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School project

Discussion in 'DIY Motion Simulator Projects' started by E402BFG, Feb 2, 2023.

  1. E402BFG

    E402BFG New Member

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    Ciao a tutti! We are four students of the Italian school "I.S.I.S A. Malignani" who are participating to an external competition which consists in creating a useful project for society, made at least with 50% of recycled stuff.
    With this project we want to make aware our fellow students, of the dangers that exists in a work place, with the maneuvering of work vehicles suc as trucks, forklift ecc.
    We want to build a frame which is connected to the game "EuroTruck simulator 2" and move as it would in reality.
    We have started searching for information online, done a structure's cardboard model and find out how to move the frame (up to now we have only started doing a scale prototype), using Arduino UNO with SMC3 utilities program (https://www.xsimulator.net/communit...3dof-motor-driver-and-windows-utilities.4957/ we followed this thread), 3d printed pulleys and an elastic band used as a strap. Here there are some pictures: the cardboard model and the prototype. IMG-20230130-WA0008.jpg IMG-20230202-WA0002.jpg
    E402BFG, Feb 2, 2023
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    An interesting premise.

    I am not sure I understand this design, it seems to be 1DOF that is structurally configured somewhat like traction loss would be, but I am guessing is perhaps conceived more as a traditional yaw axis, but with the pivot moved from the center of rotation, is that it, or am I missing something here, perhaps additional 2DOF axis at the front where the blue rectangles are?:
    [​IMG]
    noorbeast, Feb 2, 2023
    #2
  3. E402BFG

    E402BFG New Member

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    Yes, up to now it's a 1DOF with traditional yaw axis. The blue rectangles, for the moment, haven't any possibile structural function, they're just drawed on the carboard like a sketch.
    E402BFG, Feb 2, 2023
    #3
  4. E402BFG

    E402BFG New Member

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    We've also made some models of the theoretical prototype's future shape using a 3D CAD software, Autodesk Inventor.
    Here's some pictures:
    2023-02-03 (3).png 2023-02-03 (4).png
    2023-02-03 (9).png
    The green component is the pivot; then we have the motor, Arduino UNO's case (simplified as a blue box), the potentiometer (and it's support), which is the yellow one, and the motion platform's rotant support (magenta in colour), with its orange wheel. On the pivot, the motor and the potentiometer, there are some pulleys, wich are going to be connected with each other thanks to a transmission belt (not rapresented in the picture). The rotant base is leaned on the pivot's pulley that, since is collegated with the motor's one, makes it spin, and on a rotant support, that has principally structural functions. All the component (except from the rotant base and its rotant support) are mounted, with some screws, on the base.
    We've also made a model of the actual state of the prototype : 2023-02-03 (5).png 2023-02-03 (7).png

    We can see how we have only the motor, the schede and the potentiometer (with their pulleys), wich are mounted on the base, like the real prototype's picture (that can be found in the first post of this thread).

    Attached Files:

    • Creative Creative x 1
    E402BFG, Feb 3, 2023
    #4
  5. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    An unusual idea, that perhaps is a bit overly complicated than it needs to be, for example a direct motor mount Hall sensor, either purchased or DIY, would save a good deal of space and unnecessary parts, eliminating the whole yellow section and associated belt. The old racer adage: parts left out cost nothing and cause no service issues.
    • Like Like x 1
    noorbeast, Feb 3, 2023
    #5
  6. E402BFG

    E402BFG New Member

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    Understood, thanks for the great advice!
    • Like Like x 1
    E402BFG, Feb 4, 2023
    #6
  7. federico busato

    federico busato New Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    Thanks. We will make sure to explore your suggestions. We have already order the chip to make it. In case of a sensor based on the Hall's effest we would need to stay within a single turn of our axis?
    federico busato, Feb 13, 2023
    #7