[Ether]

Originally Posted by Ether

Let "J" be your joystick value, in the range -1 to +1.

Let "d" be your desired +/- deadband.

Let "out" be your modified joystick command (incorporating the deadband).


Then:

if (J>d) out = (J-d)/(1-d);

else if (J>-d) out = 0;

else out = (J+d)/(1-d);

"d" is the deadband tuning parameter in the range 0 <= d < 1

Attached is a graph of what the above code produces for d=0.2: