To provide a transmission control device for a hybrid vehicle that, when there is a gear shift request, ensures gear shift responsiveness corresponding to a driver's request while achieving excellent gear shifting quality when shifting gears under normal conditions. A multistage gear transmission (1) that establishes a plurality of gear shift patterns is mounted in a drive system from a first motor/generator (MG1) and an internal combustion engine (ICE) as power sources to drive wheels (19), and the multistage gear transmission (1) has engagement clutches (C1, C2, C3) that are meshingly engaged as shifting elements. In this hybrid vehicle, a transmission control unit (23) is provided, which carries out a shift control for switching between gear shift patterns that are established by the multistage gear transmission (1), by a movement of the engagement clutches based on a gear shift request. The transmission control unit (23) selects, from among a plurality of gear shift patterns that can be established by the multistage gear transmission (1), gear shift patterns in which one engagement clutch is present in a power transmission path leading from the power sources to the drive wheels (19), and designates the selected plurality of gear shift patterns as a normal-use gear shift pattern group, which is used for shift control under normal conditions.
GEAR-SHIFT CONTROL DEVICE FOR HYBRID VEHICLE
GETRIEBESCHALTSTEUERUNGSVORRICHTUNG FÜR EIN HYBRIDFAHRZEUG
DISPOSITIF DE COMMANDE DE CHANGEMENT DE VITESSE POUR VÉHICULE HYBRIDE
2021-01-13
Patent
Electronic Resource
English
IPC: | F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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