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Actuator brush+ ibt2 diy 4dof psu fire

Discussion in 'DIY Motion Simulator Projects' started by Stefzouille, Jan 13, 2024.

  1. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    At least you know the point of failure, and Ibt2 quality is at times an issue, but also double check all wiring to it.
    • Like Like x 1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    You may also want to run a regulator and lower voltage in future.
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  3. Stefzouille

    Stefzouille Member

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    2DOF, DC motor, 4DOF
    pwmmax at 80 is very low? yes, I'm going to recheck everything but as said it worked 10 minutes before I did a four minute session to see if it held up and I had no problem. anyway the motor was still powered, even when I came out of the game like a grunt and I can't find what it is even when replacing the potentiometer the cable. It still has a kind of mini movement even though all the software was off, no, there is something wrong with that, unfortunately, my knowledge is not extensive enough

    yes on the power supply I lowered from 27v to mini 22v

    edit:yes on the power supply I lowered from 27v to mini 22v
  4. Stefzouille

    Stefzouille Member

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    yes I lowered from 27 to 17v with the small potentiometer on the psu

    rhooooo my imitation of the engine that growls is original pig...lol :grin

    https://www.youtube.com/shorts/6q4u62Xa3yE
  5. Stefzouille

    Stefzouille Member

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    ah yes OK, so it is the voltage that is the problem so friends on your PSU especially check that you are not above 22v or even less? because 27v is the end of IBT2!! Description

    This H-bridge is ideal when you need to drive a motor that requires a lot of current. This card is made up of 2 BTS7960 H half-bridges which can support a current of up to 43A at a voltage between 5.5V and 27V.
  6. Stefzouille

    Stefzouille Member

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    small update, the power supply does not go below 22v, but it seems to be ok with the ibt2!!
    it mooving !!!

    hug:

    • Winner Winner x 1
  7. Stefzouille

    Stefzouille Member

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    Hi,
    This is my wiring,
    @noorbeast In your opinion, should I place the 40 amp resettable fuse between the iBT card and the motor. or rather between psu and IBT on the positive or the gnd?

    this for one motor for one psu!

    [​IMG]

    rectifier diode bridge kbpc5010 1000 volts 50 amps
    And schottky diode which 30sq050 volts 30 amps.
  8. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    I fused my rig on the positive side of the PSU.
    • Like Like x 1
  9. Stefzouille

    Stefzouille Member

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    Ho ok !! big thx :)
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  10. harrie

    harrie Member

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    did read this topic , i,m also using ibt . did test with simtools and smc3 the axis , did almost 40 min 1 axis do motion and ibt getting up to 26 graden c , with about 5 kilo weight onto it . how hot can a ibt go ? i got from power psu to ibt fused , both gnd and 24 v . 20 amp fuse , 10 amp fuse did burnt after heavy manual motion doing . and fused from ibt to motor 15 amp . both gnd and 24v .......
    so question .... how hot can a ibt go ?
  11. harrie

    harrie Member

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    btw . the motion video ,, nice to see .... i was also verry happy i did get my 4 dof to work .. thx to this forum info ....hug:
    • Like Like x 2
  12. Stefzouille

    Stefzouille Member

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    I don t kow, i test in a few day i think..
  13. Stefzouille

    Stefzouille Member

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    You can never be too careful. a mistake happens so quickly it's better to be prepared.


    [​IMG]
    • Like Like x 1
  14. Stefzouille

    Stefzouille Member

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    Last edited: Jan 31, 2024
  15. Stefzouille

    Stefzouille Member

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    • Like Like x 1
  16. Stefzouille

    Stefzouille Member

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  17. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Can you please post a picture of your SMC3 settings running the Sine test.
  18. Stefzouille

    Stefzouille Member

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  19. Stefzouille

    Stefzouille Member

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    2DOF, DC motor, 4DOF
  20. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
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    +10,716 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    • Like Like x 1