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Custom Motion Simulator project

Discussion in 'DIY Motion Simulator Projects' started by Den1922, Feb 7, 2020.

  1. Den1922

    Den1922 New Member

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    My Motion Simulator:
    2DOF, Arduino
    Hi everyone !

    I'm from France so sorry for my bad English ;)

    I actually build a " weird" motion simulator , with an arduino interface, and two gearmotor ( from a child car ).

    Here is the specs :

    Arduino uno interface
    Sabertooth 2x32
    2 x gearmotor 12v
    10k bourns pots
    12 v battery
    Fanatec gt3 rs wheel


    As you can see on the pictures, i test a different way to make movement, i've many things to improve, but for this time i like it ! i just test it with live for speed, and it's great, i go to buy a kart seat to be able to deepen my tests.

    I will post a video as soon as possible.

    Denis

    Attached Files:

    • sim1.jpg
      sim1.jpg
      File size:
      507.2 KB
      Views:
      102
    • sim2.jpg
      sim2.jpg
      File size:
      484.8 KB
      Views:
      105
    • Like Like x 2
    • Creative Creative x 2
  2. Ads Master

    Ads Master

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  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    I am looking forward to the video of your creative rig in action :thumbs
    • Agree Agree x 1
  4. Den1922

    Den1922 New Member

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    My Motion Simulator:
    2DOF, Arduino
    Hi, Thanks, i have actually only surge and heave force, but it's already very immersive. I try to make some video.
    • Like Like x 1
  5. PMK

    PMK New Member Gold Contributor

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    This is such a unique build, I love it. But, where do you sit/mount a seat to the base?

    You could probably also get some yaw effects by driving the motors in opposite directions and rotating the whole rig, but I'm not sure how it would handle mixing yaw+surge+heave forces all at once.
  6. Den1922

    Den1922 New Member

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    +8 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    I think i'm going to put a platform to fix the seat, i just order for a karting seat, so i hope i receveid it soonly.

    I try to mix sway and surge, but it's difficult to adjust them ... so at this time i try to have the best feeling with the surge axis, for me it's the most important force for driving.

    Later I will think about adding other axes, maybe like a seat mover for sway and pitch.
  7. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
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    Occupation:
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    Location:
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    Balance:
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    Ratings:
    +8,958 / 43 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
  8. Den1922

    Den1922 New Member

    Joined:
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    My Motion Simulator:
    2DOF, Arduino
    Thanks noorbeast ! I look at this ;)
    • Like Like x 1
  9. Den1922

    Den1922 New Member

    Joined:
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    Messages:
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    Balance:
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    Ratings:
    +8 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    Some upgrades :

    - Adding a karting seat
    - Moving the motor forward ( rotations are much faster )

    Now i can use surge, sway and heave ! I will do some tests to adjust them as well as possible, but it's long ... and i have just the demo of live for speed to do this :) I'm going to look to buy a license.

    Next upgrade will be the screen ... i look for a bigger.

    Attached Files:

    • 01.jpg
      01.jpg
      File size:
      941.4 KB
      Views:
      56
    • 02.jpg
      02.jpg
      File size:
      735.3 KB
      Views:
      56
    • Like Like x 1
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
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    Messages:
    14,982
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    110,520Coins
    Ratings:
    +8,958 / 43 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
  11. Den1922

    Den1922 New Member

    Joined:
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    Balance:
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    My Motion Simulator:
    2DOF, Arduino
    Oh great i will watch this ! thanks.

    I just do some test, it works great with yaw strength but the problem is the return to the center ...

    Any possibility to stop the return to the center of the yaw strength ?

    That will be great if once the rotation is complete, it remains in position and does not automatically return to the center.

    Denis
  12. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
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    Innovative tech specialist for NGOs
    Location:
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    Balance:
    110,520Coins
    Ratings:
    +8,958 / 43 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Yours is a bit of unusual rig, so can you please provide a bit more detail on its structure design and also post pictures of all of your settings.

    I am guessing that what you mean by yaw is perhaps the drive wheels running opposite directions to each other, but I am not clear how the pivot is arranged.
  13. Den1922

    Den1922 New Member

    Joined:
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    Balance:
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    Ratings:
    +8 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    The two motors rotate in opposite directions for rotation, i use actually sway force to do this.

    I just make a rapid video, sorry for the bad quality, there is a discrepancy between the sound and the video when uploading to youtube, and the video is a bit faster compared to reality
    I don't know why ... suddenly the movements do not stick with the sound ^^



    I made quick settings, I leave an overview of the settings on simtools.

    The only problem is the return to the center during the rotations, I don't know if it is possible to prevent this.

    Attached Files:

    • Like Like x 1
    Last edited: Feb 16, 2020
  14. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    14,982
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    110,520Coins
    Ratings:
    +8,958 / 43 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    How you rig moves is very unusual and almost the reverse of traditional traction loss, and I am wondering if it would be better set up using traction loss, inverted, rather than sway. @yobuddy may have some other thoughts or suggestions.
  15. Den1922

    Den1922 New Member

    Joined:
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    Balance:
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    Ratings:
    +8 / 0 / -0
    My Motion Simulator:
    2DOF, Arduino
    Thanks noorbeast, i will try with traction loss and i tell you what it gives