METHOD OF CONTROLLING POWER TRANSMISSION SYSTEM FOR HYBRID VEHICLE

PROBLEM TO BE SOLVED: To provide a control method for attaining normal operating property as much as possible, even if any one of first or second clutches connected to first and second intermediate shafts and a plurality of transmission clutches becomes unreleasable, by transmitting the power of an...

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Bibliographische Detailangaben
Hauptverfasser:	IHARA SADAYUKI, SATO IWAO, INABA TADASHI, KAKINUMA HIROHIKO, NAKAMURA HIDEKI, ONO TAKAHIRO, IBAMOTO MASAHIKO
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 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 ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING 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 THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a control method for attaining normal operating property as much as possible, even if any one of first or second clutches connected to first and second intermediate shafts and a plurality of transmission clutches becomes unreleasable, by transmitting the power of an engine via the other clutch. SOLUTION: When the first clutch 16 becomes unreleasable, a generator motor 29 is energized as a generator in a vehicle stop state in which the second clutch 17 is in a neutral position, and the fourth clutch 24 is shifted to a second shift gear stage 20. According to this, an engine torque is transmitted from a differential device 25 to a second intermediate shaft 15 to develop a driving force in an output shaft 18 through the second shift gear stage 20 to allow start (second stage start-up). Thus, an alternate control method for the case in which one of the plurality of clutches becomes unreleasable is prepared, whereby a highly reliable drive system without stop can be obtained. COPYRIGHT: (C)2010,JPO&INPIT