SOC estimation method considering influence of external environment of soft package battery
The invention discloses an SOC estimation method considering the influence of the external environment of a soft package battery. The method comprises the following steps of: establishing a state equation and obtaining parameters; carrying out a battery capacity calibration experiment, a constant-cu...
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| creator | GAO BEN ZHAO WANZHONG HU BEN ZOU SONGCHUN |
| description | The invention discloses an SOC estimation method considering the influence of the external environment of a soft package battery. The method comprises the following steps of: establishing a state equation and obtaining parameters; carrying out a battery capacity calibration experiment, a constant-current pulse experiment and an urban road driving condition experiment; obtaining a battery capacityunder a single influence factor by utilizing data recorded by the battery capacity calibration experiment, and performing fitting by utilizing the data of the battery capacity calibration experiment to obtain a function equation; obtaining open-circuit voltage values under different conditions by utilizing the data of the constant-current pulse experiment, fitting power functions under different conditions, and then further fitting influence factors by same-order term coefficients; and substituting the obtained corrections of the battery capacity and the battery open-circuit voltages based onthe external environment i |
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The method comprises the following steps of: establishing a state equation and obtaining parameters; carrying out a battery capacity calibration experiment, a constant-current pulse experiment and an urban road driving condition experiment; obtaining a battery capacityunder a single influence factor by utilizing data recorded by the battery capacity calibration experiment, and performing fitting by utilizing the data of the battery capacity calibration experiment to obtain a function equation; obtaining open-circuit voltage values under different conditions by utilizing the data of the constant-current pulse experiment, fitting power functions under different conditions, and then further fitting influence factors by same-order term coefficients; and substituting the obtained corrections of the battery capacity and the battery open-circuit voltages based onthe external environment i</description><language>chi ; eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TESTING</subject><creationdate>2020</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&date=20201027&DB=EPODOC&CC=CN&NR=111830418A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201027&DB=EPODOC&CC=CN&NR=111830418A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GAO BEN</creatorcontrib><creatorcontrib>ZHAO WANZHONG</creatorcontrib><creatorcontrib>HU BEN</creatorcontrib><creatorcontrib>ZOU SONGCHUN</creatorcontrib><title>SOC estimation method considering influence of external environment of soft package battery</title><description>The invention discloses an SOC estimation method considering the influence of the external environment of a soft package battery. 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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | SOC estimation method considering influence of external environment of soft package battery |
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