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Question Idle Motor feedback

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by Nicki9knuckles, Oct 3, 2022.

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  1. Nicki9knuckles

    Nicki9knuckles Active Member

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    My Motion Simulator:
    3DOF, DC motor, Motion platform
    Hey all,
    I have set up my motors with my pots and I am trying to configre them in SMC3. Everything is working, I am able to drive my motor arms when I simulate motions. But I am getting a buzzing from my motors when they are idle, and the feedback line in SMC3 shows there is activity going on in the motor because the line is very jagged. I have attached a screen shot where I have turn down all the settings and I still get this jagged line.
    Anyone have any suggestions about how I can straigten this line out and quiet down my motors?

    Thanks!!

    Attached Files:

    Nicki9knuckles, Oct 3, 2022
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    noorbeast, Oct 3, 2022
    #2
  3. Nicki9knuckles

    Nicki9knuckles Active Member

    Joined:
    Sep 1, 2022
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    161
    Occupation:
    Web Developer
    Location:
    Dartmouth, Nova Scotia, Canada
    Balance:
    518Coins
    Ratings:
    +73 / 0 / -0
    My Motion Simulator:
    3DOF, DC motor, Motion platform
    @noorbeast thanks for your reply. I actually followed those instructions originally. I just set everything back to zero for my screenshot to show the line more clearly. It didn’t seem to matter how I adjusted the other properties in SMC3, my green line for my motors remained jagged like that and the motors continued to idle with a noise.
    Im not sure what to adjust to try and flatten that line.
    Thanks!
    Nick
    Nicki9knuckles, Oct 4, 2022
    #3
  4. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

    Joined:
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    Innovative tech specialist for NGOs
    Location:
    St Helens, Tasmania, Australia
    Balance:
    145,124Coins
    Ratings:
    +10,779 / 52 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    You can set a small dead zone in SMC3 if necessary.

    The rest of the settings should have the motors smoothly and closely following Out Mode tests when properly adjusted.

    Check all cables are well shielded and clip on Ferrite magnets may help if there is interference.
    • Useful Useful x 1
    noorbeast, Oct 4, 2022
    #4