The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2009
Filed:
Jun. 29, 2007
Yong-jun Tae, Yongin-si, KR;
Soo-seok Choi, Yongin-si, KR;
Young-jo Lee, Yongin-si, KR;
Han-seok Yun, Yongin-si, KR;
Se-wook Seo, Yongin-si, KR;
Gye-jong Lim, Yongin-si, KR;
Beom-gyu Kim, Yongin-si, KR;
Ho-young Park, Yongin-si, KR;
Yong-Jun Tae, Yongin-si, KR;
Soo-Seok Choi, Yongin-si, KR;
Young-Jo Lee, Yongin-si, KR;
Han-Seok Yun, Yongin-si, KR;
Se-Wook Seo, Yongin-si, KR;
Gye-Jong Lim, Yongin-si, KR;
Beom-Gyu Kim, Yongin-si, KR;
Ho-Young Park, Yongin-si, KR;
Samsung SDI Co., Ltd., Suwon-si, KR;
Abstract
The present invention relates to a battery management system and method. In some embodiments the battery management system includes a sensing unit and a micro controller unit (MCU). The sensing unit measures the current, the voltage and the temperature of a battery. The MCU receives the voltages, the currents, and the temperatures, calculates an estimated cell voltage, by applying a pack voltage sensing error and the cell voltage deviation to the cell voltages, and calculates an estimated cell resistance, by adding a pack assembly resistance to an internal resistance of the cell, and calculates an pack output of the battery by using the estimated cell voltage and the estimated cell resistance.
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