A shift control device is configured to control switching between shift stages in a multi-stage automatic transmission such that a gear ratio selected at a predetermined vehicle speed and selected in a regenerative traveling mode that is a boundary region with respect to an EV traveling mode becomes greater than a gear ratio selected at the predetermined vehicle speed and selected in an HV traveling mode that is a boundary region with respect to the EV traveling mode, and is configured to control the switching between the shift stages such that a gear ratio of a shift stage selected when the traveling mode is switched from the regenerative traveling mode to the EV traveling mode is greater than a gear ratio of a shift stage selected when the traveling mode is switched from the HV traveling mode to the EV traveling mode under the same vehicle speed and parameter.
Shift control device and shift control method for hybrid vehicle
2019-12-24
Patent
Elektronische Ressource
Englisch
IPC: | 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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16H Getriebe , GEARING |
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