Problems with usb device

[cusi02]

Hi, I'm using Linux Ubuntu 22.04 as a virtual machine. I am a university student and for my thesis, I have to use a haptic robot, called GeoMagic Touch, connected via USB cable. To share this device to the virtual machine, I checked the box corresponding to the robot in the "usb devices" menu. To interface with the robot, I use a software, called SOFA, developed by SOFA Framework (​https://www.sofa-framework.org/), thanks to which I create a virtual simulation scene in which I use the robot. The robot works, but to be used in the scene, I have to reload the scene many times (even 10 times). I tried using an old model of this robot, connected with a LAN cable and I noticed that, unlike the model with a USB cable, this one connects immediately and I don't have to reload the scene several times. Why does this happen? I asked the support of the robot manufacturer and they told me that it is most likely a problem with the virtual machine. Could it be a problem with how the machine handles USB devices? I remember you that the robot connected with the LAN cable works perfectly. Best regards. Andrea.