How can I improve the sensitivity of my joystick used in Simulink?

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riya_sharma - 2021-08-19T13:02:37+00:00
Question: How can I improve the sensitivity of my joystick used in Simulink?

I am using a Joystick Input block from the Virtual Reality Toolbox in Simulink. I am using the joystick to navigate around my virtual world however the smallest step I can make with the joystick is too far. Can I somehow improve the sensitivity of my joystick?  

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    • Expert Answer

    Profile picture of Kshitij Singh Kshitij Singh answered . 2025-11-20

    You can use a Gain block to tune the joystick's sensitivity. There is an example of using a gain block in series with a joystick in the "vrcrane_joystick" demo.
     
    1. Open up this demo model by typing the following at the MATLAB command prompt:
     
    vrcrane_joystick

    2. Look in the subsystem "vrcrane_joystick/Setting the SetPoint using Joystick".

    a. The block "Sensitivity / Inverting Y" in this subsystem is a Gain block for adjusting the sensitivity of the joystick.

b. The block "Joystick 0 Tolerance" is a Dead Zone block.  This is necessary because joysticks usually have an uncertainty around zero and is especially important if the joystick position is integrated to get speed or position.


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