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Question 6DOF with 2 x Arduino UNOs + SMC3.ino

Discussion in 'Forum and Website' started by Sam MAHENDRA, May 13, 2020.

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  1. Sam MAHENDRA

    Sam MAHENDRA mahentheman

    Joined:
    Jun 24, 2019
    Messages:
    59
    Occupation:
    Electrical Engineer
    Location:
    Sydney Australia
    Balance:
    395Coins
    Ratings:
    +29 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform, 6DOF
    Hello my fellow XSim Community,

    I joined the Xsim community in mid 2019 and have successfully built two Motion Sims, (1) 2DOF + TC with UNO running SMC3.ino driving Wiper motor via IBT_2 and
    (2) 2DOF +TC with UNO running SMC3.ino driving 200W motors via IBT_2.

    Now I am embarking on building my third Sim; a 6DOF with 2 UNOs, each running SMC3.ino and driving 3 x IBT_2 + 3 x Wiper motors.

    Having read all the available information on the 6DOF in Xsim, I am sure that my proposed set up is quite feasible.

    Before, I start to build anything, I would like to get your feedback on the
    my proposed SimTools Axis assignments & Interface settings.

    Axis Assignments
    6DOF-Axis_1_2_3.JPG
    6DOF-Axis_4_5_6.JPG

    Interfaces
    6DOF-IF_1.JPG
    6dof-IF_2.JPG
    Any feedback and suggestions, especially on ticking the correct DIR boxes for DOFs are welcome.
    Sam MAHENDRA, May 13, 2020
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,534
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    145,028Coins
    Ratings:
    +10,776 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Have you actually tested if wiper motors are powerful enough to drive a 6DOF?
    noorbeast, May 13, 2020
    #2
  3. Sam MAHENDRA

    Sam MAHENDRA mahentheman

    Joined:
    Jun 24, 2019
    Messages:
    59
    Occupation:
    Electrical Engineer
    Location:
    Sydney Australia
    Balance:
    395Coins
    Ratings:
    +29 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform, 6DOF
    Thanks for your prompt response.
    No I haven't tested whether the Wiper motor are powerful enough. I will first try them with some provision to replace them, if necessary, with the 200W motors that I used for my second 2DOF+TC.
    My concern is whether the SimTools can handle two Ards UNOs connected as Interface 1 & 2 on separate COMs?
    Sam MAHENDRA, May 13, 2020
    #3
  4. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    20,534
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    145,028Coins
    Ratings:
    +10,776 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    SimTools can handle the Arduinos, but I doubt wiper motors can handle a 6DOF load.

    I suspect even the 200w would need low ratio gearboxes, but someone like @SeatTime could give a more authoritative opinion.
    noorbeast, May 13, 2020
    #4