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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 2dof dinamic

    Joined:
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    My Motion Simulator:
    2DOF
    Hi everyone. after reading a lot in your forum I'm starting the construction of my dynamic posatzione.My materials are:
    arduino board
    motomonster to control the two engines
    2 10k potentiometers
    24v 30A power supply because the three-crystal motors are 24V
    two 24V truck wiper motors to be replaced later as they are different
    I hope to find help to be able to complete my project
    meanwhile, thank you all in advance

    Attached Files:

  2. Ads Master

    Ads Master

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  3. pfm21

    pfm21 pfm21 build 2dof dinamic

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    My Motion Simulator:
    2DOF
    I followed the scheme for the connection between arduino and motomonster and loaded the arduino code SMC3 now I am trying the utility for setting the engines

    Attached Files:

  4. pfm21

    pfm21 pfm21 build 2dof dinamic

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    My Motion Simulator:
    2DOF
    in the tests that I am doing my difficulty is to connect the potentiometers to the motors as they often move in the tests. do you have any idea?

    Attached Files:

  5. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Ratings:
    +8,992 / 43 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
  6. pfm21

    pfm21 pfm21 build 2dof dinamic

    Joined:
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    My Motion Simulator:
    2DOF
  7. pfm21

    pfm21 pfm21 build 2dof dinamic

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    My Motion Simulator:
    2DOF
    I forgot. the potentiometers are 10k, perhaps too sensitive?
  8. Jrank1

    Jrank1 New Member Gold Contributor

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    My Motion Simulator:
    2DOF
    Turn all your K settings to zero except top one. Reduce PWMmin to zero and start again.. motors are always working if they are holding the levers in position..
  9. pfm21

    pfm21 pfm21 build 2dof dinamic

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    My Motion Simulator:
    2DOF
    Thanks friend. I try it.
  10. pfm21

    pfm21 pfm21 build 2dof dinamic

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    My Motion Simulator:
    2DOF
    [QUOTE = "Jrank1, post: 200659, membro: 37341"] Porta tutte le tue impostazioni K a zero tranne quella in alto. Ridurre PWMmin a zero e ricominciare .. i motori funzionano sempre se tengono le leve in posizione .. [/ QUOTE]

    I put all the k settings at 0 as you told me but I can't turn off the motor LEDs. is there no way to enlarge the central dead center of the potentiometer? thank you
  11. pfm21

    pfm21 pfm21 build 2dof dinamic

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    My Motion Simulator:
    2DOF
    this is a picture of motor and utility

    Attached Files:

  12. pfm21

    pfm21 pfm21 build 2dof dinamic

    Joined:
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    My Motion Simulator:
    2DOF
  13. pfm21

    pfm21 pfm21 build 2dof dinamic

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    My Motion Simulator:
    2DOF
    I ask this because sometimes it doesn't work and I have to open smc3utility first and then I restart everything and then it works

  14. pfm21

    pfm21 pfm21 build 2dof dinamic

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    My Motion Simulator:
    2DOF
  15. pfm21

    pfm21 pfm21 build 2dof dinamic

    Joined:
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    Ratings:
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    My Motion Simulator:
    2DOF

    Attached Files:

  16. pfm21

    pfm21 pfm21 build 2dof dinamic

    Joined:
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    Balance:
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    Ratings:
    +11 / 0 / -0
    My Motion Simulator:
    2DOF
    tihis is my progress.
    thanks to all your advice slowly I'm building my workstation

    Attached Files:

    • Like Like x 1
  17. pfm21

    pfm21 pfm21 build 2dof dinamic

    Joined:
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    Balance:
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    Ratings:
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    My Motion Simulator:
    2DOF
    this is a link with test. for now all right . next step is buiding iron plate to put under the seat.
    I would like to make a platform like this if I can

    this is video test


    Attached Files:

    • Like Like x 1
  18. pfm21

    pfm21 pfm21 build 2dof dinamic

    Joined:
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    Balance:
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    Ratings:
    +11 / 0 / -0
    My Motion Simulator:
    2DOF
    my next step will be to change the parameters of the axes a bit but I will have to study enough because I still haven't understood many things. but I still thank you all who are helping me a lot.
  19. pfm21

    pfm21 pfm21 build 2dof dinamic

    Joined:
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    Balance:
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    My Motion Simulator:
    2DOF
    if one of the two motors rotates a little slower what value should i change? thank you
  20. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
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    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    111,171Coins
    Ratings:
    +8,992 / 43 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    It looks like these are not identical motors,is that correct, as the one on the left looks larger than the motor on the right? If so they may well have different speeds and ratios, which would make tuning really difficult.

    [​IMG]
  21. pfm21

    pfm21 pfm21 build 2dof dinamic

    Joined:
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    Balance:
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    Ratings:
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    My Motion Simulator:
    2DOF
    yes they are actually different I thought it was possible to change some parameters for the rotation. at this point I have to buy two the same. what do you think of these: https://www.ebay.it/itm/Motor-elett...195446?hash=item420a646df6:g:7JMAAOSwsWddOo7t