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Discussion in 'DIY Motion Simulator Projects' started by Ekain Lopez, Jul 11, 2019 at 17:47.

  1. Ekain Lopez

    Ekain Lopez New Member

    May 17, 2019
    Basque Country, Spain
    - 4Coins
    +1 / 0 / -0
    My Motion Simulator:
    Hi! I'm starting my own project of a 2 DOF motion sim with the mobile part of the structure made of extruded aluminum.

    I have quite clear how I will make the structure: I have ordered the aluminum and all the screws and nuts that I will need. I already have the cardan (universal joint), and I almost chose the seat. I have not yet thought about how the base will be, but I think I will make it of wood.

    In terms of hardware, I own a couple of 12v wiper motors and an Arduino board. I'm looking a monster moto shield, but I have no idea what kind of PSU I need. Another question I have are the potentiometers that have to be put in the motors. The last question I have related to the hardware are the gearboxes. Which gearboxes do I need?

    As for the software I have not investigated much but I have found some code for the Arduino. If I have doubts about this, I'll ask you.

    I will publish photos of the evolution of the project but for now I have nothing :(:grin

  2. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

    Jul 13, 2014
    Innovative tech specialist for NGOs
    St Helens, Tasmania, Australia
    +8,274 / 40 / -2
    My Motion Simulator:
    3DOF, DC motor, JRK
    What motors and gearboxes you need depends on the design, so use SimCalc to get you head around the design Vs physics involved: https://www.xsimulator.net/communit...e-linear-speed-and-forces-of-your-design.270/

    You can use 10k pots, but personally I use and recommend Hall Sensors, as they have great resolution, longevity and won't break if over rotated: https://www.xsimulator.net/community/faq/how-to-choose-potentiometer.238/

    These are the Hall Sensors I use: https://au.element14.com/bi-technol...fs/sensor-hall-0-2v-20v-to-10v-pin/dp/2319662

    With either posts or Hall Sensors use a correctly sizes flexible coupling to mount them to the motor: https://www.ebay.com/sch/i.html?_fr...1313&_nkw=flexible+aluminum+coupling&_sacat=0

    You can modify server PSUs as a cheap PSU, though they can be a bit sensitive to power spikes: https://www.xsimulator.net/communit...ver-power-supplies-as-cheap-powerful-psus.54/

    Or if you have the room use cheap LED strip PSUs, you will find plenty of options via Ebay: https://www.ebay.com/itm/AC-110V-22...hash=item236be66178:m:mnohYz4NZlT_Dq5l5lWNUMg

    There are lots of Arduino code choices: https://www.xsimulator.net/community/faq/arduino-code-for-use-with-various-hardware-and-simtools.31/

    But I would recommend you start with the SMC3 code, as it has a handy app to make configuration easier: http://www.xsimulator.net/community...3dof-motor-driver-and-windows-utilities.4957/
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