Method for compensating for measuring error in detecting current in an energy storing means

The invention relates to a method for compensating for measuring error in detecting the currents in an energy storing means in order to ascertain its charge state. The currents that are drawn from the battery or fed into the battery are measured continuously by means of a current measurement. The me...

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Main Author Rosenberger, Marcus
Format Patent
LanguageEnglish
Published 24.06.2003
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Abstract The invention relates to a method for compensating for measuring error in detecting the currents in an energy storing means in order to ascertain its charge state. The currents that are drawn from the battery or fed into the battery are measured continuously by means of a current measurement. The measured values detected are either integrated or added up over time. The remaining charge in the energy storing means is found on this basis. The invention relates to a method for compensating for the measuring error in detecting current in an energy storing means (), in which the detecting current is effected via a first current converter () and a second current converter () for higher currents, and the converter values (), () of the two current converters (), () are converted in an electronic evaluation unit () into measured values (). The measured values for the battery current I() are measured with both current converters (), () upon reaching a threshold (), and from this the offset () of one current converter () is determined and corrected by the measured values ().
AbstractList The invention relates to a method for compensating for measuring error in detecting the currents in an energy storing means in order to ascertain its charge state. The currents that are drawn from the battery or fed into the battery are measured continuously by means of a current measurement. The measured values detected are either integrated or added up over time. The remaining charge in the energy storing means is found on this basis. The invention relates to a method for compensating for the measuring error in detecting current in an energy storing means (), in which the detecting current is effected via a first current converter () and a second current converter () for higher currents, and the converter values (), () of the two current converters (), () are converted in an electronic evaluation unit () into measured values (). The measured values for the battery current I() are measured with both current converters (), () upon reaching a threshold (), and from this the offset () of one current converter () is determined and corrected by the measured values ().
Author Rosenberger, Marcus
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References Patent Abstracts of Japan vol. 1995, No. 02, Mar. 31, 1995 & JP 06 317636 A, Nov. 15, 1994.
Michalek et al. (5479095) 19951200
Patent Abstracts of Japan vol. 2000, No. 08, Oct. 6, 2000 & JP 2000 137062 A, May 16, 2000.
(43 12 760) 19941000
Langer (5337013) 19940800
Austin et al. (5640081) 19970600
(197 36 602) 19990300
(197 36 602 A 1) 19990300
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Snippet The invention relates to a method for compensating for measuring error in detecting the currents in an energy storing means in order to ascertain its charge...
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Title Method for compensating for measuring error in detecting current in an energy storing means
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