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Actuators move randomly in LFS

Discussion in 'SimTools DIY Version' started by zhangxiaobao, Jun 15, 2015.

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  1. zhangxiaobao

    zhangxiaobao New Member

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    Hello,

    I'm trying to set up a 2-axis simulator. I have already set up the axes, and in 'output testing' the actuators move correctly. However when I patch LFS and run the game, the actuators seem to move randomly with no resemblance at all to the in-game pitch and roll. I have no idea what's wrong. Can you help me?

    I'm running LFS 0.6H on Windows 8.1. A friend running Windows 7 had the same problem.

    Thanks
    zhangxiaobao, Jun 15, 2015
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    You really need to supply more information about what you have and have not done.

    What actuators and control boards is your simulator using?

    For troubleshooting purposes it helps if you post screenshots of all of your settings and a video of the movement you are observing.

    Is the status showing as connected for the game?

    Have you established base settings in the Tuning Center? http://www.xsimulator.net/community/faq/set-base-tuning-motion-values-in-the-tuning-center.122/
    noorbeast, Jun 15, 2015
    #2
  3. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    I'm guessing that you want to be using sway and surge...
    • Like Like x 1
    yobuddy, Jun 15, 2015
    #3
  4. zhangxiaobao

    zhangxiaobao New Member

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    Hello,

    it seems there's a problem with game output. As you can see in the video below, the values seem to fluctuate wildly.

    Last edited: Jun 16, 2015
    zhangxiaobao, Jun 16, 2015
    #4
  5. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    @zhangxiaobao, You really need to supply more information about what you have and have not done.
    Screenshots of your setup or something...
    yobuddy
    • Agree Agree x 2
    yobuddy, Jun 16, 2015
    #5
  6. zhangxiaobao

    zhangxiaobao New Member

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    OK, I actually uploaded two videos earlier, but then I found the game output to be the cause, so I didn't post them. Here they are:




    What I have done:
    installed Simtools, set up interface and axis settings, patched LFS.

    Please let me know if more information is needed.

    Thank you!
    zhangxiaobao, Jun 17, 2015
    #6
  7. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    First of all, if we are building a 2dof sim, you probably want to use Sway and Surge.
    Next, may I see the max min file for LFS please?
    yobuddy
    • Agree Agree x 1
    yobuddy, Jun 17, 2015
    #7
  8. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    Also, make sure the axis assignment are the same when you select lfs on the axis assignment page.
    • Agree Agree x 1
    yobuddy, Jun 17, 2015
    #8
  9. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    I already asked if you had established base settings for the Tuning Center and gave the link on how to do so, but you have not confirmed if you have done so.

    Can you please verify and include screenshots for the Tuning Center.
    noorbeast, Jun 17, 2015
    #9
  10. zhangxiaobao

    zhangxiaobao New Member

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    Thank you very much for your help and patience!

    To @yobuddy:
    Yes, but I'm going to build a 6DOF. This setup is just for testing whether the software would work.
    Yes, they are the same when I select LFS.

    To @yobuddy and @noorbeast:
    Yes, I have done that, and I found that the captured min/max value is actually smaller than the default, so I don't think that's the problem.
    Here is a screenshot:
    tuningcenter.jpg
    And I suppose the 'min/max file' is the same thing as this?

    Also, I found that the inputs all go to zero when I select exterior views.
    What might be the problem?

    Thank you again.
    zhangxiaobao, Jun 19, 2015
    #10
  11. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    LFS only outputs data when your in the car, so thats just how the game works.
    The data fluctuates because the car is started, Its just extremely small numbers.
    May I see you axis assignments for LFS, screenshot?
    yobuddy
    • Agree Agree x 1
    yobuddy, Jun 19, 2015
    #11
  12. zhangxiaobao

    zhangxiaobao New Member

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    My Motion Simulator:
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    Here's the screenshot:

    lfsaxis.jpg

    I'm sorry, but it's not "small" fluctuations. The output value goes from 0 to 10000000 then to 0. Sometimes it shows "not a number".
    zhangxiaobao, Jun 19, 2015
    #12
  13. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    I built all of SimTools around LFS, So I know for sure LFS works.
    yobuddy
    • Like Like x 1
    yobuddy, Jun 19, 2015
    #13
  14. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    The smaller the min/max the stronger and more sensitive the output.
    noorbeast, Jun 19, 2015
    #14
  15. bsft

    bsft

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    Did you try sway and surge? like @yobuddy suggested?
    What actually are the actuators?
    bsft, Jun 20, 2015
    #15
  16. zhangxiaobao

    zhangxiaobao New Member

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    So, guys, today as I was playing with OutSim and trying to debug this issue, I found a strange thing. For certain values of heading, pitch, roll or other inputs, a wrong value is shown in "Game Data" in "Tuning Center".

    I have absolutely no idea why would this happen. If you're interested here's the script I used to debug (Python 3.4):
    http://pastebin.com/10VNhVwT

    If I run this while running LFS, I expect to see a yaw of 4.27 in "Tuning center", while it shows 3.35966658277133E-37.
    test.jpg

    Can you replicate this behavior?

    Thank you.
    zhangxiaobao, Jun 20, 2015
    #16
  17. value1

    value1 Nerd SimAxe Beta Tester SimTools Developer Gold Contributor

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    Hi @zhangxiaobao
    You are aware that outsim outputs the values in world coordinates while these are output in local coordinates in SimTools?
    Before comparing the OutSim output, you must do this mathematical transformation.
    Otherwise I expect the values to be different (OutSim vs SimTools)!
    • Informative Informative x 1
    value1, Jun 20, 2015
    #17
  18. zhangxiaobao

    zhangxiaobao New Member

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    Yes I'm aware of that. It seems that OutSim outputs positions, velocities and accelerations in world coordinates, while pitch, roll and heading is local. I have also done the transformation from radian to degree. For some values that I input, the value shown in Tuning center is the same as printed, while for some it's very different(shows a very small or very large number). I found this out by first using random numbers.
    zhangxiaobao, Jun 20, 2015
    #18
  19. zhangxiaobao

    zhangxiaobao New Member

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    My Motion Simulator:
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    Yes, I tried that, and it's still not working.
    I don't really know what the actuators are. My friend built and gave them to me. I'm rather illiterate about hardware. They are used only for testing. Quite small, as you can see. But they use the SCN5 interface.
    • Like Like x 2
    zhangxiaobao, Jun 20, 2015
    #19
  20. fzxj520

    fzxj520 Active Member

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    • Did you try to use the game to other plug-ins? I also use lfs plug-ins, and as your case. Then I try to download and use the RBR plugin normal output.
    Added:
    • Or Change the language locale to English （
    Last edited: Jun 28, 2015
    fzxj520, Jun 20, 2015
    #20
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