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VESC Tool

FOC is unstable with large Outrunner and had a hardware failure.

Submitted by SteveBrantley on Tue, 2024-12-31 16:23

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I have a  new 100/250 driving a  FreeRCHobby 120-100 (12kW rated) which is driving a Rotrex supercharger.   I need about 9kW at 6krpm (14 poles) which is about 65V and 150amps with this motor.  I ran the FOC setup for a large outrunner.  It worked fine with the motor unloaded, but when I hooked up the supercharger, it tripped out at around 4000 RPM due to an absolute over current error.  I lowered the absolute current to 250 amps while I debugged the problem.  FOC Setup had it at around 420.  It turns out the PID loop appears to goes unstable over 4000 rpm, with the mot

Unable to Make Changes in VESC Tool – field weakening Options Missing

Submitted by asaf1462 on Tue, 2024-12-17 16:27

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Hi everyone,
I’m using a VESC controller, and my motor is configured in FOC mode. When I open the VESC Tool, I see this screen (attached image), but I have no options to make any changes. Everything appears locked or missing.

I’d like to understand:

  1. Is this an issue related to the firmware version or the software version I’m using?
  2. Did I configure something incorrectly?
  3. Could the controller be in some kind of “read-only” or restricted mode?

Any help or guidance would be greatly appreciated. Thanks in advance!

Issues with Brakes, M5 Display, and Speed on VESC 75100

Submitted by asaf1462 on Sun, 2024-12-08 15:50

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Hi everyone,

I need some help with a few issues in my system. I’d appreciate any guidance:

    1.    Brakes connection to the controller:

I connected the positive and negative wires of the brakes (which are supposed to cut off the motor when pressed) to the ADC2 input – positive to the positive terminal and negative to GND.

Is this connection correct? If not, how should the brakes be connected to work properly? Additionally, I’d appreciate a detailed explanation of how to set up the brakes correctly on the VESC 75100.

VESC Tool Device UI not shown on Raspberry Pi/Linux

Submitted by Sebastiaan Koning on Mon, 2024-12-02 13:19

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Trying to directly compile the VESC Tool on a Raspberry PI 4 using the Linux Build configuration. While the UI is mostly working is the page for the device list completely white as shown below:

Vesc tool device list white edited.jpeg

Using the debug window does it give the warning: 'WARNING (:0 ): libpng warning: iCCP: known incorrect sRGB profile'

Vesc tool not working on Windows 11 Surface Go tablet

Submitted by Kamil368 on Tue, 2024-11-19 00:09

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Hello,

I am trying to use Vesc tool for Windows on Microsoft Surface Go 1 tablet with Windows 11.  It seems to have a problem adjusting to the screen size, and some areas of the vesc tool window are not reachable (it is bigger than the 10" tablet screen, and it is not possible to scale down the window). Has anyone encountered this problem? I have tried updating the Vesc tool to the newest version, but it did not change anything.

Many thanks for any tips or ideas!

Rough Stutter when taking off (48V 750w 75100 Pro v2)

Submitted by ahagie on Mon, 2024-11-04 01:21

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48V 18ah Batt, Flipsky 75100 V2 Pro, 750@ Bafang Rear Hub

When I hit the throttle the rear wheel sutlers and seems like its not getting enough juice top it. Once im rolling im fine..but it takes a few tries and sometimes the throttle will just stop working for a few min. Ive tried adjusting the throttle input wizard again, ive tried changing th Dead Time Compensation...but I still cant get it to take off smooth.  Any input would be greatly appreciated  I've looked for hours, posted many questions o line and no real help sp far.....

Reverse gear is engaged when power is lost

Submitted by simDen on Mon, 2024-09-30 13:18

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Good day, i try to find problem source
I use radio controler "Radiomaster TX12 MKII" with PPM external signal, which receive  VESC and control BLDC motor
If connection lost ( radio controler power off for example ) the BLDC motor starts at maximum speed in reverse

Radio controler designed for control drones and i think after "lost connection" is starting "return to home" or something else 
But maybe VESC can do it, i try to find this option in app and dont find, please help

Use ADC2 as reverse button for ADC+UART/Current Reverse Button

Submitted by jessejay356 on Mon, 2024-09-23 01:06

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General App to USE ADC + UART.

Under the ADC app I have control type set to Current Reverse Button.   As I understand this means then the PPM Input is used for Reverse.  I want to change this so ADC2 is used instead.   What do I need to do to make this happen?

Thanks,

Jesse

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