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POLOLU JRK POTENTIoMETER- configuration help me

Discussion in 'Marketspace - Marktplatz' started by christianr3, Jul 11, 2012.

  1. christianr3

    christianr3 Member

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    hola amigos , me gustaria pedir ayuda con relacion a la configuracion de la tarjeta pololu 12v-12, la verdad estoy demasiado confundido. el amigo bsft ha tratado de ayudarme con su experiencia pero tengo dudas con los potenciometros :dntknw: , no logro hacer que el motor se detenga con la señal del potenciometro, o tal vez esto no debe suceder, alguien tiene un video o un tutorial o un dibujo de como hacer para que funcione??? no puedo pretender poder llegar a entender el software de x-sim sin primero poder entender el software de pololu jrk :no: ....la verdad necesito ayuda porfavor :sos: :5+5:



    traduccion:

    hello friends , I would like to ask for help with relationship to the configuration of the card pololu 12v-12, the truth I'm too confused. BSFT friend tried to help me with his experience but I have doubts with potentiometers :dntknw: , I can not make the engine stop signal with potentiometer, or perhaps this should not happen, someone has a video or a tutorial or a picture of how to make it work??? I can not pretend to come to understand the x-sim software without first software to understand the truth pololu jrk :no: .... need help please :sos: :5+5:
  2. bsft

    bsft

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    Hello, did you wire the pot like the photo? I know if you wire it wrong it can cause headaches in jrk control.
    Also, what USO commands did you use?
    The standard is
    ~221~~64~
    ~221~~a01~ (use a02 for other axis)
    ~255~
    Check all that, but the pot wire up as well.

    Attached Files:

  3. christianr3

    christianr3 Member

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    hi friend :hi: , check the picture and I have just connected to the drawing, but I have doubts as the procedure for setting the potentiometers :?
  4. bsft

    bsft

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  5. christianr3

    christianr3 Member

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    hi david :hi: , thanks for the video :thbup: , I have a question , after you place the lever on the engine at high level you said accept in the configuration window, then the settings you asked you to put the lever to the lowest level, and of course did you take him to accept and finally the button setting aplly to device, I wonder what happened in the end, turn the engine and stopped only??, motor rotation lever 360 degrees or 180 degrees only? in video which I saw was the result of this operation, what happens to the engine :? ?
  6. bsft

    bsft

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    OK, the motor happened to be at the top in the first place, so I clicked yes for feedback settings, then it told me to move the motor to the lower position, I did, then I click yes and then I applied settings to the device, being the JRK. The motor once running only spins about 150 deg I think, not 360. I use less than 1/2 a TURN on the motor.
    When I used the slider in utility to move the motor, it moves up and down as far as the feedback is set.
    Does that help?
  7. christianr3

    christianr3 Member

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    ooooh I see , today I'll do what you did in your video :yes: , to continue to advance the settings, thanks friend! :clap:
  8. christianr3

    christianr3 Member

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  9. bsft

    bsft

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    Well done buddy! You got it!
    See how you go making a profile now.
    Also set PID at 4/4 0/3 4/4
    and In jrk utility, under the motor tab, change max duty cycle, max
    acceleration, max duty cycle while feedback is out of range. I think the number I set is 600, try reducing it to 350, test for motion, if it feels
    a bit soft, but errors have gone, increase the number by 20, so 350 to
    370. Work with this till you get good motion but stop errors.
    Cheers, David.
  10. christianr3

    christianr3 Member

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    :hi: david you have a video where you explain the next step? ie as a force profile is set? and the test of force sender? :badpc:
  11. bsft

    bsft

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    I am going to make some videos this week, starting Tuesday. Once the kids are back at school, I am left in peace and quiet....