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IKEA 1.5 DOF Ultra comfort

Discussion in 'DIY Motion Simulator Projects' started by pOmmi, Jul 1, 2014.

Page 1 of 3
  1. pOmmi

    pOmmi New Member

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    My Motion Simulator:
    2DOF, DC motor, JRK
    IKEA 1.5 DOF Ultra comfort​

    First of all, this is my first real contribution here, and I want to thanks all this community that stimulated me for months now. And as a result here is my project.

    The main idea of this project was to take advantage of a specific part of a seat I already bought one year ago (when I started simracing)... a seat that is very comfortable.
    Very comfortable due to a 1 DOF relaxing movement given by the flexibility of the wood, and also because this seat is very large.
    Meaning no need to add a kneecap on a basic seat. kneecap (3DOF) is already here but strongly reduced as a 1 DOF system.
    I say 1.5 DOF because pitch is the DOF with a real amplitude, but roll is also available with a very little freedom.

    You want to race endurances like Virtual World Endurance Championship with no backache ? Take a look at this seat :

    [​IMG]

    A little video :


    Progression :
    Because of an old power supply I cannot test the system whith simtool (Not a real DC supply power), but I did some test befor wiper motors were fixed and everything seemed good.
    I'm going to bye a 12V 30A power supply...

    Items :
    The main element of this dynamic seat is the IKEA POANG seat which is flexible and has got a 1 DOF relaxing movement.


    [​IMG]

    IKEA POÄNG
    79,00$ <- 30 € on Ebay
    http://www.ikea.com/ca/en/catalog/products/S79825193/



    [​IMG]
    Local Store
    2.5€/unit (less than 360°)
    Better choice :

    [​IMG]
    2x Potentiometer PPC27 10k
    27€/unit
    http://www.megatron.fr/composants/pdf/pdfpot/sf_ppc27_0903_f01.pdf



    [​IMG]
    SWF VALEO NIDEC ITT 404.458 gear motor 24V DC
    35€/unit
    http://www.smolka-berlin.de/onlineshop/en/artikel/SWF_VALEO_NIDEC_ITT_404.458_motor%E9ducteur_24V_DC_Typ%3A_SW2L__Offre_sp%E9ciale%21%21%21_/4398



    [​IMG]
    Arduino MEGA 2560
    13.96€
    http://www.dx.com/p/mega-2560-r3-atmega2560-16au-board-usb-cable-for-arduino-black-blue-215579#.U4R6Avl_seg



    [​IMG]
    Pololu Dual VNH5019
    74.40$ / 54.56€
    http://www.pololu.com/product/2507



    [​IMG]
    2 x Mechanical part (10 x 10 approximately)
    2 € / unit
    example :
    http://www.articles-quincaillerie.fr/fixations-charpente-80/equerre-d-assemblage-renforcee-multi-trous-70-x-70-x-55-mm-gah-alberts-139120.html



    Some pictures of the building part :

    fixed wiper motors
    [​IMG]

    wooden plank (110 x 68 cm) under the seat :
    [​IMG]


    [​IMG]

    [​IMG]

    Don’t know the name for this mechanical part for the fixation of wiper motors :
    [​IMG]


    My dad, adapting holes, M5 to M6 or M7 for wiper motor fixation :
    [​IMG]
    • Creative Creative x 6
    • Like Like x 4
    • Winner Winner x 2
    pOmmi, Jul 1, 2014
    #1
  2. pOmmi

    pOmmi New Member

    Joined:
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    +29 / 2 / -0
    My Motion Simulator:
    2DOF, DC motor, JRK
    • Like Like x 1
    pOmmi, Jul 1, 2014
    #2
  3. value1

    value1 Nerd SimAxe Beta Tester SimTools Developer Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, JRK, Joyrider
    How creative! I really like your concept! So easy and effective! :thumbs
    • Agree Agree x 1
    value1, Jul 1, 2014
    #3
  4. bsft

    bsft

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    interesting
    bsft, Jul 1, 2014
    #4
  5. yobuddy

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

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    Yes - I hope it works well!
    I really like the idea!
    yobuddy
    yobuddy, Jul 1, 2014
    #5
  6. RufusDufus

    RufusDufus Well-Known Member

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    Great idea, very original. :thumbs I used to have one of those chairs but not any more. :(
    Can't wait to see a video playing a game!
    RufusDufus, Jul 2, 2014
    #6
  7. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    Marseille - FRANCE
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    My Motion Simulator:
    2DOF, DC motor, Arduino
    Nice result!
    yes, the PSU is a good one, easy to shunt!

