A method for controlling a motor vehicle provided with a powertrain and with an automatic transmission, comprising the following steps: • when it is determined that a drop in performance of the powertrain takes place, the following steps are carried out: • determining the maximum acceleration of the vehicle as a function of the speed of the vehicle, of the maximum static force available at the wheel for each state of the driveline and of the equivalent masses of each state of the driveline of the vehicle, • determining the degraded maximum acceleration of the vehicle as a function of the maximum acceleration of the vehicle, of the speed of the vehicle and of the global typing of the function responsible for the choice of the driveline state, • determining an updated acceleration constraint as a function of the degraded maximum acceleration of the vehicle and of the existing acceleration constraint in a nominal case, and • controlling the automatic transmission as a function of the updated acceleration constraint.
PROCÉDÉ DE COMMANDE D'UNE TRANSMISSION AUTOMATIQUE EN CAS DE BAISSE DE PERFORMANCE DU GROUPE MOTOPROPULSEUR
METHOD FOR CONTROLLING AN AUTOMATIC TRANSMISSION IN THE EVENT OF A DROP IN PERFORMANCE OF THE POWERTRAIN
VERFAHREN ZUR STEUERUNG EINES AUTOMATISCHEN GETRIEBES IM FALLE EINES LEISTUNGSABFALLS DES ANTRIEBSSTRANGS
2024-05-01
Patent
Elektronische Ressource
Französisch
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