APPARATUS AND METHOD FOR CONTROLLING MODE CHANGE OF HYBRID ELECTRIC VEHICLE

The present invention relates to a mode switching control device and a method for a hybrid vehicle, which switch modes at an optimum mode switching reference point when a drivers required power is stably maintained at a predetermined level or higher. The mode switching control method for a hybrid ve...

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Bibliographische Detailangaben
Hauptverfasser:	CHO, IN EOK, AN, JUNG UN, HA, DONG SU, HAN, HOON, PARK, JOON YOUNG
Format:	Patent
Sprache:	eng ; kor
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 INSTRUMENTATION OR DASHBOARDS 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:	The present invention relates to a mode switching control device and a method for a hybrid vehicle, which switch modes at an optimum mode switching reference point when a drivers required power is stably maintained at a predetermined level or higher. The mode switching control method for a hybrid vehicle according to the embodiment of the present invention comprises: a step of calculating required power of the driver; a step of determining whether the calculated required power is maintained for a first set time period with a first set value or higher; a step of controlling the mode switching hysteresis line to increase when the required power is maintained for a first set time equal to or greater than a first set value; and a step of controlling the mode switching according to the increased mode switching hysteresis line. 본 발명은 운전자의 요구 파워가 일정 수준 이상에서 안정적으로 유지되는 경우 최적 모드 전환 기준점에서 모드를 전환하는 하이브리드 차량의 모드 전환 제어 장치 및 방법에 관한 것이다. 본 발명의 실시예에 따른 하이브리드 차량의 모드 전환 제어 방법은 운전자의 요구 파워를 연산하는 단계; 상기 연산된 요구 파워가 제1 설정값 이상인 상태로 제1 설정 시간 동안 유지되는지를 판단하는 단계; 상기 요구 파워가 제1 설정값 이상으로 제1 설정 시간 동안 유지되면, 모드 전환 히스테리시스 라인을 상향 제어하는 단계; 그리고 상기 상향된 모드 전환 히스테리시스 라인에 따라 모드 전환을 제어하는 단계;를 포함할 수 있다.