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Optimising SMC3 Settings

Discussion in 'New users start here - FAQ' started by burcin, Jan 7, 2025.

  1. burcin

    burcin New Member

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    My Motion Simulator:
    Arduino
    Very new bei question.

    I have only Motor1 connected, and as per SMC3 tutorial I ended up like below.

    Motor spins normal to me but what is the ideal movement of the motor I do not know.

    What should I try to catch with all these settings?

    Should I move to Simtools now or there are things to do with SMC3 settings?

    Thanks in advance.

    upload_2025-1-7_17-7-58.png

    Attached Files:

    burcin, Jan 7, 2025
    #1
  2. Attyla.pl

    Attyla.pl Active Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    You are using an old version of arduino code try version 1.0
    • Like Like x 1
    Attyla.pl, Jan 7, 2025
    #2
  3. burcin

    burcin New Member

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    I did some search but can not find the v1.0 download link so far.
    :(
    burcin, Jan 8, 2025
    #3
  4. burcin

    burcin New Member

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    burcin, Jan 8, 2025
    #4
  5. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    Have you followed the SMC3 setup steps and if so which one failed: https://www.xsimulator.net/communit...3dof-motor-driver-and-windows-utilities.4957/

    Follow the steps below if this is the first time you are using SMC3 with your simulator to reduce the risk of damaging anything.

    1. Disconnect the motor power supply
    2. Make sure Simtools is not running – we’re not ready for that yet!
    3. Wire up the Arduino (with SMC3 installed) to your H-Bridges and connect to your computer via USB
    4. Run the Windows SMC3 Utility software and make sure it communicates with the Arduino (There is no need to set baud rates, they are not configurable)
    5. Set the Kp, Ki, Kd, PWMmin, PWMmax, PWMrev to 0 for ALL motors (This will make sure the motors don’t move)
    6. Set Clip to 255 (you need to do this first) and Limit to 255 (This will give you plenty of margin if something goes wrong while setting up)
    7. Turn on the power to your motors – nothing should move at this stage!
    8. Set Kp to about 400
    9. Now slowly, increase PWMmax… at some point the motor should start to move. When it does check the “Green” feedback line is moving toward the “Blue” target position.
      • If it is then that motor and feedback is wired correctly - proceed to test other motors.
      • If it is moving away turn off motor power immediately (or quickly reduce PWMmax again). In this case you need to either reverse the wires to the motor being tested –OR– reverse the +5V and GND wires to your feedback pot for the motor being tested (do not do both). Restart the test from the beginning.
    10. Do the above for each motor
    noorbeast, Feb 3, 2025
    #5