Hello,
I have been working on an advanced VESC control system that interfaces over the CAN bus. I am issuing set current commands for throttle and have a slight regenerative control mode when the throttle provided by the user is zero. For this, I am using the comm_can_set_current_brake_rel command so that the wheels do not spin reverse if under light load conditions. This works perfectly for most scenarios, however, at very low speed (coming to a stop) the braking resistance becomes extremely high. I believe this is due to the vesc basically shorting the phase leads together due to a lack of current flow. This is not desirable for this application and other similar applications. It would be excellent to have an option to disable this behavior in an update if possible. Would this be possible and could you elaborate more on why this occurs for the comm_can_set_current_brake_rel command but not the comm_can_set_current_rel commands?
Cheers!
This should be fixed in one of the later firmwares. Which firmware are you on?
Hello Ben,
Thank you for your reply. I have just completed a bench test and I believe the newer firmware has resolved the issue. I will double check installed on the vehicle next.
Cheers!