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Mihai_F
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Latest activity Postings About

    • Mihai_F
      Mihai_F replied to the thread FOC questions.
      i did manage to tune the PID a bit more, i did have the issue of not using S.I. units for the values of all the parameters, voltage...
    • Mihai_F
      Mihai_F replied to the thread FOC questions.
      that may be... well this FOC stuff has a lot of parameters, many of them need a good explanation of what do they do, so far i'm...
    • Mihai_F
      Mihai_F replied to the thread Electric Drift Trike Build.
      it has front brakes, they do work very well isn't super heavy, it weights about 35kg without battery, it has to be strong i'm quite big...
    • Mihai_F
      Mihai_F replied to the thread Electric Drift Trike Build.
      well, the main reason for no foot rests on the frame is that i do not like how it looks, second, it ads weight and size to the frame...
    • Mihai_F
      After i replaced the dead cells from battery, i charged it up, it took 45Ah, but wasn't completely drained down. Sunday went flying, did...
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    • Mihai_F
      Mihai_F replied to the thread FOC questions.
      The main usage of these FOC is for terrestrial use, this is my test platform project Electric Drift Trike Build Did you had problem...
    • Mihai_F
      Mihai_F replied to the thread Electric Drift Trike Build.
      i'm back with updates, had to change the rear tires , they ware to large and did not fit the 250mm OD plastic pipe, i painted the frame...
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    • Mihai_F
      Mihai_F replied to the thread FOC questions.
      Well the duty mode was just incrementing/decrementing Vq thru a time constant buffer (no PID). The sensored observer at startup just...
    • Mihai_F
      Mihai_F replied to the thread Electric Drift Trike Build.
      here are a few more photos, the development controller, a small high speed test brushless motor , and other stuff. last pic is keyway...
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    • Mihai_F
      Hy there, I bought 5000mAh hobby king cells to replace the 2 dead cells from the battery. I chose the same cells again, because I have...
    • Mihai_F
      Hy there, I will present here my electric drift trike build, with details for mechanical and electrical parts. It all started after i...
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    • Mihai_F
      Mihai_F replied to the thread FOC questions.
      I only plan to use sensor for start up, to know the initial angle, i did some test and it works, but i'm having trouble with sensorless...
    • Mihai_F
      Mihai_F replied to the thread FOC questions.
      That is very similar how i implemented it in my 300A EPS aircaft controller, but BLDC tarp waveform, with adaptive timing advance. There...
    • Mihai_F
      Mihai_F replied to the thread FOC questions.
      Hy, thanks for you last response, that cleared the things a bit. Now, can you explain a bit the hall sensor implementation (principle)...
    • Mihai_F
      the cells that would use are made by LG chem lithium NMC/ NCM712,- pouch rectangular, and will be ider individual or from vw id batt...
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