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DD-Wheel with Hoverboard Motor

Discussion in 'Direct Drive Wheels' started by Benu, Jan 21, 2019.

  1. Feisty

    Feisty New Member

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    My Motion Simulator:
    AC motor
    For anyone wondering about the braking set up, Ive been using one of these, which has been working really well since the gate is driven by the input voltage not the signal voltage
    https://www.aliexpress.com/item/33038728761.html?spm=a2g0s.9042311.0.0.568d4c4dzj2QsN
    • Informative Informative x 1
  2. fzxj520

    fzxj520 Member

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    SimTools is a generic Motion Simulator
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    My Motion Simulator:
    2DOF
    I also plan to copy this circuit。
    Is your boot soft start setting complete?
    -----------------------------
    I saw some circuits (replace some devices, maybe it can be used).

    https://www.instructables.com/id/How-to-Make-a-Softstarter/
    https://circuitdigest.com/electronic-circuits/soft-start-circuit-for-power-supply
    Last edited: Jun 30, 2020
  3. marccohn

    marccohn New Member

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    My Motion Simulator:
    Arduino
    Update on my latest configuration.

    I have struggled to get the b-g431b-esc working in my set-up, so i broke down and ordered a VESC off Amazon. while at $80 it was more expensive then the B-G431-ESC it was a breeze to set up and get running with my hoverboard wheel. The VESC configuration software is excellent, and allows me to adjust any setting without having to change code and download firmware. Here is my new system diagram.

    upload_2020-7-16_11-24-41.png
    Advantages:
    -- Higher voltages then B-G431-ESC, I am using 24V, but VESC can handle 48V.
    -- VESC configuration software. No coding, or firmware to adjust ESC configuration.
    -- Braking circuit not needed.
    -- More responsive then Hoverboard control board.

    Disadvantages
    -- Expensive -- $80 vs $20
    -- Torque Ripple --Uses hall sensor for position. Not sure if encoder would be better. A little better then Hoverboard Controller, Does not effect driveability.

    Definitely results in more responsive FFB. Can now feel the rumble strips which I couldn't when using the hoverboard controller board.

    Happy to help if anyone else wants to try.
    • Informative Informative x 1
  4. Feisty

    Feisty New Member

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    My Motion Simulator:
    AC motor
    Nice work getting the vesc up and running, I was wondering if that was a viable option a while ago.
    I would definitely look at using an encoder. Hall sensors at 120 degrees results in 90 pulses per rev which is a resolution of only 4 degrees.
    In my setup I get 4200 ppr which means I get 0.09 degrees between each pulse
    I'm fairly sure I've seen an encoder hooked up to a vesc but I could be wrong
  5. Chris_Beeves

    Chris_Beeves Member

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    Vedder himself talks about it in this video:
  6. Psszemek

    Psszemek New Member

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    Hi,

    I have a problem with ESC board.
    I wanted to test it with the basic setup so soldered the motor and power supply and then tried to run motor profiler, but there was no movement from the motor at all. After that I discovered that as soon as I connect the power supply, ESC board goes insanely hot. Did anyone had a similar problem?
  7. Chris_Beeves

    Chris_Beeves Member

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    I haven’t had heat problems, but I have had problems getting it through profiling. I found that it is more likely to go through if I limit the current to something like 5A. It doesn’t affect the values much.

    Also, they are quite tiny so it is easy to accidentally have some of the solder points bridging to other components.
    What cables did you solder?

    There is a small sticker on the back that says MB????-B??, what does yours say? I had trouble with the B04’s.
  8. Psszemek

    Psszemek New Member

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    It is the B04. What kind of problems did you have with it?
    I'm very confident with soldering so that's not it, it just goes crazy hot as soon as I connect the power supply :/
  9. Chris_Beeves

    Chris_Beeves Member

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    I have two of them, couldn’t get any of them to go through the profiler. Got new ones from mouser on goodwill. First card worked on first try.

    Edit; they got warm, but I limited the amps so I don’t know if they would have gotten real hot.
  10. Psszemek

    Psszemek New Member

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    You limited the current on the power supply? Did you eventually get them through profiler? I dont get any movement at all.
    Are the newer ones get any warm? Sorry for do many questions but it's quite frustrating that brand new board doesn't work.
  11. Chris_Beeves

    Chris_Beeves Member

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    I limited in the profiler. The new one gets a little warm, but absolutely not hot. I never got any of the B04’s to move in profiler.
  12. Granberget

    Granberget New Member

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    My Motion Simulator:
    Arduino
    I've also had some bad luck using the B04. Tried 2 different boards, different power supplies and different motors - none came through the motor profiler.