SYSTEM AND METHOD FOR REDUCING WEAR DURING BUILD-UP OF ENGINE TORQUE

SYSTEM AND METHOD FOR REDUCING WEAR DURING BUILD-UP OF ENGINE TORQUE

A method for wear-limiting torque build-up in a vehicle (100; 110) provided with an engine (230), a clutch configuration (235) and a gearbox (240). The method has steps of demanding (s410) a power train torque; guiding (s420) the torque build-up towards the power train torque demanded (Tqreq); respo...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: REDBRANDT, Karl, WÅGBERG, Mikael
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
BRAKES
CLUTCHES
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
THERMAL INSULATION IN GENERAL
TRANSPORTING
VEHICLES IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:A method for wear-limiting torque build-up in a vehicle (100; 110) provided with an engine (230), a clutch configuration (235) and a gearbox (240). The method has steps of demanding (s410) a power train torque; guiding (s420) the torque build-up towards the power train torque demanded (Tqreq); responding to continuing torque build-up at a certain engine speed (Es) by only providing a reduced power train torque (Tqlimit) which is less than a maximum available engine torque (Tqmax); continuously deciding (s450) whether the vehicle is moving or not; then either further increasing the power train torque (Tq) by increasing the engine's speed (Es) if the prevailing power train torque (Tq) is substantially the same as the reduced power train torque (Tqlimit) and the vehicle (100) is not moving, or automatically activating (s460) the clutch configuration (235) to non-slipping operation if the prevailing power train torque is substantially the same as the reduced power train torque and the vehicle is not moving.