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3DOF Arduino motion platform project

Discussion in 'DIY Motion Simulator Projects' started by Mechatronik, May 2, 2022.

Page 2 of 2
  1. Mechatronik

    Mechatronik Member

    Joined:
    May 2, 2022
    Messages:
    45
    Occupation:
    Student
    Location:
    Poland
    Balance:
    - 15Coins
    Ratings:
    +27 / 0 / -0
    My Motion Simulator:
    3DOF, DC motor, Arduino
    Finally my rig works with Assetto Corsa. I turned off sway, because it felt like old car with really soft springs ( maybe wrong settings, what do you think?). I think my roll is not enough. Over all I am very happy. :)
    There are 2 laps on Nurburgring:

    • Like Like x 1
    Mechatronik, Aug 27, 2022
    #21
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    21,142
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    148,547Coins
    Ratings:
    +10,902 / 54 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Please post pictures of all of your settings, including what you had for sway, as turning it off you are losing a lot and it is likely your settings require further refinement, see the FAQ tuning tips and do each axis one at a time: https://www.xsimulator.net/community/faq/steps-to-create-a-motion-profile.228/
    noorbeast, Aug 28, 2022
    #22
  3. Mechatronik

    Mechatronik Member

    Joined:
    May 2, 2022
    Messages:
    45
    Occupation:
    Student
    Location:
    Poland
    Balance:
    - 15Coins
    Ratings:
    +27 / 0 / -0
    My Motion Simulator:
    3DOF, DC motor, Arduino
    My settings

    axis%.PNG

    tuning center.PNG
    Mechatronik, Aug 29, 2022
    #23
  4. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    21,142
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    148,547Coins
    Ratings:
    +10,902 / 54 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    May I suggest Filters should only be used as a final tuning step with respect to a well refined motion profile, and that further work is needed to refine yours.

    The Axis Allocations for Roll and Sway look too low and the Tuning Center value for both too high, with pitch an heave not shown as being configured at all.

    As per previous advice I would suggest following the FAQ tips to refine your motion profile: https://www.xsimulator.net/community/faq/steps-to-create-a-motion-profile.228/
    noorbeast, Aug 29, 2022
    #24
  5. Mechatronik

    Mechatronik Member

    Joined:
    May 2, 2022
    Messages:
    45
    Occupation:
    Student
    Location:
    Poland
    Balance:
    - 15Coins
    Ratings:
    +27 / 0 / -0
    My Motion Simulator:
    3DOF, DC motor, Arduino
    I will be back to Assetto Corsa, but today I configured setup for Dirt Rally 2.0

    My settings:

    s1.PNG

    s2.PNG

    s3.PNG

    I used 5% filtering for surge, because gear shift was too snappy. With 0% filtering and 5 max/min values gear shift was perfect, but acceleration and deceleration near to zero. Pitch, Heave, surge and traction loss are perfect, but I have the same problem with roll and sway like in assetto. I used this time more axis allocation like you suggested. Using only roll, sway is ok, but when I use every DOF it is overdone like a lot. I think my rig doesn't have to use much axis allocation for roll/sway to get good resault. I will try using more min/max values for surge when using every DOF, maybe it will help. Thanks for your support :D
    Mechatronik, Aug 29, 2022
    #25
  6. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
    Jul 13, 2014
    Messages:
    21,142
    Occupation:
    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    148,547Coins
    Ratings:
    +10,902 / 54 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    My guess is the sway TC value is too small.
    noorbeast, Aug 30, 2022
    #26
  7. khairul nizam

    khairul nizam dadima

    Joined:
    Dec 29, 2021
    Messages:
    35
    Occupation:
    Retails
    Location:
    Malaysia
    Balance:
    71Coins
    Ratings:
    +6 / 0 / -0
    My Motion Simulator:
    2DOF, DC motor
    Hi @Mechatronik. Hope you're doing well. How's your rig currently? I supposed you're using nano as the microprocessors, may I know which code that you've loaded into it? Because as far as I remembered I was having trouble uploading Smc3 code into nano, due to the difference in their timer.

    It would be grateful if you could kinda upload your code here, if there are any tweak have been done there.

    Thanks dude
    khairul nizam, Nov 3, 2023
    #27
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