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Showroom 3070W 6DOF Seat Mover (WIP Surge_Sway table)

Discussion in 'DIY Motion Simulator Projects' started by Pit, Mar 5, 2014.

  1. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    My Motion Simulator:
    DC motor, Arduino, 6DOF
    UPDATE 04/2020

    - Only VR
    - Totally redesigned but same platform
    - More news and videos to come soon

    IMG_20200406_143900.jpg
    IMG_20200406_143637.jpg IMG_20200406_143653.jpg IMG_20200406_143704.jpg IMG_20200406_143713.jpg IMG_20200406_143720.jpg IMG_20200406_143730.jpg IMG_20200406_143744.jpg IMG_20200406_143805.jpg IMG_20200406_143812.jpg IMG_20200406_143830.jpg IMG_20200406_143911.jpg IMG_20200406_143919.jpg IMG_20200406_143942.jpg IMG_20200406_144003.jpg IMG_20200406_144012.jpg

    OLD CONTENT

    Hi all :)
    The idea to rebuild a CXC Simulator was at the end of 2013. After XX months including studying the matter, collecting information and hardware and at least the hardest part (the building) the rig has been finished!
    The rig is a 2DOF seat mover plus additional DOF's:
    • a DOF for heave
    • a DOF for the traction loss
    • a DOF for surge (tabl11)
    • a DOF for sway




    ----------------------------------------------------
    The rig:
    1.jpg
    The mechanical motion design (w/o traction loss)
    Neues Dokument 5_1.jpg
    Videos:
    Nordschleife 02/15/2016


    Winches Sound Check:

    The hardware (not updated since months, many changes here):
    3 x winches (each max. 750W or 120A peak, continuous current 40A ) = 230$ (ebay)
    745857450_2_Big.jpg
    1x 12V DC Geared Motor 300W, Motor with 60:1 ratio Gearbox for Traction Loss = £65,00 (ebay)
    $_57.JPG
    3X Arduino UNO 3 = 28$ (Aliexpress)
    index.jpg
    7x Sparkfun Moto Monster = 91$ (Aliexpress)
    sparkfun.jpg
    3x P270-DS22 B-10 KR Lin 10 kΩ 2 W ± 10 % = 60$
    453308_BB_00_FB.EPS_1000.jpg
    2x IBM Blade Center DPS-2000BB A 2000W 39Y7359 39Y7360 = 2 x 40$ (ebay)
    20150331_172858.jpg
    2x HP DL 360 G5 (HP ATSN-7000956-Y000) server PSU - 700W = 20$ (ebay)
    HP ATSN-7000956-Y000.jpg
    3 x Qumi Q7 for the visuals (there are cheaper models...) = expensive
    qumiq7.jpg
    ----------------------------------------------------
    - 3 x screens, MDF plates with a special zero gain screen = DIY
    - Thrustmaster T500RS
    - PC: I7 2.6@3.8GHz, GTX 670 SLI, 6GB PC2000 RAM, Win7, 3 Soundcards = expensive...
    - 1 x Butt Kicker (seat) = 140$
    buttkicker.jpg
    - 4 x Bass Shakers, Amplifier 400W = 150$
    - Extra 1000W PSU for amplifier (1000W not needed, was already available)
    Some more extras:
    Button Box P1 from Derek Speare $99.-
    Racing seat Sparco Circuit VTR (second hand) $200.-
    OMP racing wheel Corsica 350mm diameter (suede) $120.-
    Chinese 7" tablet as a 2nd dashboard using DashmeterPro $60.-
    SLIMax Manager from Eksimracing using my Samsung Note 2 $10.-
    Sequential HQ Shifter by FrexGP $160.-
    F1 Wheel AddOn for the T500RS $140.-
    TM1638 module $5.-

    ----------------------------------------------------
    Power consummation on 220V line:
    • No driving, all gadgets on: power ~950W, power factor 0.88 - 0.97, current 4.2A
    • Driving a GT3 car on Nordschleife (Assetto Corsa): power ~1200 W (~1450 W peak.), power factor 0.88 - 0.95, current ~5.00 -6.00 A (9.4 A peak).
    These results are measured without the separate heave motor under the seat. Due to the very high load of this motor (it is working rather near at the maximum) I expect up to 2000W and probably more.
    ----------------------------------------------------
    20150512_111408.jpg 20150512_111443.jpg 20150512_111450.jpg 20150512_111509.jpg 20150512_111553.jpg 20150512_111710.jpg 20150512_111721.jpg 20150512_111732.jpg 20150512_111747.jpg 20150512_111800.jpg 20150512_111814.jpg
    -------
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    Attached Files:

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    Last edited: Apr 16, 2020
  2. value1

    value1 Nerd SimAxe Beta Tester SimTools Developer Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, JRK, Joyrider
    Welcome Pit here in this forum – good choice ;)
    • Like Like x 1
  3. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, JRK, SimforceGT, 6DOF
    Nice Static sim , good luck with the Ard.
    • Like Like x 2
  4. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    My Motion Simulator:
    DC motor, Arduino, 6DOF
    Thx a lot @Historiker in an other thread for helping wiring issues.

    I use now the Arduino UNO/Duemilanove 2dof firmware by Prilad.

