MT
The Turning @ Full Speed and Turning Accel @ Full Speed parameters change the
values of their own source parameters linearly dependent on the momentary UCM
Speed Demand value, (see 5.3.1.1), not on the joystick deflection.
Turning Speed
@ Maximum
Speed Demand
50%
100%
50%
Turning Speed @ Maximum: 25%
Turning @ Full Speed: 70%
Turning
Acceleration
100%
100%
50%
Speed Demand
End value
25% x 0.7 = 17.5%
Turning Acceleration: 40%
Turning Accel @ Full Speed: 200%
End value
40% x 2 = 80%
If Turning @ Full Speed has a low value, increase the value of Turning Accel @ Full
Speed to minimise steering delays.
A possible starting point to prevent powerchairs from snaking:
79
Parameter Name Value
Turning @ Full Speed 70%
Turning Accel @ full Speed 200%
Warning:
These settings are to be used as a guideline only. It is the responsibility
of the powerchair manufacturer to make sure that the program is safe
and suitable for a particular chair configuration.