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My 2DOF wipe motors and ITEM structure

Discussion in 'DIY Motion Simulator Projects' started by Chumet1, Dec 20, 2014.

  1. Chumet1

    Chumet1 Member

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    My Motion Simulator:
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    20140321_231348_resize_20141220_133502.jpg 20141220_182552_resize_20141220_183242.jpg Captura_resize_20141220_133505.jpg

    UPDATE with the last improvements:



    20150114_234732_resize_20150115_002526.jpg 20150114_234758_resize_20150115_002525.jpg 20140319_230949.jpg 20150114_234745_resize_20150115_002525.jpg
    Last edited: Jan 15, 2015
  2. Chumet1

    Chumet1 Member

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    then I will upload more details cockpit and its components.
  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Thanks for starting your own thread @Chumet1.

    Unfortunately the video is set to private so can't be viewed.
    • Agree Agree x 1
  4. Chumet1

    Chumet1 Member

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    thanks to you and all who have shown their inventions I've encouraged me a low-cost but highly effective.
  5. Chumet1

    Chumet1 Member

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    forgive. It is public now
  6. Chumet1

    Chumet1 Member

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  7. Chumet1

    Chumet1 Member

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  8. Chumet1

    Chumet1 Member

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  9. Chumet1

    Chumet1 Member

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  10. Chumet1

    Chumet1 Member

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  11. Chumet1

    Chumet1 Member

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  12. Chumet1

    Chumet1 Member

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    The controller is a popolu jrk 12v12 with a power supply battery car and recharger.
    For the future 2 reals power supply is better
  13. Chumet1

    Chumet1 Member

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    The wipe motors is from VW Golf V but without the internal electronic.
  14. Chumet1

    Chumet1 Member

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    The seat is from SEAT Leon III CUPRA. Is very confortable and regulable ;)
  15. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Thanks for updating the video @Chumet1 and all of the additional photos, they are really nice.

    The profile aluminum sure makes for a light and good looking frame.

    You could consider having a short upright either side to connect the motors to a higher point of the frame, that way it would take some of the strain off the motors.
  16. bsft

    bsft

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    looks good man and @noorbeast has pointed out, the motors will work better if they connect higher.
    Also, as you are running JRKS, maybe this info will help fine tuning
    Ok, try max accell and max duty at 500, max duty while feedback out of range 500
    current calibration 130
    max current 0 (unlimited)
    PID period 20ms
    Integral limit 10000
    With PID, Leave I alone and at 0
    Using the slider bar in INPUT tab of utility only, no simtools, this is how its done.
    Set P, I , D to 0 in the decimals, apply settings, now start with P only and work up in increments of 0.1 , aplly settings, go to INPUT tab, tick the box "automatically set target", click run motor and either slide the bar fast from side to side or use the home/end buttons to do max, min motor throwing.
    Work up in 0.1, so next would be 0.2, then 0.3, etc. Until you find when you move the slider bar, the motor twitches like a bugger. Once you get that, halve that figure you have in P. So if its say 0.7 , you would put in 0.35.
    Now dont worry if when you click apply settings, that the number is not exactly what you typed in.
    Once the P number is halved like I said, go to D and work up in increments of 0.1 like you did with P. Apply settings, go to INPUT tab, and run motor and move the slider back and forth fast until the motor lever stops overshooting its stop point and starts to be very solid in stopping.
    So for example, you may have a final figures of P 0.3672 , and D of 0.8231 for example. Do not use those figures, I am using an example of what may be the final numbers.
    I have found when I do put in say 0.8, apply settings, it gives me 0.79999 or something like that.

    With setting forces, you can add as many as you like, but as I say in the guide, work with each one till it feels more or less right.
    On my rig, I run surge, sway, heave, pitch and roll. 5 forces.
    I work with each one till its feels more or less ok, then after all that , I mix them all up and fine tune if needed.
    Yes some of my percentages end up higher or lower in axis assignments, but the base to start at is 20 % for each one.
    • Informative Informative x 4
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  17. Chumet1

    Chumet1 Member

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    If, engines and had mounted on the bars aluminum, but set on the floor simplify wiring.
  18. Chumet1

    Chumet1 Member

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    settings of jrk if I care enough because I have oscillations in the left engine
  19. bsft

    bsft

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    Ive posted instructions on properly setting PID above
  20. Chumet1

    Chumet1 Member

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    if I've seen. I try to follow the steps in stride. Thank You