Method and arrangement for controlling actual torque in a driveline of a
land-based motor vehicle. Taking a direct, non-predictive measure of
actual torque induced in the driveline of the motor vehicle and
ascertaining a magnitude thereof. Ascertaining a magnitude of a torque
demand being requested to be instituted in the driveline. Comparing the
ascertained magnitude of the direct, non-predictive measure of actual
torque taken is compared with a driveline-configuration dependent maximum
torque threshold; in this way, an over-threshold torque condition is
ascertained in the driveline based thereupon if such a condition exists.
In multi-geared transmissions, the variability can be accounted for
through the engagement of different ratio gears. In the event that such
an over-threshold torque condition is detected, at least one of several
possible over-threshold torque compensating effects will be applied to
reduce or diminish the excessive portion of the torque. The remedial
measure may be chosen from several possibilities including reconfiguring
the variable ratio transmission and/or reducing powerplant-induced
driveline torque.