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2dof project

Discussion in 'DIY Motion Simulator Projects' started by Cataron, Feb 14, 2015.

  1. Leo Burton

    Leo Burton Active Member

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    My Motion Simulator:
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    Looking very good @Cataron! Much more stable now!
    • Like Like x 1
  2. Cataron

    Cataron Member

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    Yes, for the moment, I only tried monza, Will try the nord
  3. Cataron

    Cataron Member

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    This is a thing I need to improve indeed, i have some floor tiles, Will try with that, thanks.
    Also, i still have some big moves when braking for example, I wonder if it wouldn't be good to add some weigh
  4. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, JRK

    Throttle braking is from Surge, and Monza will have next to NOTHING for Pitch and roll so there's good reason u aren't feeling it, lol
    • Agree Agree x 1
  5. Cataron

    Cataron Member

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    Well I think I'm not clear enough when explaining :
    For me when you're full speed in the granda curve, the first big turn, my seat should roll on the left to simulate the centrifuged strength. the same if you suddenly go to the left in the same turn, the seat should suddenly roll on the right. BUT, maybe it's not the way it should be and my expectations are not what they should be.
    I'll try the nordschleife to see what the roll can be
    The other thing is : I'm a beginner so I'm not used already to all different axis, I know pitch, roll, yaw, ok for these.
    But I can't figure out the others, such as surge, ...
    So I think the main problem is here, as soon as I will have understood all these things, I think I will be able to understand how it works, and how I can make it to meet my expectations.
  6. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    Probably best to post a video that shows the game and your sim movement together, plus pictures of your settings. It is always difficult to get a real idea from a description of movement, better to see it in actions and members can then jump in with profile advice.
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  7. pipis2015

    pipis2015 over-boost

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    My Motion Simulator:
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    [​IMG]
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  8. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
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    Think of Pitch and Roll as Track specific and not so much the car itself. Your mixing up Roll with Sway.


    Set up Each Force Individually, ensure its the proper direction's and then tune the % your after...Retune once you have All forces activated.
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  9. Cataron

    Cataron Member

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    As simple as that, thanks for the picture, it will help for sure, thanks a lot
  10. Cataron

    Cataron Member

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    I'd prefer try to understand how it works first, and then, if i'm too long to understand, I will make a video exactly as you say
    Don't know i f I said that before, but I'm not too hurry about the final building (when it will be finished, i'll have to find another project :D)
    What I want, is understand exactly all the effects, and how it will impact the simu, and I want to take all the time necessary for this
    at least for the moment, it may not be the same in 15 days ;))
    Of course, I want to try it asap, but as mys wheel is not fixed yet, it's not as hurry as it could be
    The picture given by Pipis, helps me so muche, I'll begin to work with that
  11. Cataron

    Cataron Member

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    Seems reasonnable to start with, will try it, but not before saturday I'm afraid
    Thanks
  12. pipis2015

    pipis2015 over-boost

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    start with 60% on both sway(centrifugal force) and surge(throtle/brake force).
    One of the two axis of sway should be inverted.

    the rest is just fine tunning to your preference.

    EDIT:use 50% boundary an all forces(because your mounting design is equilateral/isosceles triangle).

    Avoid any other forces for start.
    • Like Like x 1
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    Last edited: Mar 19, 2015
  13. Nick Moxley

    Nick Moxley Well-Known Member

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    I disagree with the 60% portion. and Why would he avoid any other forces ?
  14. pipis2015

    pipis2015 over-boost

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    My Motion Simulator:
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    I advised him to "start" with 60%, as a figure above average(50% i.e.)

    As for the rest of the forces, i said:"Avoid any other forces for start."

    Reason for this is that since he has a seat mover its better to fine tune acceleration forces that his body will feel from the motion of the car.

    And if he then feels comfortable he can then tune the forces that his body will feel from the actual tilt of the car chassis.
  15. Nick Moxley

    Nick Moxley Well-Known Member

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, JRK
    Tune ONE force at a time, Being New, Mixing ANY of the forces together during initial setup will confuse most new guys and that's not what we want, Doing Individual forces at a time will ensure the end user understands what Motion in game causes What motion in the Rig and can then Tune from there.

    60% of the force will give the Wrong Idea Right off the bat, that is 3X what we suggest starting at and will result in Too much motion in the end.
    • Agree Agree x 1
  16. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    The documentation is pretty good as a place to start, first with the axis and then with the main and tuning center settings:

    http://www.xsimulator.net/co-ordinate-system/

    http://www.xsimulator.net/simtools-game-engine/

    http://www.xsimulator.net/tuning-centre/

    Even so in the end you are likely to find member advice useful for fine tuning, like having the Max setting for surge smaller than the Min setting, for that crisp gear change effect.
    • Agree Agree x 1
  17. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    • Useful Useful x 1
  18. Cataron

    Cataron Member

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    Hello everybody
    First, thanks for all these helps
    Don't have much time to go on on this subject, but I will try to study what you linked me.
    First I have to be sure that the connection between the motors and the potentiometer is good, because I always have a slight change when using it, so every time I need to set the cam (is that the correct word ?).
    And, i'll take some time to study everything, make mys settings, and I'll come back with some questions for sure :D
    • Like Like x 1
  19. Cataron

    Cataron Member

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    Hey there, back again on this project, as I had to make a break for a while ...

    Many week s has passed, and I have to restart to learn everything that used to be simple in 2015 :confused:

    Anyway, here are some pictures of what I made this weekend, hopefully I will finish the whole installation with steering wheel and gearbox next saturday. Then settings and first tests with games in real situation (have also oculus rift, and mostly play dirt rally, assetto corsa, and elite dangerous)

    Sorry to all of those who have waited for information (not much now I'm afraid :D), I'm pretty confident I will finish this project soon and will enjoy it as it must be.

    Stop talking, photos now :

    20180204_114051.jpg

    20180204_114148.jpg

    20180204_114106.jpg

    Bye

    Attached Files:

    • Like Like x 4
  20. Cataron

    Cataron Member

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    Thanks guys, now a video showing overall operations, was quite surprised at the beginning it was still working well :)

    • Like Like x 1