CONTROL DEVICE AND CONTROL METHOD OF HYBRID VEHICLE

PROBLEM TO BE SOLVED: To provide a control device and a control method of a hybrid vehicle, which can suppress fuel consumption in a case when the hybrid vehicle is traveled by power of at least one of an electric motor and an internal combustion engine, and can improve fuel efficiency.SOLUTION: A c...

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Bibliographische Detailangaben
Hauptverfasser:	KAWADA KOHEI, YOKOO KENTARO, YAMADA TETSUYA
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a control device and a control method of a hybrid vehicle, which can suppress fuel consumption in a case when the hybrid vehicle is traveled by power of at least one of an electric motor and an internal combustion engine, and can improve fuel efficiency.SOLUTION: A control device of a hybrid vehicle for controlling motion of an internal combustion engine and an electric motor comprises an ECU. The ECU calculates an engine fuel consumption amount FC_eng and an EV fuel consumption amount FC_ev when each of an engine travel mode and an EV travel mode is executed while executing the EV travel mode according to requested torque TRQ and vehicle speed VP (step 41), and selects the engine travel mode when the engine fuel consumption amount FC_eng is smaller than the EV fuel consumption amount FC_ev, and selects and executes the EV travel mode when the EV fuel consumption amount FC_ev is smaller than the engine fuel consumption amount FC_eng (steps 42 and 43).