HYBRID VEHICLE AND ITS CONTROL METHOD

PROBLEM TO BE SOLVED: To enhance a deceleration feeling in the case of traveling in an accelerator off. SOLUTION: The vehicle is configured so that a driving shaft is connected to the output shaft of an engine through a planetary gear mechanism, and two motors are connected to the other rotary eleme...

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Bibliographische Detailangaben
1. Verfasser:	KAMIOKA KIYOSHIRO
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 BLASTING COMBUSTION ENGINES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONTROLLING COMBUSTION ENGINES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To enhance a deceleration feeling in the case of traveling in an accelerator off. SOLUTION: The vehicle is configured so that a driving shaft is connected to the output shaft of an engine through a planetary gear mechanism, and two motors are connected to the other rotary elements of the planetary gear mechanism. In the case of traveling by turning off an accelerator, a temporary request braking torque Trtump to the driving shaft and a temporary target rotational frequency Netmp of the engine are set based on a shift position SP and a speed V, and correction coefficients α1 and α2 are set based on road surface slope θ and the speed V, and the temporary request braking torque Trtmp and the temporary target rotational frequency Netmp of the engine are multiplied by the set correction coefficients α1 and α2 so that a request braking torque Tr* and a target rotational frequency Ne* of the engine can be set (S110 to S160). Then, the fuel of the engine is cut, and the engine is rotated by the target rotational frequency Ne* and the request braking torque Tr* is output to the driving shaft. Thus, it is possible to make satisfactory a deceleration feeling regardless of the road surface slope θ. COPYRIGHT: (C)2007,JPO&INPIT