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ADC throttle with braking

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adobe75
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Joined: 2020-10-14 21:16
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ADC throttle with braking

I've hooked up a VESC 6 to a Xiaomi M365 hub motor and I'm getting good FOC control so far.

I connected the M365 throttle control to ADC1 and I have good mapping 0-100, using current control setting. I'm wondering though if there is a setting which applies regen braking when I let off the throttle, similar to original M365 regen, or similar to Tesla accelerator pedal.

Maybe I'm missing a setting somewhere. Thanks for any help.

mds1274
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I think you are looking for the control setting "current, no reverse, break center". That should begin breaking after you let up from center. 

adobe75
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But that means the default throttle position will be full brake, and won't begin accelerating until I reach the past-center position. Also wondering if auto-sleep will work if I'm default full-brake.

gooki
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I'm interested in a similar solution. Release ebike throttle and engage regen, but ideally not at the halfway point. More like first 15% is regen brake and next 85% is throttle.

gooki
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Ok, you can change the center point voltage under ADC mappings after completing the input setup wizard (can't change it during the setup wizard).

Now all I need to figure out is how to stop the braking once the speed is zero or below X speed/rpm. I don't particularly want to be dumping 6 amps into my motors when ever I'm stopped.