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Anyone with a wiper motor G seat that can share axis/filter for comparison

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Trigen, Jun 4, 2019.

  1. Trigen

    Trigen Member Gold Contributor

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    Been tweaking forever now but the sim will just spike out even at 20-25% smoothing.

    If you guys dont mind posting some screens of the SMC3 And the axis setup and filters for your id be must grateful.

    Thanks!
  2. MarkusB

    MarkusB Active Member Gold Contributor

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    Did you run the Game Engine's Tuning Center for the game you are currently using? I once forgot it, which also resulted in strange motor movements.
  3. Trigen

    Trigen Member Gold Contributor

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    Yep. Doing all my testing in asetto corsa (and checking in rfactor2 to make sure) making minor changes. It's somewhat random. It can happen in a crash or when I just drive 40kmh. Suppose the latter could be an error in the track though. Surge seems to be the worst offender. Its just odd with such high filters and even dz of 3. All usb Chords have ferrite magnets. It also happens on my bottom motors that only has heave on them, though not as often.
  4. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

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    Could you please post pictures of all of your settings, and if possible a video of the seat in action which also includes the game screen at the same time.
  5. Trigen

    Trigen Member Gold Contributor

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    I'll see what I can do.
    Last edited: Jun 5, 2019
  6. Trigen

    Trigen Member Gold Contributor

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    Made a video in AC driving around nordschleife

    In this video at around 1:33 you can see the back just stops working. in reality this is at the end of the lap but the video is cut down. There's hardly anything going on.

    On my previous lap the right motor started to oscillate fast aprox 5 mins in when just taking a slack turn. The video got corrupted so i dont have it. The settings were the same.



    Axis are more than 100% combine but they have a boundary. Setting under 100% combined makes no difference. Bottom motors have much less but same thing happens but not as often.

    Previous:
    Bottom motors: Project cars 2 in the pitlane riding out. Trying to hold a motor position but suddenly stops working. One flap can stop working for no reason on slow or fast driving but they are more stable than the back.

    I have not used KD at all before but the symptoms are the same as with any setting ive tried.

    PS this was supposed to be a settings comparisons post not troubleshoot so see this post for other settings and reference. https://www.xsimulator.net/communit...ion-stops-working-mid-game.13338/#post-178385


    2.jpg

    1.jpg 3.jpg
    Last edited: Jun 5, 2019
  7. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

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    Looks as though a board or PSU is tripping out.
  8. Trigen

    Trigen Member Gold Contributor

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    Would that also cause rapid oscillation's ?

    Update.
    Ive been playing around with the KD on 200 and KS at 6 and it can usually keep going for 10-15 minutes now @sebring in RF2 with the AI driving. . It has however been sitting at idle with the sway axis about 80% up and the noise on the hall sensor (due to the KD, noise gets worse with higher numbers) caused it to start oscillate hard. Its much more common for the axis to start to oscilate, sometimes slow, sometimes very rapid. I suppose that could be a PSU issue.

    Im using 2 Meanwell 40 amp 400w psu's. 2 motors each trough 2 sabertooths 2x32 with aprox 10-13 amp peak load on each. These are set to send voltage over 13v to the resistor packs. Honestly though i do not trust the electricity where i live to be pure so i cant say for sure that its not that.
    Last edited: Jun 5, 2019
  9. Trigen

    Trigen Member Gold Contributor

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    Another update.

    Using the curve generator tool and looking at the graph on sabertooth im not sure if the PSU is actually capable of providing the continues power that is needed. The reason for this is that the motors slows down and speeds back up again on a 200ms sine. I dont see any spikes on the graphs when it does fail but i dont think it can be anything else at this point due to the somewhat random nature.
  10. SeatTime

    SeatTime Well-Known Member

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    Fi. As posted before in a similar thread, I have basically the same setup driver wise. Your Feedback/PWM is very noisy. Here is mine - all powered up:

    Sabertooth with 0 Deadzone.jpg
    Last edited: Jun 5, 2019
  11. Trigen

    Trigen Member Gold Contributor

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    Thanks that was probably my other thread. Like mentioned this wasn't supposed to be troubleshoot so excuse the double.

    It's something I'm looking at. I've added some ferrite magnets and still waiting on shielded wire. Potentiometer signal is 80% noise when off free but the honeywell hall sensors has the same amount of noise when everything is powered down and on usb power so it dont appear to be affected by any outside source that i can see. I tested the signal with using the 5v from the sabertooth before and it has the same noise. Also when not close to a magnet. Im also getting the same noise when i connect it to my laptop. Could it be a grounding issue? It's leaving me rather puzzled.
  12. Trigen

    Trigen Member Gold Contributor

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    @SeatTime what sensors are you using if you don't mind me asking?
  13. SeatTime

    SeatTime Well-Known Member

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    Don't know, but a PWM signal that active when your system is supposedly at rest cannot be a good thing.
  14. SeatTime

    SeatTime Well-Known Member

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    Hall Effects from Element 14.
  15. Trigen

    Trigen Member Gold Contributor

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    I just seperated the sensors and see one (not checked the other but I will tomorrow) has a large amount of drift up and down of the target line so I'm guessing it's gone bad or was and interferes with the good one. Since they are on the same power. I got some other sensors lying around too but they don't have much single magnet rotational ability. Good enough for the r a test either way
  16. SeatTime

    SeatTime Well-Known Member

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    Just my outlook on things..If you like to keep your hair and sanity - keep the rubbish in the bin :).
  17. Trigen

    Trigen Member Gold Contributor

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    Hah yeah... Might got this one sorted but I still can't get this this stable with the pots on though. Just stuck the HS back on today. But it must be possible so I won't give up
  18. Trigen

    Trigen Member Gold Contributor

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  19. SeatTime

    SeatTime Well-Known Member

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    I don't know what you need for your setup, mine are all installed, but I used something like this https://au.element14.com/bi-technol...v-20v-to-10v-180deg/dp/2319661?st=Hall Effect . If you go to the Element 14 (or other site maybe more convenient) site and search for 'Hall Effect' it will show you what they have available. For the price, no need to build your own (unless you cannot find something suitable), which it looks like you have done.
  20. MarkusB

    MarkusB Active Member Gold Contributor

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    I never used wiper motors and I don't know what exactly happens when you don't ground-isolate them. So I don't know if this is the issue in your case. Anyway, you can find dozens of posts in this forum stating that wiper motors need to be ground-isolated. So maybe this would be worth trying if you did not already do it.

    Edit: Well, without ground isolation it's probably more the risk of a short circuit than something causing the issue you currently have. So the cause of your problem is probably something else.
    Last edited: Jun 7, 2019