ELECTRIC VEHICLE, METHOD FOR ESTIMATING STATE OF CHARGE, AND COMPUTER READABLE RECORDING MEDIUM RECORDING PROGRAM FOR EXECUTING STATE OF CHARGE ESTIMATION METHOD ON COMPUTER

When charging each electric power storage device from a power supply external to a vehicle is requested (YES in S10), then before each electric power storage device is charged the electric power storage devices charge/discharge therebetween (S20). A battery ECU calculates a voltage-current character...

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Bibliographische Detailangaben
1. Verfasser:	OKI, RYOJI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PERFORMING OPERATIONS PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	When charging each electric power storage device from a power supply external to a vehicle is requested (YES in S10), then before each electric power storage device is charged the electric power storage devices charge/discharge therebetween (S20). A battery ECU calculates a voltage-current characteristic of each electric power storage device, as based on each electric power storage device's voltage and current collected when the electric power storage devices charge/discharge therebetween (S30). Each electric power storage device's OCV is calculated as based on the calculated voltage-current characteristic (S40), and each electric power storage device's SOC is estimated from the calculated OCV (S50).