| General
description |
Automatic Stability Control is a meaningful,
additional assistance function particularly on a high-torque motorcycle
and when riding under varying conditions with slippery surfaces.
Indeed, ASC is the logical counterpart to ABS. Automatic Stability
Control prevents the rear wheel from spinning uncontrolled when accelerating
all-out and thus avoids any loss of side forces and stability which
otherwise would make the rear wheel swerve out of control.
Lift-off detection and intervention serves furthermore to prevent
the front wheel from moving up when accelerating under full power.
Acting together, these two functions enhance riding stability and
thus help to ensure a higher standard of safety on the road.
And last but not least, the rider is able to deactivate ASC at any
time, also while riding.
Like ABS, ASC is naturally also subject to certain restrictions in
bends due to the riding physics of a motorcycle.
And it is essential to note that ASC is not able to push forward,
let alone override, the physical limits to the stability of a motorcycle
when leaning over in a bend.
In its basic principles, the system and its various functions are
quite straightforward: The ABS wheel sensors determine the speed
at which the wheels are turning. Registering any sudden change in
the difference in speed front-to-rear, the electronic control unit
is able to detect any risk spinning, management responding immediately
by intervening in the ignition angle to take back engine power.
Should this not be sufficient, that is should a greater reduction
of engine power be required, fuel injection will be cancelled out
for a certain time.
This kind of control and management is fast and sensitive, with any
effects on riding comfort and dynamics being virtually negligible.
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