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Fanch 6DOF linear servos rig

Discussion in 'DIY Motion Simulator Projects' started by fanch64, Oct 20, 2020.

Tags:
  1. fanch64

    fanch64 New Member

    Joined:
    Sep 26, 2011
    Messages:
    10
    Occupation:
    mechatronics
    Location:
    Macaye, france
    Balance:
    36Coins
    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    AC motor, Motion platform, 6DOF
    Hi all,

    I'm from SO of france, near Bayonne.
    I would like to present my current project.
    first history.
    All started a long time ago, someting like 20 years when I built my first high definition wheel.
    not enough, a few years later, I could source for free a huge Yaskawa servo. so I built my fist FFB wheel. things went better!
    why not add motion? so i did one of these 2 axis motion platform, with wiper motors. not powerfull, poor definition, lots of fun anyway.
    but... seat moving, but not really realistic, screen not moving, it was not that good, and i also discovered motion sickness...
    so i took it apart, and forgot about motion for a decade.
    2 years ago, I coud buy an Oculus Rift. of course, i gave a try to VR simracing. wow! how impressive is immersion, speed sensation, and much more! I'm a huge fan!
    but... view moving, but no kinesthesic feeling means motion sickness again.
    so this summer I decided to go for a complete new solution.
    new rig, new DD wheel, new peripheral...
    3dView-Mid.JPG
    • Like Like x 2
    fanch64, Oct 20, 2020
    #1
  2. fanch64

    fanch64 New Member

    Joined:
    Sep 26, 2011
    Messages:
    10
    Occupation:
    mechatronics
    Location:
    Macaye, france
    Balance:
    36Coins
    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    AC motor, Motion platform, 6DOF
    this is steel frame, of about 1.6m diameter.
    not checked total wheignt, but should be about 200kg.
    servos are made out aluminium tubes. Ø100mm an Ø50mm.
    they are moved by standard 2.4Nm servos from aliexpress and 1610 ballscrews.
    power and speed is "enough". maybe I should say way too much!!!
    travel for each actuator is 500mm.
    the red parts on model are all 3D printed. toleranced ones in actuators were printed oversized, and cut down to size on my lathe.
    • Like Like x 1
    fanch64, Oct 20, 2020
    #2
  3. fanch64

    fanch64 New Member

    Joined:
    Sep 26, 2011
    Messages:
    10
    Occupation:
    mechatronics
    Location:
    Macaye, france
    Balance:
    36Coins
    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    AC motor, Motion platform, 6DOF
    About electronics,
    motion platform is using either my own 8axis motion board which is still not perfect, or a thanos AMC-AASD15A (used for performance comparison, and performing great!!!).
    on the software side, i use both SimTools and LFS, and FlyPt-Mover for everything else.
    I love Mover for ease of use and versatility, but i get a smoother feeling with simTools. maybe my computer is not quick enough...
    I thought my board, or code was in question, but that is exactly the same with Thanos one.
    hiding mover windows helps a lot. it's 95% good. I can only feel steps on high speed movements. as servos are really very quick, they finish their motion before next movement is received.
    SimTools, on the other side gives a very smooth motion. don't know exactly why.
    I think I can do something on the software side of my board...
    • Like Like x 1
    fanch64, Oct 20, 2020
    #3
  4. fanch64

    fanch64 New Member

    Joined:
    Sep 26, 2011
    Messages:
    10
    Occupation:
    mechatronics
    Location:
    Macaye, france
    Balance:
    36Coins
    Ratings:
    +9 / 0 / -0
    My Motion Simulator:
    AC motor, Motion platform, 6DOF
    reserved for more pictures when i have cleaned up sim room !!!
    fanch64, Oct 20, 2020
    #4