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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.

Page 19 of 29
  1. bsft

    bsft

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    Looks good man, well done
    • Like Like x 1
    bsft, Sep 30, 2015
    #361
  2. zigzag49

    zigzag49 Active Member

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    Excellent, the mammoth task, with black walls and black ceiling give her more immersion.

    :thumbs
    • Agree Agree x 1
    zigzag49, Sep 30, 2015
    #362
  3. Pit

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

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    Ceiling is on the to do list.
    • Like Like x 3
    Pit, Sep 30, 2015
    #363
  4. Pit

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

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    Hi all, video follows soon, but that is not the reason I'm posting here. After this week testing I determine a curious issue, both VNH5019's which are working independent to each other are stopping after one lap on Nords at the same time. Both drivers are connected to one PSU (two 12 PSUs but powering 24V, same current), eventually the PSU have some problems or the VNH5019's are too weak, in this case I could buy two additional VNH's (dual single bridge) (expensive) or I am going the sabertooths route (very expensive), or I let it like it is...

    BTW fooling the brain works same here using the surge and sway acceleration. Even the acceleration is neither very fast nor as fast as we expect in a car, it tricks the brainb ecause we see the acceleration and we feel it - although we have to adapt it and it needs settling in a little bit. I was shutting down the tables and tried the old combo - woah how annoying! Even if it is not real (which is never to be reached driving simulators), it is very very immersive.

    Two things are now different - I am using the clutch very cautiously (the car is jumping forward like the hell if you are not familiar using the clutch) and I am really afraid when crashing - you never know, the rig can be damaged as well ;)...so my lap times are pretty slower (yet) than before w/o surge and sway tables. But I feel so much better :p
    • Like Like x 2
    Last edited: Oct 3, 2015
    Pit, Oct 3, 2015
    #364
  5. Blame73

    Blame73 Well-Known Member

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    Do they both stop at the same time in the same place? Always?? Hmmm... is there a bump, a curb, something like that?

    I can imagine how you feel when you're about to crash... I fear it with my little seat mover, I would p*** in my pants with your beast!!
    • Funny Funny x 1
    Blame73, Oct 3, 2015
    #365
  6. Pit

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

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    often at the same time but on different places. So I wonder why, because the drivers are working completely independent, sometimes one force does nothing while the other is doing some action.
    Pit, Oct 3, 2015
    #366
  7. Blame73

    Blame73 Well-Known Member

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    Overheating?
    Blame73, Oct 3, 2015
    #367
  8. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    This may be a long shot but perhaps the VNH5019's crashing are linked to some AC bug that triggers them, such as the ghost car bug.

    I reported that if the ghost car is enabled AC crashes out of the game and back to the menu at Nords after 1 lap, turn the Ghost car off and it is fine: http://www.assettocorsa.net/forum/i...car-issues-after-1-2.25355/page-2#post-527854
    • Informative Informative x 2
    Last edited: Oct 4, 2015
    noorbeast, Oct 4, 2015
    #368
  9. Blame73

    Blame73 Well-Known Member

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    Let's hope it will be fixed in 1.3
    My problem with ghost at Nords is I don't have any ghosts...
    • Funny Funny x 1
    Blame73, Oct 4, 2015
    #369
  10. Tifred07

    Tifred07 Member

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    just amazing !!!:popcorn
    • Like Like x 1
    Tifred07, Oct 4, 2015
    #370
  11. Pit

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

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    After one day tinkering I can confirm that the vnh5019s have problems to handle high current peaks. Driving on Nord is a very bumpy thing and when the car jumps over a bump the wheels loose the contact to the ground, the effect (surge) is so "aggressive" that the drivers stop working. Same while touching a curb like in a real car the car will be pushed very hardly to the other side which results on the same behavior. Now I have to decide to buy two additional vnhs (dual single bridge) or to go the sabertooth route.
    • Informative Informative x 2
    Pit, Oct 5, 2015
    #371
  12. SilentChill

    SilentChill Problem Maker

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    Just get some MM's that work @Pit I have had no issues with mine once I got 12 that actually worked lol
    • Like Like x 1
    • Funny Funny x 1
    SilentChill, Oct 5, 2015
    #372
  13. SeatTime

    SeatTime Well-Known Member

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    @Pit Do the VNH5019 stop completely, or just for a second?
    SeatTime, Oct 5, 2015
    #373
  14. Pit

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

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    Mate thank you for this but I need 24V drivers ;)
    • Informative Informative x 1
    Pit, Oct 5, 2015
    #374
  15. Pit

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

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    @SeatTime they stop completely I have to start the SMC3 tool to wake them up. Interestingly they stop mostly at the same time... o_O
    Pit, Oct 5, 2015
    #375
  16. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    With SMC3, can you lower the PWM of only one side?
    RacingMat, Oct 5, 2015
    #376
  17. Pit

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

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    hmm, I can - you mean if one driver stops the second should work even only using very low power. If the second driver stops, too then something is wronger than wrong - but not with the VNHs IMO.
    • Agree Agree x 1
    Pit, Oct 5, 2015
    #377
  18. insanegr

    insanegr !N$@n€

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    @Pit have you tried to push reset button on the arduino to see if it wakes up your VNH5019.
    in a other track like spa do you have shutdowns too?
    i know you were not asking but i vote vnhs (dual single bridge) .
    you have done a great job with your sim
    insanegr, Oct 5, 2015
    #378
  19. Pit

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

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    Thank you mate, I will try it out.
    Pit, Oct 5, 2015
    #379
  20. Pit

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

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    Ordered 1x Sabertooth 2x32A. I can use the VNHs for some experiments later.
    Pit, Oct 5, 2015
    #380
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