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Difficult motor FOC detection

Submitted by Roger Wolff on Wed, 2025-02-12 19:42

Forums:

I have a new VESC-based motorcontroller. I'm trying to get it to detect the motor that's currently attached. It is not working. Doing a goole for similar issues turns up my own struggles from a few years back. 

I use VESC-based controllers to drive E-bike motors. These are still meant to drive an E-bike, so "removing the wheel" is not really an option. Getting the wheel back on, wile keeping it straight is supposedly quite tricky. 

I tried both the "large 2kg motor" and "ebike motor 6kg" in the wizard, and both don't work. 

Dual VESC and One Motor Stops Spinning

Submitted by f0n on Tue, 2025-02-11 02:22

Forums:

I have a dual VESC with two motors. I am using the default parameters for a medium size motor for an electric mountainboard application. When accelerating, one of the motors spins continuously, while one of the motors stops temporarily. At the same time that the motor stops, the Duty % drops to 0% temporarily. What could be causing this behavior?

throttle responce

Submitted by TONY61 on Tue, 2025-02-04 17:41

Forums:

Hi,

hope someone can help.

im setting up a vesk 60100hp on a bosch gen4 mid motor (No sensors. driuver board removed)

The motor detection works fine , as does the throttle detection (chinese ebike hall sensor type)

the throttle is mapping at 2..5v max input.

however the motor starts at approx 15% and is full speed at 20% .

its practically an on off switch, although tere is a ramp if your really carefull rolling on.

this is the second vesk ive tried and both reacted the same.

Any Ideas?

regards

FIXED: VESC Express Wifi or Bluetooth connection to VESC Tool: not showing up?

steveeng's picture
Submitted by steveeng on Mon, 2025-02-03 22:37

Forums:

Hey,

I'm having trouble connecting VESC tool (PC) to my VESC Express by wifi or bluetooth. All the firmware is up to date and I'm using the latest VESC tool. I can see the VESC Express connected to my home wifi network, and available in bluetooth, but neither are detected by VESC tool even when I try the various scan options. Is there anything else I need to do to get it to connect?

I've successfully worked through quite a few other challenges on my VESC journey but this one has me stumped!

Thanks, Steve

 

Very low Flux Linkage calulation FOC,General Tab - 0.0xx mWb

Submitted by kjjajsdASHD on Sun, 2025-02-02 13:59

Forums:

First time here and I'll keep it short as I can as it must be an easy fix or a bug.

I am trying to run an evolve GTR  skateboard motor (x2) with 6.05. 1500w Outrunner R=69m, L=67uH,  Ld-Ld=25uH

The motor detects no problem using the Auto-detection wizard and spins up O.K., but one of my motors has bad Hall sensors.So I was hoping to use one of the HFI modes.

How to edit mobile RT gauges?

Submitted by colmor on Sun, 2025-02-02 05:20

Forums:

Running mobile Android VESC Tool.

The "Consump" RT gauge displaying WH/Mi shows instant and average.

The Instant range always maxes at 60, but my average is in the 300-400 range.

How can I edit the instant range on this gauge to show higher numbers past 60? Or is there a setting/configuration I can change to do this?

Thank you-

Colin

Constant Serial port errors

Submitted by SteveBrantley on Tue, 2025-01-21 23:13

Forums:

I've had my Trampa 100/250 for about 2 months and it suddenly started giving me "Serial port error:  The I/O operation has been aborted because of either a thread exit or and application request."  This happens every few seconds, with the VESC tool disconnecting.  I reconnect, and it disconnects a few seconds later.  Same thing on 2 different PC's, one Windows 10 and the other Windows 11.

Any ideas?

Thanks

Steve

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