum commanded current in theory if three sensors are measuring phase currents and commutation is FOC?

What is coleration between commanded motor current and current the sensors "see"?

Thanks.

Hi guys,

Been using the VESC on a great deal of light electric vehicles now, since HW4.10, with great success, so Benjamin, thank you so much!

The issue has been mentioned here and there a few times but no solution has been discussed yet as far as I know.

I have an electric kick scooter, in which I put a VESC quite some time ago. Recently, I connected a switch between GND and RX to be able to use regen braking.

Hi，everyone 

 Is there anyone can explan why  motor's spin direction is different between BLDC mode and  FOC mode?

Using my board (VESC6 verion)  , spin direction is CCW in BLDC mode, it will be CW in FOC mode ...wierd ?

Hi all, 

I have been working on a DIY CNC router for awhile and settled on using an SK8 192kV motor to power the spindle. I went this way because most of the chinese spindles operate at 24KRPM and that's way to high for most metal cutting. Hopefully I can get around 6KRRPM on a 36V system.

Hi,
I new on this wonderful project :-) 
I try to have information for drive drone motor with closed loop mode.
I have seen MINI4 project.
The idea, i build a new big drone with motor 400kv and 17inch prop.
With the inertly of prop with classical esc i have trouble for fast throttle.
So I thing used VESC to drive motor in ClosedLoop Mode.
What do you thing about this and Vesc can support Dshot / Multishot / Oneshot.
The Drone Flightcontroller is with BetaFlight Firmware.

Thank a lot
Have a nice day ;-)

Hi everyone,

I tried to simulink the sensorless FOC observer Ben used in his code. I used fixed observer gain and I changed this value in a wide range (from 1000 to 50000), but the observer could only track the position in low speed and failed in high speed. In Ben's code, I saw him changed this value every observer update. 

Is this the key for high speed tracking?

Thanks a lot. 

const float gamma_half = m_gamma_now * 0.5;

Hi guys, so I think I killed my VESC 4.

Hi everyone,

I'm a fresher about BLDC control I wanna do thesis about BLDC FOC sensorless control. I known about VESC project of Vedder many year ago and I really admire him. :D

But now I'm really confused about starting-up BLDC in sensorless mode. I read the code of firmware 3.7 but I couldn't figure out the method he used to start-up the motor. :"(

I designed myself a BLDC driver using DRV8323 based on open-source board of Vedder (not for commercial purposed). I had phase current and voltage measurement. 

Please help me. Thanks a lot.

Hello, i am new to vesc and vesc6, when i try to connect it states: no connection with vesc check usb and power to vesc.

All is fine for what i can see, please give me some help.

Thanks