Battery management system, battery system and hybrid vehicle control system

The objective of the invention is to appropriately represent the state of the internal resistance for a battery through which a current is flowing. The battery management system (100) comprises a battery information acquisition unit (103), a voltage calculation unit (104), a current variation amount...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	NAKAO RYOHHEI, SAKABE KEI, OHKAWA KEIICHIRO, KOMATSU DAIKI, YONEMOTO MASAHIRO
Format:	Patent
Sprache:	chi ; eng
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The objective of the invention is to appropriately represent the state of the internal resistance for a battery through which a current is flowing. The battery management system (100) comprises a battery information acquisition unit (103), a voltage calculation unit (104), a current variation amount calculation unit (109), and a resistance correction amount calculation unit (111). The battery information acquisition unit (103) acquires the voltage value (V) of the storage battery (101) through which a current is flowing. The voltage calculation unit (104) acquires a battery voltage predicted value (Vmodel) of the storage battery (101) through which a current is flowing, by a different method from that of the battery information acquisition unit (103). The current variation amount calculation unit 109 calculates the per-unit-time current variation amount (dI/dt) of the storage battery (101). On the basis of the current variation amount (dI/dt) and the result of a comparison between thevoltage value (V) and the