    I would really like to see a video with a bit of roll effect!
    RacingMat, Jul 2, 2014
    #7
  8. AceOfSpies

    AceOfSpies Living the Dream!

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    Kilwinning, Scotland
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    19,614Coins
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    My Motion Simulator:
    3DOF, DC motor, JRK, Motion platform
    No doubt IKEA would sell it as a Grafankt or Crizzlichtum or something like that. :grin
    • Funny Funny x 3
    • Like Like x 1
    AceOfSpies, Jul 2, 2014
    #8
  9. vulbas

    vulbas Active Member

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    My Motion Simulator:
    AC motor, 6DOF
    interesting as the realization :popcorn
    vulbas, Jul 2, 2014
    #9
  10. ferslash

    ferslash Active Member

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    i dont know if your sim will be the gratest ever... but will be the more confortable ever :D
    ferslash, Jul 3, 2014
    #10
  11. FurloSim

    FurloSim New Member

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    My Motion Simulator:
    2DOF
    this is the most cheapest sim that I've ever seen :D !!! wow good job man
    FurloSim, Jul 3, 2014
    #11
  12. pOmmi

    pOmmi New Member

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    My Motion Simulator:
    2DOF, DC motor, JRK
    On the technical documentation of the wiper motors they say that there is a 1 impulsion hall effect sensor.

    What does that exacly mean ? Each time the motor make a complete cycle the motor send an impulsion in Volts ?

    Is there a solution to get this impulsion with my arduino Mega2560 board ?
    I think we can remoove potentiometers with this hall effect sensor.

    I imagine the impulsion as a HOME position. then you know how to rotate with the speed of your motors.
    Meaning you manage your motor in TIME of movement and not with potar position.

    For example at the start of the system I move to HOME. Then I say : ok for 90° motors takes 2.3 secondes to move. so for 45° its 2.3/2 secondes... a simple linear scale...

    Bad idea ?
    • Dislike Dislike x 1
    pOmmi, Jul 4, 2014
    #12
  13. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    1/ The hall effect sensor will not give you an absolut position...
    For many reasons, by managing time, the track will be lost and your motors will be desynchronized and at a wrong position.

    2/ Check were is the Hall sensor (motor or gear) and try to figure out the resolution!
    RacingMat, Jul 4, 2014
    #13
  14. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, JRK, SimforceGT, 6DOF
    hall effect switch in them is to sense the return spot as in wiper needs to go back the other way or its not on the windscreen anymore, lol
    • Like Like x 1
    • Agree Agree x 1
    eaorobbie, Jul 4, 2014
    #14
  15. pOmmi

    pOmmi New Member

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    My Motion Simulator:
    2DOF, DC motor, JRK
    So for you hall effect switch (1 impulsion) is the Home position for the wipers.
    How do they manage to not go too far on the windscreen ?
    pOmmi, Jul 4, 2014
    #15
  16. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    they cannot go too far: it's an infinit cycle ;)
    • Like Like x 1
    RacingMat, Jul 4, 2014
    #16
  17. pOmmi

    pOmmi New Member

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    My Motion Simulator:
    2DOF, DC motor, JRK
    Aaaaah ok !
    I thought there was 1 motor by wiper :)

    I think I'm going to give a try with this "time management movement" of the motors. I do want to remove pots !
    pOmmi, Jul 4, 2014
    #17
  18. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, JRK, SimforceGT, 6DOF
    Depends on the model @RacingMat.
    Working in the Body Building industry for nearly 20 years I have come across hundreds of variations. Some us a hall effect switch to sense the wiper is at its extreme placement and it then needs to reverse, or use to set the spread , ie the limits so they can be programmed for different size windscreens , found on expensive busses. But the simple cheap units , I agree use a continuous circle.
    • Informative Informative x 1
    eaorobbie, Jul 5, 2014
    #18
  19. insanegr

    insanegr !N$@n€

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    having two motors working together is a bit difficult to have them moving in the same sequence, so the one motor solution will never "lose" sequence
    insanegr, Jul 5, 2014
    #19
  20. vulbas

    vulbas Active Member

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    My Motion Simulator:
    AC motor, 6DOF
    news of this project ?
    vulbas, Oct 1, 2014
    #20
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