Method for determining charge condition of automotive battery in e.g. electric vehicle, involves comparing determined charge stroke with corresponding charge stroke of pre-stored open circuit voltage-characteristic line

The method involves detecting a part of an open circuit voltage (OCV)-characteristic line of a battery in an actual state. An aging-independent point of the characteristic line is determined by forming a differential function between the line and a pre-stored OCV-characteristic line. An operating po...

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description The method involves detecting a part of an open circuit voltage (OCV)-characteristic line of a battery in an actual state. An aging-independent point of the characteristic line is determined by forming a differential function between the line and a pre-stored OCV-characteristic line. An operating point is selected in an environment of the aging-independent point. A charge stroke is determined between the operating point and the aging-independent point. The determined charge stroke is compared with a corresponding charge stroke of the pre-stored OCV-characteristic line. An independent claim is also included for a battery device i.e. battery, for an electric vehicle or a hybrid vehicle, including a control device. Ein Verfahren dient zur Bestimmung des Ladezustands einer Batterie, insbesondere einer automotiven Batterie mit den folgenden Schritten: Das Erfassen zumindest eines Teils einer OCV-Kennlinie einer Batterie in einem aktuellen Zustand; das Ermitteln zumindest eines alterungsunabhängigen Punktes der OCV-Kennlinie; das Wählen eines Arbeitspunktes in der Umgebung des alterungsunabhängigen Punktes; das Ermitteln eines Ladungshubs zwischen dem Arbeitspunkt und dem alterungsunabhängigen Punkt; das Vergleichen des ermittelten Ladungshubs mit dem entsprechenden Ladungshub einer vorab gespeicherten OCV-Kennlinie.
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Ein Verfahren dient zur Bestimmung des Ladezustands einer Batterie, insbesondere einer automotiven Batterie mit den folgenden Schritten: Das Erfassen zumindest eines Teils einer OCV-Kennlinie einer Batterie in einem aktuellen Zustand; das Ermitteln zumindest eines alterungsunabhängigen Punktes der OCV-Kennlinie; das Wählen eines Arbeitspunktes in der Umgebung des alterungsunabhängigen Punktes; das Ermitteln eines Ladungshubs zwischen dem Arbeitspunkt und dem alterungsunabhängigen Punkt; das Vergleichen des ermittelten Ladungshubs mit dem entsprechenden Ladungshub einer vorab gespeicherten OCV-Kennlinie.</description><language>eng ; ger</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRICITY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20120510&amp;DB=EPODOC&amp;CC=DE&amp;NR=102010051009A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20120510&amp;DB=EPODOC&amp;CC=DE&amp;NR=102010051009A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIPPING, JAN. 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A charge stroke is determined between the operating point and the aging-independent point. The determined charge stroke is compared with a corresponding charge stroke of the pre-stored OCV-characteristic line. An independent claim is also included for a battery device i.e. battery, for an electric vehicle or a hybrid vehicle, including a control device. Ein Verfahren dient zur Bestimmung des Ladezustands einer Batterie, insbesondere einer automotiven Batterie mit den folgenden Schritten: Das Erfassen zumindest eines Teils einer OCV-Kennlinie einer Batterie in einem aktuellen Zustand; das Ermitteln zumindest eines alterungsunabhängigen Punktes der OCV-Kennlinie; das Wählen eines Arbeitspunktes in der Umgebung des alterungsunabhängigen Punktes; das Ermitteln eines Ladungshubs zwischen dem Arbeitspunkt und dem alterungsunabhängigen Punkt; das Vergleichen des ermittelten Ladungshubs mit dem entsprechenden Ladungshub einer vorab gespeicherten OCV-Kennlinie.</abstract><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Method for determining charge condition of automotive battery in e.g. electric vehicle, involves comparing determined charge stroke with corresponding charge stroke of pre-stored open circuit voltage-characteristic line
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