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2DOF Frame mover - my compact simulator

Discussion in 'DIY Motion Simulator Projects' started by mirkobastianini, Mar 19, 2017.

  1. Bernd Manger

    Bernd Manger Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    I missed this sentence, because my PSU's work the other way. So forget my solution.
  2. mirkobastianini

    mirkobastianini Active Member

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    My Motion Simulator:
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    No problem. Anyway it's unfair if you remove all of your posts in wich it's clear that you are not very smart.

    Another time I say, Have a good day and good life.
    • Like Like x 1
  3. mirkobastianini

    mirkobastianini Active Member

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    My Motion Simulator:
    2DOF
    Today I've maked plates for Hall sensor. It's rude, but seems good to me. I've wrapped it around black rubber to avoid magnetic interferences.
    photo_2017-08-13_18-23-33.jpg photo_2017-08-13_18-23-32.jpg photo_2017-08-13_18-23-14.jpg

    Here with sensor mounted:
    photo_2017-08-13_18-23-13.jpg

    around 2 mm from sensor to magnet...
    photo_2017-08-13_18-23-06.jpg
  4. Zed

    Zed VR Simming w/Reverb Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, JRK
    Hey Mirko - the rubber is unnecessary - it won't affect magnetism. Also, those look like aluminum plates. It's non-magnetic. You should be good just as they are.
    • Informative Informative x 1
  5. mirkobastianini

    mirkobastianini Active Member

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    My Motion Simulator:
    2DOF
    A (very) big update:

    This is the overall situation of my sim:
    IMG_20170916_214211.jpg IMG_20170918_191724.jpg

    In this central barrier i've maked connection to give the start to my 2 HP-DPS600. This connection goes to my emergency switch and after that to a key switch. As you can see from second photo, i've placed a connector into my U-joint base; this is the emergency switch connector, and the most important thing to notice is if you don't connect the E-switch the circuit is not close, so Power supply can't starts...this means if you want to use my sim, you must be safe :)

    IMG_20170918_203813.jpg IMG_20170923_090733.jpg IMG_20170915_201138.jpg IMG_20170923_170511.jpg

    These are the connection goes to fans, JRK and other thing like temperature sensor and wind simulator.
    IMG_20170918_203833.jpg

    Here you can see fuses box and usb hub.
    IMG_20170918_203845.jpg


    This is my JRK and fan:
    IMG_20170918_203855.jpg IMG_20170918_193313.jpg IMG_20170918_193256.jpg

    This is the lever for motor:
    IMG_20170923_132052.jpg



    Yesterday i've tried to mount my sim because it's time to make connection between motors and chair:
    IMG_20170924_092732.jpg IMG_20170924_092810.jpg IMG_20170924_092837.jpg

    Now I have a problem: this screw cannot be unmounted; so I need to find another way to connect all together.
    IMG_20170924_092901.jpg

    I'm hoping to start to have motion next week.
    • Like Like x 3
  6. mirkobastianini

    mirkobastianini Active Member

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    My Motion Simulator:
    2DOF
    Minor update:

    I've closed my E switch, and i've placed motors and hall sensor:

    photo_2017-09-25_21-32-54.jpg photo_2017-09-25_21-34-00.jpg photo_2017-09-25_21-34-00 (2).jpg photo_2017-09-25_21-33-59.jpg photo_2017-09-25_21-34-04.jpg photo_2017-09-25_21-34-02 (2).jpg
    • Like Like x 2
  7. mirkobastianini

    mirkobastianini Active Member

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    My Motion Simulator:
    2DOF
    Updates.

    I've prepared box for my dual-temperature sensor:
    IMG_20170926_205519.jpg IMG_20170926_205525.jpg

    And thread for my motors...it's M10 thread, 43cm long with a lot of nut to make it more resistant...what do you think about it? It's enough?

    IMG_20170926_232136.jpg

    I've fired up all yesterday, and all works fine.

