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do-it-yourself static 2dof dynamic conversion

Discussion in 'DIY Motion Simulator Projects' started by pfm21, Jun 17, 2020.

  1. pfm21

    pfm21 pfm21 build 3dof dinamic

    Joined:
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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    Motor are this, i don't know :
    https://www.motiondynamics.com.au/worm-drive-motor-12v-24v-200w-180-rpm-20nm-torque.html
  2. pfm21

    pfm21 pfm21 build 3dof dinamic

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    where he must intervene to try to solve. I have no idea
  3. pfm21

    pfm21 pfm21 build 3dof dinamic

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    I moved the motors to have a longer lever. the problem that the motors stop still happens c, I weigh 75kg and when there are stronger movements to one side they go down and detach because they can't get up (the lotori are those recommended taken from australia) while with my son 65kg they don't It happens. I don't know what to do anymore I see that everyone also uses wiper motors and they don't have these problems. helpooo

    Attached Files:

  4. pfm21

    pfm21 pfm21 build 3dof dinamic

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    is there any setting in smc that I need to change to make sure that the motors when they go down have more strength to go up and therefore do not fall down and shut down?
  5. pfm21

    pfm21 pfm21 build 3dof dinamic

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    This a picture of my ring

    Attached Files:

  6. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Your levers are incorrectly configured, so are highly inefficient with respect to torque utilisation and will be placing a lot of strain on the motors. with levers the best torque utilisation is at 90deg, think of like pushing a door, at 90deg you can do it with your little finger. But trying to push a door from its edge is really ineffective. 38-40deg either side is the best range to use torque effectively, as over that it becomes really inefficient:

    Levers.jpg
  7. pfm21

    pfm21 pfm21 build 3dof dinamic

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    my problem occurs when the levers go down with a strong movement and the motor can't hold and detaches low
  8. pfm21

    pfm21 pfm21 build 3dof dinamic

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    to limit the angle on which parameter do you intervene? on axis limiting?
  9. pfm21

    pfm21 pfm21 build 3dof dinamic

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    looking good I realized that this is the right engine working range? but in the software where I limit the working angle of the motor? (axis limiting?)
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Balance:
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    My Motion Simulator:
    3DOF, DC motor, JRK
    Going down has to deal with inertia that includes the user's mass, so the design, hardware and settings must be able to deal with that.

    On the software side the range should be adjusted in SMC3, with the at rest level position of the seat having the rods at 90deg to the rest lever. So adjust your SMC3 Max and Clip limits, and tune PID: https://www.xsimulator.net/communit...driver-and-windows-utilities.4957/#post-48121
  11. pfm21

    pfm21 pfm21 build 3dof dinamic

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    what values do you suggest me to try
  12. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Innovative tech specialist for NGOs
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    Balance:
    124,768Coins
    Ratings:
    +9,758 / 47 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
  13. pfm21

    pfm21 pfm21 build 3dof dinamic

    Joined:
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    Balance:
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    Ratings:
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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
  14. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
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    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    124,768Coins
    Ratings:
    +9,758 / 47 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Last edited: Oct 23, 2020
  15. pfm21

    pfm21 pfm21 build 3dof dinamic

    Joined:
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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
  16. pfm21

    pfm21 pfm21 build 3dof dinamic

    Joined:
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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    • Like Like x 2
  17. pfm21

    pfm21 pfm21 build 3dof dinamic

    Joined:
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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    This is my settjng for now

    Attached Files:

  18. pfm21

    pfm21 pfm21 build 3dof dinamic

    Joined:
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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    I forghet this

    Attached Files:

  19. pfm21

    pfm21 pfm21 build 3dof dinamic

    Joined:
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    Balance:
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    +34 / 0 / -0
    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    test dinamic ring 3 dof


    • Like Like x 1
  20. pfm21

    pfm21 pfm21 build 3dof dinamic

    Joined:
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    Balance:
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    +34 / 0 / -0
    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino
    This is new video of my 3dof