CLOSED-LOOP FEEDBACK CONTROL AND REDUCTION OF THE TORQUE CONVERTER CLUTCH SLIP FOR ENHANCED DRIVABILITY FOR HEAVY TIP-IN MANEUVERS

A method for responding to a rapid change in engine torque includes monitoring a change in engine torque and determining a rapid change in engine torque when the change in engine torque exceeds a threshold change in engine torque. Subsequent to determining a rapid change in engine torque, an increas...

Full description

Saved in:
Bibliographic Details
Main Authors HEARLD SCOTT A, CHEN XU, TAO XUEFENG TIM, OTANEZ PAUL G, LEE CHUNHAO J, SAMIE FARZAD, WICKMAN DANIEL J
Format Patent
LanguageEnglish
Published 07.07.2011
Subjects
CALCULATING
COMPUTING
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PERFORMING OPERATIONS
PHYSICS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
TRANSPORTING
VEHICLES IN GENERAL
Online AccessGet full text

Cover

More Information
Summary:A method for responding to a rapid change in engine torque includes monitoring a change in engine torque and determining a rapid change in engine torque when the change in engine torque exceeds a threshold change in engine torque. Subsequent to determining a rapid change in engine torque, an increase in the torque converter slip is provided by reducing the torque converter clutch pressure command by a selected value and thereafter the feedback control is deactivated for a predetermined duration. Subsequent to the predetermined duration, the feedback control is reactivated to decrease the torque converter slip toward a desired torque converter slip value.
Bibliography:Application Number: US20100651525