    IMG_20170926_230636.jpg

    Cable Management :) :
    IMG_20170926_230906.jpg IMG_20170926_230859.jpg

    USB hub, and one port for wind simulator:
    IMG_20170926_230921.jpg IMG_20170926_230930.jpg

    Other pictures:
    IMG_20170926_230647.jpg IMG_20170926_230658.jpg IMG_20170926_230718.jpg

    To-Do List:
    -cables for motors;
    -cables for hall sensor;
    -wind simulator (i've ordered one SeaFLO fan);
    -connect everything to chair;
    -study PID and JRK;

    2 questions:
    @Zed suggests to me one video tutorial of PID tuning. It's beautiful (thank you <3) but before study it I need to verify if all works. What I can do in pratically? Is there any guide to follow for setting up everything?

    @noorbeast Do you think at this state my sim is elegible to request a simtool key?

    Thank you :D
    • Like Like x 2
  8. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Great craftsmanship, your build would indeed be eligible for a key.
    • Like Like x 1
  9. mirkobastianini

    mirkobastianini Active Member

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    said to you is an honor. do I just need to make a request on the form?
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    • Like Like x 1
  11. mirkobastianini

    mirkobastianini Active Member

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    Thank you @noorbeast. Where I can start to see how to connect JRK and Simtools and to create a good profile with Simtools and Polou software?
    I must be sure to not damage my electronics :)
  12. mirkobastianini

    mirkobastianini Active Member

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    My Motion Simulator:
    2DOF
    And for 2DOF what parameters is good to use? Roll, pitch and..? Sway, surge? others?

    What are good parameters to start with JRK?
    thank you
    Last edited: Sep 27, 2017
  13. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    The Interface Settings for JRKs are pretty simple, in the Interface1 tab select JRK as the Interface Type, select the first JRK in the Device Number, select Axis 1a as the Assigned Axis and set the Output Rate to 20. Next do the Interface 2 tab, selecting the second JRK and assign it to Axis 2a.

    Creating and refining a motion profile takes time, doing each axis/force one at a time, see here for the basic steps: https://www.xsimulator.net/community/faq/steps-to-create-a-motion-profile.228/
    • Informative Informative x 1
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  14. mirkobastianini

    mirkobastianini Active Member

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    Ok it's simple...and regarding polou JRK utility? Should I do something? Which values are good to start for P/I/D ?
  15. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    • Like Like x 1
  16. MarkusB

    MarkusB Well-Known Member Gold Contributor

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    My Motion Simulator:
    2DOF, 3DOF, DC motor, Arduino, Motion platform
    This video is really great, and I also did my configuration with it.

    One hint for avoiding a waste of time: Have in mind that you need to do all the PID tuning while sitting in your rig.
    • Like Like x 1
  17. mirkobastianini

    mirkobastianini Active Member

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    My Motion Simulator:
    2DOF
    What technique can I use to insert 10 AWG cables into JRK header? That connector are very very little...and my cable can't stay well inside it
  18. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    A 10 AWG will not fit well, in the short term you could add and connect slightly thinner wire or carefully trim the 10AWG. But ultimately the best option is to solder larger terminal blocks to the JRKs: https://www.xsimulator.net/communit...f-simulator-conversion.5580/page-5#post-92011
  19. mirkobastianini

    mirkobastianini Active Member

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    My Motion Simulator:
    2DOF
    If it's possible, I don't want to re-solder my JRK.
    It's a beautiful idea to add a connector just little before JRK connector (i'm so stupid, i' haven't thinked about this solution...)...but why you say "in the short term"? Can't be a good solution?

    My idea is to keep the 10 AWG cable and near JRK connector use this:
    0-34b44b33-375-Morsettiera-''MAMMUTH''-2-poli-per-cavi-elettrici.jpg

    and to insert thin cable that fit well to JRK headers...

    what do you think? Can be a good solution?
  20. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Yes a connector will work allowing the use of thinner wire, but new connector blocks are the best way if you want to use the 10awg.
    • Like Like x 1