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VESC Firmware

uart not working on vesc 4.10 latest firmware / hm-10

daniel84uk's picture
Submitted by daniel84uk on Sat, 2018-09-29 14:55

I downgraded using vesc tool 0.91 and bam it all works again. I repeated and switched between the two to verify. Happens on both my vescs, both my bluetooth adapters and both phones. For whatever reason data isnt being sent on the latest firmware. Im using HK vesc 4.10 and genuine keyes hm-10s. Anyone any ideas why?

VESC6 runs at 100% throttle, but then current sense is broken

Submitted by nickw1881 on Mon, 2018-09-24 06:41

I edited the FW and compiled a 100% throttle limit VESC6. Then I ran a motor at 100% throttle and it seems to run fine. However, the current measurements in VESC-Tool are all wrong. The average current at 100% throttle is very different from the average current at 99% throttle. And the sampled data makes no sense at all. Here on the left is the sampled data. On the right is oscilloscope traces of the phases showing the vesc is indeed running at 100%.

Problems with a small motor

Submitted by tuloski on Thu, 2018-09-13 17:27

Hi all,

I have two problems with a motor using FOC.

I'm controlling via PPM mapped into duty cycle. It's a small motor (max 300W) with KV=380.

The first problem is that giving 0.050 ms increments in the ppm (in a range 1-2ms ie steps of 5% of the total range) it happens that the motor stops completely as in the following figure.

https://ibb.co/fSY0n9

FEATURE REQUEST - ADC Mapping selection

Submitted by Pimousse on Thu, 2018-09-13 09:44

Hi,

 

I'm in the process of writing a mode feature and need to hook a button up.

Since I want my firmware to be compatible with all app (PPM, ADC...), mapping change across the mode selected.

I also use ADC3 for external temperature monitoring (and cutoff if too high).

Based on FW3.40, I obtain this mapping table :

Prevent Wheel-slip by low-pass filtering duty cycle output

Submitted by AlexBenn on Thu, 2018-09-13 07:50

Hi All, recently I have replaced the original ESC in my Evolve Gen2 Carbon board with a VESC. The performance increase is enormous, much of which I attribute to a higher motor current setting than perhaps the original controller was using. I also guess that Evolve did not use current-control, but rather some kind of hybrid duty control.

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