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Question First run 2DOF platform. Can you help?

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Deeppl, Sep 1, 2021.

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  1. Deeppl

    Deeppl Member

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    My Motion Simulator:
    2DOF, DC motor, Motion platform
    Hi.

    My machine started. It is amazing.
    So far only a video from work because I could not wait.

    Specifications, problems and solutions soon.





    Best regards to all interested.
    • Like Like x 2
    Deeppl, Sep 1, 2021
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    • Winner Winner x 1
    noorbeast, Sep 2, 2021
    #2
  3. Deeppl

    Deeppl Member

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    My Motion Simulator:
    2DOF, DC motor, Motion platform
    I only used the roll and pitch axes.
    Should I add a Sway axis too?
    Same as roll but reverse the direction of the motors?
    I understand well
    Deeppl, Sep 2, 2021
    #3
  4. Deeppl

    Deeppl Member

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    My Motion Simulator:
    2DOF, DC motor, Motion platform
    axis.jpg

    It actually looks like this.
    Deeppl, Sep 2, 2021
    #4
  5. Deeppl

    Deeppl Member

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    My Motion Simulator:
    2DOF, DC motor, Motion platform
    Specification:
    Arduino UNO with SMC3 in mode1
    Cytron MD13S
    220W 24V wheelchair motors (approx 100 rpm)
    2x DPS-800GB power supplies modified for 24V
    Deeppl, Sep 2, 2021
    #5
  6. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Even on a 2DOF to get the full benefit you should configure sway, simulated heave and surge, as well as roll and pitch.

    See the tuning tips here and initially do each axis individually, then turn them all on for final tweaking: https://www.xsimulator.net/community/faq/steps-to-create-a-motion-profile.228/

    You can go a bit over 100% total axis allocation, but don't overdo it: https://www.xsimulator.net/community/faq/axis-assignment-percentage-totals.120/
    noorbeast, Sep 2, 2021
    #6
  7. Deeppl

    Deeppl Member

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    2DOF, DC motor, Motion platform
    Hi. After your advice, I improved the operation of my machine. It is incomparably better;) Thanks.

    See the changes I have made and say what you think.



    These are pictures of the current axis settings:

    dof1.jpg

    dof4.jpg

    I am waiting for further advice.
    Regards.
    Deeppl, Sep 3, 2021
    #7
  8. Deeppl

    Deeppl Member

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    My Motion Simulator:
    2DOF, DC motor, Motion platform
    Some history. My first smc3 test circuit. I connected the uno with the citron drivers along with the 12v wiper motors. Potentiometers not connected to the motor shaft but it was enough for the first test;)

    20210728_171204.jpg 20210728_171221.jpg

    this is my first contact with arduino
    Deeppl, Sep 3, 2021
    #8
  9. Deeppl

    Deeppl Member

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    My Motion Simulator:
    2DOF, DC motor, Motion platform
    I have a problem with the configuration of the 3rd engine.

    20210905_193102.jpg

    After adding [C <Axis3a>] all communication starts to lag. Latency appears to increase over time and is counted in seconds, not ms.
    Deeppl, Sep 5, 2021
    #9
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    You would normally set up SMC3 as Serial, like this:

    [​IMG]
    noorbeast, Sep 5, 2021
    #10
  11. Deeppl

    Deeppl Member

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    My Motion Simulator:
    2DOF, DC motor, Motion platform
    I use a second computer for quick adjustments. Therefore, UDP is the only way. I guess.
    Deeppl, Sep 12, 2021
    #11
  12. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
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    Occupation:
    Innovative tech specialist for NGOs
    Location:
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    Balance:
    145,022Coins
    Ratings:
    +10,775 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    noorbeast, Sep 13, 2021
    #12
  13. Deeppl

    Deeppl Member

    Joined:
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    My Motion Simulator:
    2DOF, DC motor, Motion platform
    It's very interesting. Thanks, I have to check it out. I did not think that you can change ON / OFF there. ;)
    Deeppl, Sep 13, 2021
    #13