mxlemming
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    • mxlemming
      mxlemming replied to the thread Current Sensing.
      After dead center. To minimize noise you want to allow the opamp as much time as possible to stabilize and for transients and noise to...
    • mxlemming
      mxlemming replied to the thread Current Sensing.
      Obviously you're looking to sample when the low side mos is conducting so if your code is written upside down you need to adjust the...
    • mxlemming
      mxlemming replied to the thread Current Sensing.
      I've built inverters with the ring sensors, allegro chip sensors, low side shunts, phase shunts... I can confirm all work well with good...
    • mxlemming
      Unfortunately amberwolf comment doesn't really make sense. You either have measurement error, increased ripple at lower duty or a...
    • mxlemming
      mxlemming replied to the thread FOC questions.
      Terrestrial or ground based vehicles always want torque mode. Some people run balancing vehicles with position, duty or speed but I...
    • mxlemming
      mxlemming reacted to Tomeedey's post in the thread Modular, Multi-Platform, 300A ESC with Like Like.
      Hey Ebike mates! Firstly i want to thank you for sharing and working on this project, great job! In February of 2024 i started to...
    • mxlemming
      Svpwm doesn't require angle as an argument so if that's happening after the inverse Park, it's not clear why he's doing it atall. It's...
    • mxlemming
      2000 counts might well be 8000 pulses in quadrature. So 8pp and there's your 1000 But it's hard to tell from tiny code snippets. Be...
    • mxlemming
      It's in there somewhere, that factor of 4. Might be hidden, rolled up in don't other constant or whatever.... But it's in there. It...
    • mxlemming
      There's a pre made header file for this board for VESC, you don't need to make your own. You are using VESC right? Iirc the dead time is...
    • mxlemming
      What firmware? 250ns is almost certainly about 1/3 of what you need. Normally i run 800ns on the MP2 You'll need to set different...
    • mxlemming
      mxlemming reacted to Lebowski's post in the thread New ground-up ESC - MESC_FOC_ESC with Like Like.
      The basic idea behind the Lebowski controller is simpler: - the phase of the voltage delivered to the motor (so the voltage at the...
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