    Needed
    wiring:

    Arduino------------Motomonster

    Motor 1
    pin 8 --------------D7 Dir1
    " 12--------------D8 Dri2
    " 9---------------D5 Pwm

    Motor 2
    Pin 11---------------D4 Dir1
    " 13--------------D9 Dir2
    " 10--------------D6 Pwm

    GND and +5V has to be connected as well.

    First impressions using xSimCTRL:



    interface settings.jpg
    • Like Like x 2
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  5. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    My Motion Simulator:
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    after 6 hours experiments "try and error" I give up (at the moment). I will wait for the right potis.
    Last edited: Mar 7, 2014
  6. Historiker

    Historiker Dramamine Adict Gold Contributor

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    My Motion Simulator:
    3DOF, DC motor, Arduino, Motion platform, 6DOF
    Hi Pit,

    Did you correct the wiring on the pots? You will not get the proper value into the Arduino until you do. The way you had it set up, it appears to the Arduino as if the pot is fully turned in one direction regardless of the actual position. It is not seeing the sweeper voltage. There is no difference between the 10k 10turn pots and the ones that you have on order other than the number of turns. Both, if wired incorrectly, will give false readings.
    • Like Like x 1
  7. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    Hi Historiker

    Finally I tried out all wiring combinations of the potis but w/o success. Probably this Arduino clone does not work correctly.
  8. prilad

    prilad Well-Known Member SimAxe Beta Tester SimTools Developer

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    Hi, @Pit
    You can check analog inputs by connecting it to GND and then to 5.0V (or to 3.3V) with any resistor (1 .. 100 kOhm). And check input values by xSimCtrl...

    And one more thing - try to change SenLo = 10 and SensHi = 245 (and write new values to EEPROM). And check inputs again.
    • Informative Informative x 1
  9. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    My Motion Simulator:
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    Hi Prilad thanks for helping checking using a multimeter would be an option?
  10. prilad

    prilad Well-Known Member SimAxe Beta Tester SimTools Developer

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    I think you should check by software - with xSimCtrl. You should see "input" value on blue slider...
    xSimCtrl slide.jpg
    • Informative Informative x 1
  11. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
    AC motor, Motion platform
    Three projectors - impressive, look forward in seeing the rig moving.
    • Like Like x 1
  12. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
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    Recommend you put up a simple wiring diagram of how you have wired your pots. Also some pot wipers are not always the centre pin (check with meter). Lots of knowledgeable people on this site who should be able to help.
  13. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    My Motion Simulator:
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    my test was not quite in accordance with your inputs, so once again...

    I connected the GND to PIN A0, the resistor (47 k) in +V5 and connected that with A0. The slider shows nothing. The "L" LED is off.
    slider.jpg
  14. Historiker

    Historiker Dramamine Adict Gold Contributor

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    Hi Pit,

    Here are a couple of pictures via the Bourn spec sheet. Notice that the wiper pin, the one that the Arduino reads as an analog input, is Pin 2 according to the wiring diagram. Also note that Pin 2 is the rearmost physical pin on the pot itself according to the layout diagram also from the spec sheet. Like Seattime mentions, it is often confusing as the older and more common style of potentiometer always has the wiper in the middle.

    It doesn't matter which pin (1 or 3) positive or ground goes to, it will just change the direction that the pot is turned to increase or decrease the signal. You can use this to change the direction of the motor if the pot does not match the motor or do like I do and change the wiring on the motor instead. CCW means "Counter Clock Wise" and CW means "Clock Wise".

    Wiper (pin 2) must be the pin that goes to the Arduino analog read pin.

    I hope this helps.

    10k 10 turn pinout key.png 10k 10 turn pinout.png
  15. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    Hi Historiker

    Thank you, in the meantime I studied the PINs as well and your thoughts are confirming my suspicion. So IMHO the very first wiring was the right one.

    For now I will wait Prilad's response if the Arduino clone is possibly damaged or not.
  16. Historiker

    Historiker Dramamine Adict Gold Contributor

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    Hi Pit,

    Which was the first configuration? I am making my suggestions based on the way you had it wired in the pictures you posted in Prilad's thread.

    Here are the pictures that you posted, the red wires that you have plugged into the Arduino +5v pin are going to the wipers which is incorrect. Your yellow wire should go to the wiper on one pot and your orange wire should go to the wiper on the other pot. The blue (ground wires) are fine but the +5v wires should go to the center pin on the pots.


    I do not mean to confuse anything for you, I really am trying to help.
    I am using these pots, Arduino and driver shield myself.


    Edit: By the way, a good way to test your arduino is to run the Blink with potentiometer sketch that is included with the Arduino IDE program.

    20140307_120814.jpg 20140307_120740.jpg
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  17. prilad

    prilad Well-Known Member SimAxe Beta Tester SimTools Developer

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    I don't know. Can you check analog input with any other "firmware"? I mean any Sketch for arduino for Analog reading test?
  18. Historiker

    Historiker Dramamine Adict Gold Contributor

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  19. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    My Motion Simulator:
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    "Your yellow wire should go to the wiper on one pot"

    Oh my god, that's it. I was wrong. Totally confused by the wirings :)
    • Like Like x 2
  20. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    is this now right?
    20140308_144053.jpg