DRIVING APPARATUS FOR HYBRID VEHICLE

PROBLEM TO BE SOLVED: To obtain a driving apparatus for a hybrid vehicle capable of effectively starting an engine, even when the charged amount of a battery is small. SOLUTION: When the charged amount of a battery is small, a generator motor is driven by utilizing power immediately after starting d...

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Hauptverfasser:	NAKABAYASHI SEIICHI, KUSUKI HIROYUKI, EZAKI SEIJI, SEO NOBUHIDE, TSUCHIYA MASAHIRO
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 obtain a driving apparatus for a hybrid vehicle capable of effectively starting an engine, even when the charged amount of a battery is small. SOLUTION: When the charged amount of a battery is small, a generator motor is driven by utilizing power immediately after starting discharging to effectively start an engine, and immediately after the combustion of the engine is started, control gain of a proportional term is set large. Thus, a required time from a start time of the engine to a target value Neb of a rotational speed Ne of the engine is shortened, until a supplied power from the battery becomes a value smaller than the predetermined value of the supplied power from the battery, and the speed Ne of the engine is intentionally made to overshoot exceeding the target value Neb. After the overshoot is caused, the speed Ne of the engine is settled to the value Neb, until a time t3 by utilizing a decrease in the speed by an inertia of the speed of the engine, and then a clutch is engaged at the time point.