HYBRID VEHICLE

In motor double-drive mode, a first rotation speed (Np1) and a second rotation speed (Np2) as a drive shaft rotation speed are calculated from rotation speeds (Nm1, Nm2) of motors (MG1, MG2) on the assumption that an engine rotation speed is zero (S110). A state where a difference (Npl - Np2) betwee...

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Bibliographische Detailangaben
Hauptverfasser:	HOKOI, Koji, HORI, Takaharu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 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:	In motor double-drive mode, a first rotation speed (Np1) and a second rotation speed (Np2) as a drive shaft rotation speed are calculated from rotation speeds (Nm1, Nm2) of motors (MG1, MG2) on the assumption that an engine rotation speed is zero (S110). A state where a difference (Npl - Np2) between the first rotation speed and the second rotation speed is larger than a threshold (Npref) continues, and, when a malfunction counter (CW) becomes larger than a threshold (CWref), it is determined that there is a malfunction in a one-way clutch (CL1) or pinion gears (S140 to S180). At a start of the engine, it is determined that there is a malfunction in the one-way clutch (CL1) when the engine rotation speed (Ne) is normally increasing (S240), and it is determined that there is a malfunction in the pinion gears when the engine rotation speed (Ne) is not normally increasing (S260).