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Showroom 2DOF Wiper Motor Simulator - Budget Sim

Discussion in 'DIY Motion Simulator Projects' started by Kam, Dec 8, 2020.

  1. Kam

    Kam New Member

    Joined:
    Nov 29, 2020
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    My Motion Simulator:
    2DOF, DC motor
    Hello!

    Recently I started to design very simple 2 DOF simulator mainly for flight sims. My setup:

    Motors: Wiper motors 24V from truck - ground isolated
    80042 80043

    H- Bridges: IBT-2 JZK BTS7960B 43A High
    photo_2020-11-23_09-56-17.jpg

    Pots: 534-1-1 103 10K precision multi-turn potentiometer 10K
    Controller: Arduino UNO R3
    24V cheap PSU
    Very comfortable Audi A4 seat :)
    photo_2020-11-20_13-22-57.jpg

    I have already started to weld a frame, very simple design based on universal joint also from Audi A4.
    photo_2020-11-23_22-51-29.jpg photo_2020-11-26_16-37-32.jpg photo_2020-11-27_17-01-15.jpg photo_2020-11-28_15-49-00.jpg photo_2020-11-28_15-33-27.jpg photo_2020-11-26_17-42-06.jpg

    First problem I have encounter was multi-turn potentiometer, in order to achieve good position tolerance within 0-170 degrees i had to make a wiring adjustment, shown on below simple scheme. I didnt want to make any mechanical speed reductors (gears etc):
    Przechwytywanie.PNG
    In theory I will be able to have voltage change during 1st turn from 0 to 2.5V. Of course resolution will be reduced significantly but i hope it will be enough. To be tested soon. Was wondering if it would be better to just purchase 1 turn pot, but anyway I want to test this.

    Last but not least my test bench:
    photo_2020-12-05_15-45-36.jpg photo_2020-12-05_16-16-10.jpg

    I'm currently at testing stage, however a few things still to be done:
    -welds grinding
    -paint job
    -leveling stands
    -electronic compartment
    -final tuning

    Cheers!

    Attached Files:

    • Like Like x 1
  2. Ads Master

    Ads Master

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