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Keith's 6dof (wheelchair motors)

Discussion in 'DIY Motion Simulator Projects' started by Keith, Apr 16, 2022.

  1. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Hey guys. I don't have a lot of time right now so I will update this thread later. Here is a short video testing out the new rig

    • Like Like x 5
  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
    Unfortunately the video is marked as Private, you will need to change the settings to Public before it can be viewed.
  4. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Yes I just noticed that. I think I fixed it now
    • Agree Agree x 1
  5. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    IMG_20220130_131814958.jpg IMG_20220311_143842192.jpg IMG_20220311_143752400_HDR.jpg IMG_20220316_201356623.jpg IMG_20220318_113428980_HDR.jpg IMG_20220318_113436712.jpg IMG_20220318_113418878_HDR.jpg
    • Like Like x 1
    Last edited: Apr 17, 2022
  6. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    IMG_20220401_075938623.jpg IMG_20220401_075951063.jpg IMG_20220401_075959625.jpg IMG_20220401_080525189.jpg IMG_20220401_080535540.jpg IMG_20220401_125804838.jpg IMG_20220401_080013855_HDR.jpg

    Notice the old 2dof with traction loss in the background. I'm just pulling the cockpit off of that and throwing it on top of the new 6dof
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    Last edited: Apr 17, 2022
  7. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    St Helens, Tasmania, Australia
    Balance:
    129,773Coins
    Ratings:
    +10,092 / 47 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Really meticulous DIY work :thumbs

    Great to see your trade assistant is safety conscious with the ear muffs!
    • Creative Creative x 1
  8. Gadget999

    Gadget999 Well-Known Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    looks very similar to mine !

    what made you choose the parts you use ?
  9. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Yes I got a lot of inspiration from your build. I hope you don't mind.

    The motors and hall effect sensors were used on my previous 2dof build. They seem to have plenty of power and I know how to work on them now so just made sense.
  10. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Thanks Noorbeast. I'm happy with how it's turning out
  11. Gadget999

    Gadget999 Well-Known Member

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    My Motion Simulator:
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    no problem !

    pleased to see you are making strong progress

    what type of motors / gearbox do you run ?

    how are the motors powered ?
  12. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    The motors are 24v 250w geared down to 75rpm.

    Paired up with the same 100a controllers you are using.

    I am powering everything with two 12v 69a hp server power supplies wired in series

    Screenshot_20220417-172425_AliExpress.jpg Screenshot_20220417-172320_AliExpress.jpg
    • Like Like x 2
  13. Keith

    Keith Active Member

    Joined:
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    Occupation:
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    Balance:
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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    20220416_115957.jpg 20220416_115947.jpg 20220416_115754.jpg 20220416_115740.jpg 20220416_115732.jpg 20220416_115719.jpg 20220416_115701.jpg 20220416_115654.jpg 20220416_115636.jpg 20220416_115625.jpg 20220416_115613.jpg Here's a few pics for you guys
    • Like Like x 2
    • Informative Informative x 1
  14. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Here's a quick video of my dad ripping around Monaco
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  15. luu trung

    luu trung Member

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    My Motion Simulator:
    3DOF
    Hello. Do you have the phenomenon that when the motor is idling, the position of the hall sensor and the target is equal. When under load, the motor core is slightly depressed and does not match the sensor position in smc3
  16. Gadget999

    Gadget999 Well-Known Member

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    My Motion Simulator:
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    what type of projector do you use ? is there any lag or delay ?
  17. luu trung

    luu trung Member

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    i used the same motor and project 3 dof shaft "heave". when sitting up all 3 motors pressed down a bit not matching the position of the sensor.
    Another question is how does connecting the non-anti-interference wire and anti-interference wire to the hall sensor affect the motor? thank
  18. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    The projector is a BenQ W1070 it's input leg is 24ms. Seems good to me. I might have to upgrade to a 4k projector soon though. 1080p isn't cutting it anymore
  19. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    Maybe you just need to make adjustments in Smc3?
  20. luu trung

    luu trung Member

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    3DOF
  21. Keith

    Keith Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    If your pulley is smaller on the sensor the feedback would be more sensitive or detailed. I had my old 2dof rig set up this way but I had an issue where the motors would start up in reverse, so now I just use equal sized pulleys.
    • Like Like x 1