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Question SimTools problem

Discussion in 'New users start here - FAQ' started by Mechatronik, Jul 2, 2022.

  1. Mechatronik

    Mechatronik Member

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    My Motion Simulator:
    3DOF, DC motor, Arduino
    Hi, how to center motors in SimTools?
    Here is my config:
    config.PNG

    Then I turn on output testing my motors rotates from center a bit. Now I'm using only pitch for testing. Changing 127 to 0 in startup do nothing.
    Here is how feedback in SMC3 looks after this strange movement(I turned off power to take screenshot):

    smc3.PNG
    How to fix this?
    Mechatronik, Jul 2, 2022
    #1
  2. wimpo`

    wimpo` Member

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    not entirely sure, but the output is 10bit so half is 512. 127 is half of 8 bit.
    • Informative Informative x 1
    wimpo`, Jul 3, 2022
    #2
  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Centering the motors should be done in SMC3, not SimTools.

    With power OFF to the motors and with the motors in their centered rest position loosen the pot and rotate it by hand until its feedback line is centered in the SMC3 graph, then re-tighen the pot.
    • Like Like x 1
    noorbeast, Jul 3, 2022
    #3
  4. Mechatronik

    Mechatronik Member

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    My Motion Simulator:
    3DOF, DC motor, Arduino
    I did it in SMC3, it looks like in SMC3 it works just fine, but in SimTools every axis rotates about 20 degrees.
    Mechatronik, Jul 3, 2022
    #4
  5. Mechatronik

    Mechatronik Member

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    My Motion Simulator:
    3DOF, DC motor, Arduino
    I will check it, I saw that people use 127 on startup configuration, but maybe it's not working with my rig.
    Mechatronik, Jul 3, 2022
    #5
  6. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    I am not sure what you mean by that?

    If SMC3 is properly centered, there are no Startup Output in SimTools, the motors should start centered. If not can you please explain further what the settings are, with pictures, and the observed output.
    • Like Like x 1
    noorbeast, Jul 3, 2022
    #6
  7. Mechatronik

    Mechatronik Member

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    My Motion Simulator:
    3DOF, DC motor, Arduino
    SMC3 every motor feedback:

    motor1.PNG

    motor2.PNG

    motor3.PNG

    And motors look like this:

    291309860_418553153620563_4777850806787433978_n.jpg

    290885596_564476745390941_1320930355278213900_n.jpg

    SimTools settings:

    SimTools- Axis Assignments.PNG

    SimTools- Interface.PNG

    SimTools-Axis limiting.PNG

    SimTools- Output testing.PNG

    In Output Testing Pitch is set to 0%, but every motors moves and look like this:

    291329115_340845974896051_8638323315878984254_n.jpg

    291008819_372913551605549_5887586863711270615_n.jpg

    And I'm confused, it should look like in SMC3 I think.
    Mechatronik, Jul 3, 2022
    #7
  8. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    In SMC3 both motors should be centered in their default rest position, this picture seems to indicate that one motor is in its proper centered rest position, the other is not, is that correct:

    [​IMG]
    noorbeast, Jul 3, 2022
    #8
  9. Mechatronik

    Mechatronik Member

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    My Motion Simulator:
    3DOF, DC motor, Arduino
    Well, both are not in their proper centered rest position. This is after turning on output testing in SimTools.
    In SMC3 rest position is fine and look like this:

    290885596_564476745390941_1320930355278213900_n.jpg
    Mechatronik, Jul 3, 2022
    #9
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    • Winner Winner x 1
    noorbeast, Jul 4, 2022
    #10
  11. Mechatronik

    Mechatronik Member

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    My Motion Simulator:
    3DOF, DC motor, Arduino
    Mechatronik, Jul 4, 2022
    #11
  12. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    +10,872 / 54 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    Please let us know how the language change goes, as that is a known bug, which hopefully has been squashed in SimTools v3, which is currently in testing.
    • Like Like x 1
    noorbeast, Jul 4, 2022
    #12
  13. Mechatronik

    Mechatronik Member

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    My Motion Simulator:
    3DOF, DC motor, Arduino
    Yeah, that was it. I changed unicode language from polish to english and now it's centered.
    Thanks a lot :)
    • Winner Winner x 1
    Mechatronik, Jul 7, 2022
    #13